You are simplifying a complex shape/polygon into a single point. Use LandSqMi (Land Area in Square Miles) and WaterSqMi (Water Area in Square Miles) for ranking. Click here to see the population center of 81650 which is another good example of where the population center is far from the center of the area. Because all of the coordinate calculation methods other than the National Weather Service data rely on Census data, those coordinates are only available for the ZIP codes included by the Census Bureau. However, for some, the choice of coordinates can make as much as a 20 or 30 mile difference. The answers (such as the number of people in the household) help to estimate the population as a whole. Notice how many rural areas are grouped with nearby cities because they share delivery resources. ZIP Code Tabulation Areas (ZCTAs) are generalized areal representations of United States Postal Service (USPS) ZIP Code service areas. As you can see from the image where this method is shown in black, this may be significantly different from the other two calculation methods. Overlays were created so that an area code would not have to be split again. They use a method similar to the bounding box method. The term ZCTA was created to differentiate between this entity and true USPS ZIP Codes.  ZCTA is a trademark of the U.S. Census Bureau; ZIP Code is a trademark of the U.S. All data is consistently labeled, there are no duplicates, quality data sources minimize any inaccuracies, and multiple data sources verify accuracy. As confirmed by the Internal Revenue Service (IRS), the number of tax returns filed for a ZIP code can be used to approximate the number of households and the number of exemptions can be used to approximate the population. To get those huge savings, only a small percentage of the population is surveyed which leaves us with a range the population likely falls within instead of a precise number. Next, the most frequently occurring ZIP Code within each block was assigned to the entire census block as a preliminary ZCTA code. The Census Bureau publishes population estimates based on ACS surveys using data from the past 1 year, 3 years, or 5 years of data. ZIPs with the same city according to USPS have the same color. However, should a coordinate lie outside of the ZIP, as it does in the ZIP pictured, the coordinates will be shifted to the nearest internal point or internal point within We do offer a few statistical products by ZIP Code through our economic surveys. by sending a survey to every household in the country. ZIP Code 33012 Data. The point chosen using this method is actually located within a small area that is not covered by the ZIP code. DayLight Savings – Y/N Flag indicating whether this ZIP Code observes daylight savings. Including data from more years increases the sample size to improve the precision of the estimate at the cost of using less recent data. If you are comparing to other data sets with these identifiers, these identifiers avoid complications that arise from matching to cities/counties that are frequently spelled differently. Take ZIP code 71373 for instance. Watch the demo of how you can combine the. You get two overlaps as percentages: percentage of the ZIP in an area and the percentage of the area in the ZIP. As you will learn below, certain geographic areas are frequently referred to by multiple names. You must purchase a license to download and use the data, the same formula used by the Census Bureau, County with the largest percentage of the ZIP population, From the National Weather Service, precise to approximately 1 mile radius, Point centered within largest section of ZIP code, Point closest to the geographic center that remains inside the ZIP, The min latitude to determine ZIP code bounding box, The max latitude to determine ZIP code bounding box, The min longitude to determine ZIP code bounding box, The max longitude to determine ZIP code bounding box, Land area in square meters (divide by 2,589,988.110336 for square miles), Water area in square meters (divide by 2,589,988.110336 for square miles), Estimated households using IRS data (number of returns), Estimated households using Census Bureau's American Community Survey data. Update when you want. There is inherently some loss in precision. As you can see, the area inside New York city is actually split into many ZIP codes that are each named after different places. Download zipcodes listing by countries. So, ZIP codes cover a much larger portion of the land area in the US than city limits. Such zip codes are not areas and therefore are not represented by ZCTAs. ZIP Code Tabulation Areas (ZCTAs) are generalized areal representations of United States Postal Service (USPS) ZIP Code service areas. While 289 million exemptions are reported when examining state level data that is not subject to privacy protection, only 277 million are reported after privacy protection eliminates some data. Completion is required. delivery. Please check the Privacy Policy of the site you are visiting. ZIP boundaries are set to aid mail delivery. CBSA: CHAR (5) United States Core Based Statistical Area (CBSA) or Canadian Census Metropolitan Area (CMA) code. The official US Postal Service name for 55411 is MINNEAPOLIS, Minnesota. The 2010 Census was done precisely to estimate population sizes and so provides estimates for the most ZIP codes. One of the most frequent questions we get is related to matching ZIPs to cities. In fact, over 1200 of the missing ZIPs are estimated to have a population of less than 100 people. Columns LandSqMt (Land Area in Square Meters) and WaterSqMt (Water Area in Square Meters) are shown as text/character fields, left-justified, not intended for ranking use. Postal code (known in various countries as a post code , postcode , or ZIP code is a series of letters and/or digits appended to a postal address for the purpose of sorting mail. Futher, USPS does not always use the name of the incorporated city in which the ZIP code is located. View the cartographic boundary files in shapefile format from 2018 and previous years. These unassigned blocks were merged into an adjacent ZCTA based on the length of shared boundary. Keep in mind that there may be multiple rows in the data set for a single ZIP - for instance when a ZIP overlaps 2 counties, there will be two rows for that ZIP. *An Area Code Overlay is an alternate Area Code that applies to the same area as another Area Code. ZCTAs were created using residential and nonresidential ZIP Codes that are available in the Census Bureau’s MAF/TIGER database. To protect privacy, the IRS also omits population estimates for ZIPs with less than 100 returns (approximately 1,500 ZIPs with a population of less than 400,000). Are all zip codes ZCTAs (Zip Code Tabulation Areas)? As you can see from the graph, the margin of error is 10% or more for over half of the ZIP codes - which is higher than the estimated population change. Neither are included in the ZIP code database so updates can be less frequent. We have included the margin of error with the ACS estimates so that those looking to create their own estimate can make their own judgement calls To solve these issues, we have compiled the overlap data between ZIP codes and cities as well as ZIP codes and counties. Much like the land area, there are vast differences in population size. For instance, the example has a point that is very far from the south west portion of the ZIP. Each can be useful in different types of situations. For example, the Navy may use a ZIP for several aircraft carriers. As you can see, the lack of precision due to rounding to two decimal places is insignificant when compared to the reduction in precision caused by reducing a complex shape to a single point. Zip code 55411 is primarily located in Hennepin County. ZIP Code Boundary Data. Time Zone - Federal Information Processing Standards code given to each state or territory. Estimated population using IRS data (number of exemptions), Estimated population using Census Bureau's American Community Survey data, Percent of the population living below the poverty level, Median individual earnings within past year, For renters, median gross rent paid per month, Percent of population with at least a high school diploma, Percent of population with at least a bachelors degree, Percent of population with a graduate degree, Easily opened in Excel or imported into a database, Premium, enterprise quality zip code list, Cities, coordinates, demographics, and more. Postal Service. The Census Bureau researched 33,120 of the approximately 42,000 currently active ZIP codes. Canadian Postal Code Database Get all Canadian Postal Codes and their information in one easy to use database. "There are significant changes to the 2010 Code Tabulation Areas delineation from that used in Postal Codes database is the most complete online postal and zip code database on the internet. However, as an estimator, it isn't perfect. Remember that a ZIP code often covers a large geographic area and that very precise latitude and longitude coordinates may be precise down to a very small radius - polygons with large numbers of addresses using different ZIP Codes. Area Code Database: Deluxe Database: Database of all U.S. area codes (NPA NXX) and their related information. ZIP+4 ZIP Code Database Covering every address in the U.S., get the +4 information you need. As discussed below, it is affected by economic changes as well as tax policy changes. If you can find any major changes before we make data updates, we'll issue a full refund. Realize that the population center of a ZIP code may actually lie outside the boundary of the ZIP code just as the bounding box coordinates do. Another way to approximate the population is to use sampling. *** All Zip Codes Updated as of Dec. 2020 *** No zip code database is complete unless it is accurate. When working with any coordinates of ZIP codes, there are two key points to remember: Please take the above into consideration when choosing which set of coordinates to use. Map the boundaries of this ZIP Code and others on any map platform. Remember that the boundaries of a ZIP code generally have nothing to do with city limits. Address, Postal. To further illustrate this point, the 2010 Census population is within the most recent ACS margin of error for nearly 75% of ZIPs. International zip code database. more than most of our competitors that only provide coordinates calculated by the Census Bureau. Think of it this way: if the postal carrier is driving down a road delivering mail and happens to cross the city limits, it makes little sense to have them stop delivering for the rest of the houses on the street simply because the city limits changed. Land Area and Persons Per Square Mile. The ACS is also performed by the Census Bureau so it has approximately the same coverage. Changing the latitude or longitude coordinate by a single hundredth of a decimal place results in a shift of approximately 1 mile in any direction. This method is quite well suited to label positioning and is actually how the labels positions are determined on maps throughout the site. Instead of spending $13 billion to survey the entire country, the Census Bureau spends around $250 million to send the American Community Survey (ACS) to part of the country. ZIP Code: ZIP Code (United States) (five digits) ZIP Code Population: Approximate population of the ZIP code. While other competitors that offer a free download with IRS data have suggested using the formula of "returns + joint returns + dependents" to estimate population size, the IRS suggests using the number of exemptions. Instead, they'll keep delivering along the street to the next intersection or some other boundary that makes more sense to allocating their available resources, i.e. Get all this data for every U.S. ZIP Code in 1 easy to use database. Area Code - Telephone area code(s) of the zip code. And API in 0.2.X NOT COMPATIBLE with 0.1.X, please read Document for more information.. Our research backs up the suggestions put forth by the IRS. The census conducted every 10 years by the Census Bureau is the only population estimate that makes an attempt to count every member of the population AEI-adjusted residential land price and land share indicators at the census tract, ZIP code, county, and metro level are available for much of the US. Even so, the ACS only samples approximately 10% of the population over a 5 year period. Generally, USPS determines a mail route that best suites their needs, they assign a ZIP to that area, and they name the "city" of the ZIP after the post office(s) in that ZIP. For those diving deeper into population estimates, we have examined whether the IRS and ACS estimates show the same relative change in population over various periods of time. However, USPS uses those names to indicate the city for the ZIP codes located in those areas. Geography/TIGER or American FactFinder.. For the Census 2000 ZCTAs the Census Bureau created ZCTAs that ended in "XX" to represent large areas of land without ZIP Codes or "HH" to represent large areas of water without ZIP Codes. It also has strict privacy limits on data release such that it underestimates the population by more than the expected population growth. This unique Area Code by ZIP Code database includes area code splits and overlays*. In most instances the ZCTA code is the same as the ZIP Code for an area. Many ZIPs cross state boundaries. The demographics of a ZIP can change over time so we issue frequent updates for statistics. As another example, St. Louis, MO could be spelled as "St Louis", "St. Louis", or "Saint Louis" in various data sets. As discussed in their analysis, the population mean center is frequently preferred over the population median center because it responds to more slight changes in population. overlap spreadsheets that show overlap with city limits and ZIPs that cross city/county limits are only available in the enterprise version. The full U.S. population is not represented because many individuals are not required to file an income tax return. You may not make the data set publicly available for download over the internet or distribute the complete data set as part of an application provided to customers. Please contact the US Postal Service for additional information about ZIP codes. The graph below shows the number of ZIPs by the margin of error as a percentage of the population. The radius of this shift is shown in the graphic in green. If it's appropriate to your … The area served by the NANP is divided into smaller Numbering Plan Areas (NPAs), each identified by a three-digit NPA code, commonly called an area code. Margin of error. We've been providing data to our clients for years and over 225,000 different individuals, organizations, and corporations of all sizes have trusted us to provide them with the high quality data that they need. If you have already submitted payment for a commercial version or filled out the questionnaire for the free version, you can look up your download links by entering your email address. As you can see, this can result in coordinates that do not actually lie within the region covered by the ZIP code. as to their formula for estimating the population for a given ZIP. While the Census Bureau publishes centers of population for many different geographic areas of the country (ex. Some addresses will end up with a ZCTA code different from their ZIP Code. ZIP Code 54548 Data. We go beyond just offering the interal points offered by the Census Bureau and competitors by providing more precise methods of calculating those coordinates. coverage. The second map shows all ZIP codes with the same primary city shaded using the same color. The city is usually the name of the main post office. This method is shown in the example graphic in red. ... Area Codes 01001. The Census Bureau creates ZIP Code Tabulation Areas (ZCTA) based on their address database. 01003. The polygon/shape that represents the ZIP code is repeatedly reduced in size until only a single point remains. Data Points. In creating ZCTAs, the Census Bureau took the most frequently occurring ZIP Code in an area for the ZCTA code. The image example of New York, NY illustrates this point. The list of unaccpetable cities may be fine for everyday conversation. OLSON: VARCHAR (128) Internet Assigned Numbers Authority (IANA) time zone database time zone identifier or time zone name for the Rate Center geographic location. Land area updated every 10 years. Over half of residents filed their tax return using a new ZIP code the first year it was introduced, but it can take up to 5 years for a ZIP to become fully active. Standard Amherst, Cushman, Pelham Hampshire County Area Code 413. Map the boundaries of this ZIP Code and others on any map platform. To sign up for updates please enter your contact information below. Less than 3% of ZIP codes have a population center that lies outside of the boundary of the ZIP. ISO 3166-1 Country Code of the Rate Center locale. This is the Area Code Database website, including more than 1,000,000+ items of Areacode, Country, City, County, State, ZIP Code, Latitude, Longitude etc. Zip Code Freq. The first issue with the accuracy of the IRS estimates is that their are using exemptions as an estimator for populations as opposed to directly trying to calculate population size. It is much more likely that the economic downturn affected the estimates by changing how the population files their tax returns. The internal points are calculated by the Census Bureau. The Code Tabulation Areas process used primarily residential addresses and was biased Another method for calculating the ZIP coordinates involves complex shape analysis of the polygon that represents the ZIP code called polygon offsetting or polygon buffering. After all of the census blocks with addresses were assigned a preliminary ZCTA code, blocks were aggregated by code to create larger areas. Surveying a large portion of the population is expensive (especially with the large number of questions besides population included in the ACS). One with multiple city/town names that the Postal Service recognizes as associated with each zip code. Land area is based on current information in the TIGER� data base … Measuring America's People, Places, and Economy. When matching to cities/places, the data file also contains a row for the portion of the ZIP that is outside of city limits. As a result, the USPS may refer to an area by a name which may be inside an incorporated city's city limits that uses another name and still have other names that are used in common conversation. View all zip codes in MA or use the free zip code lookup. In response, the Census Bureau made significant changes in 2010 to how ZCTAs are tabulated. For instance, DC can be represented as "Washington, DC", "Washington D.C.", "District of Columbia", etc. View all the available relationship files from the Geography program. The max longitude to determine ZIP code bounding box: area_land: Land area in square meters (divide by 2,589,988.110336 for square miles) area_water: Some ZIP Codes represent very few addresses (sometimes only one) and therefore will not appear in the ZCTA universe. Statistical data for ZCTAs are available from: This new platform on data.census.gov is based on overwhelming feedback to streamline the way you get data and digital content from Census Bureau. PIN codes list. When addressing mail, the USPS prefers everyone use the primary city whenever possible. For 2010 only legitimate five-digit areas are defined so there is no longer full nation-wide Canadian Postal Code Database Get all Canadian Postal Codes and their information in one easy to use database. ", "Data users should not use Code Tabulation Areas to identify the official USPS ZIP Code for mail We use multiple sources to obtain the most accurate robust database possible. Using these numbers you can find the primary city/county for a ZIP or the primary ZIP for a city/county. Cities by ZIP Code™ For more rapid delivery, please use the recommended or recognized city names whenever possible for this ZIP Code ™. As you can see most ZIPs omitted from the IRS data also have low population estimates from the Census Bureau. For instance, economic changes or changes in tax policy are likely to affect the population estimates. The IRS does not provide estimates for Puerto Rico (approximately 125 ZIPs with a total population of 3.7 million). Even so, when evaluating how often you want to update your data, keep in mind that many pieces of information about a ZIP code can be updated over time. LAND O LAKES,WI, ZIP Code 54540 - Database - LAND O LAKES Wisconsin WI Map. You may also make copies for each workstation for each employee. We list the overlap based on area, land area, population, and number of households to suit various use cases. We have found that there is a correlation between the two data sets. More Info: Get all the fields in our standard Area Code database and a lot more. None of them are actually an incorporated city. Only a small subset of ZIPs in Manhattan use the designation "New York" even though many others exist within the city limits. Using the number of exemptions as a population estimate results in a root mean square error (RMSE) of 2489 while the alternative formula results in an RMSE of 2545 (lower is better). Many of these coordinates have been hand chosen. You have indicated that you intend to use the data for a commercial purpose. Not all ZIP codes are geographically based so some will be without coordinates. Percent frequency of occurrence of this Zip Code in the NPANXX area. We only issue updates for significant changes, 41,968 active and 664 decommissioned ZIP codes, Military place names: MPSA Election Ballot, Time zone, area codes, and country: Yahoo, Counties: Calculated using data from the Census (2010), Approximate latitude/longitude: National Weather Service, Other coordinates: Calculated using data from the Census (2010), Estimated population: IRS (2005-2015), ACS (2011-2016), Population, housing units, demographics: Census (2010), Income, real estate, and education: Census ACS (2013). Quite frankly, we don't offer weekly/monthly updates because new ZIP codes aren't frequently introduced. For quick information about a specific area code, use the area code search. Map the boundaries of this ZIP Code and others on any map platform. By selecting this link you will leave www.census.gov. Standard Agawam Hampden County Area Code 413. However, using them when addressing mail will likely result in delivery delays. In other words, we asked this question: if the IRS estimates that the population of a ZIP increased over a certain period of time, does the ACS data also indicate a population increase? Click here to learn more. Understanding Geographic Identifiers (GEOIDs), Survey of Income and Program Participation (SIPP), ZIP Code Tabulation Areas (ZCTAs) Delineation Animation, Cover the full extent of the nation - "wall-to-wall" coverage, "XX" suffix used to represent large land areas such as national parks, "HH" suffix used to represent large water bodies, Includes the U.S., Puerto Rico, and the Island Areas, Do not cover the full extent of the nation - "holes" exist, "XX" retired - Large land areas such as national parks do not have ZCTA coverage, "HH" retired - Large water bodies do not have ZCTA coverage, 2007 - 2011 American Community Survey 5-year estimates and later. Acceptable cities are recognized by the USPS and should not result in delivery delays. 2010 Census Populations by Zip Code Metadata Updated: December 2, 2020. The reason in the first place that you're looking for a zip code database is to expand your business presence. The easiest way to think about this is that it is difficult to provide an estimate with only a 5%-10% margin of error based on only surveying 10% of the population. Canadian Postal Code Database Get all Canadian Postal Codes and their information in one easy to use database. It sets the bar for precision/accuracy extremely high and the population size changes relatively little over time. Staten Island, Brooklyn, and Bronx are all famous parts of NYC that can easily be picked out in the example. ZIP+4 ZIP Code Database Covering every address in the U.S., get the +4 information you need. This data comes from the 2010 Census Profile of General Population and Housing Characteristics. The Census Bureau assigned blocks that contained addresses, but did not have a single most frequently occurring ZIP Code to the ZCTA with which the blocks had the longest shared boundary. The Census Bureau first examined all of the addresses within each census block to define the list of ZIP Codes by block. The Census Bureau used block group boundaries to identify and group unassigned blocks. However, we realize that there are many other uses for this data set so we have included lists of other cities that are recognized by USPS. You can also find the area code for a city or town with population greater than 20,000. It can also result in a point that is a much more significant distance from some sections of the ZIP code. Some zip codes are for PO boxes only, unique to an organization, or used by the military. ZIP Code Boundary Data. However, you may use on public networks such as the internet if used within a lookup application such as a "nearest store lookup" where the data set is not distributed to end users. Land Area - The land area of this ZIP Code in Square Miles. We analyzed every block that the Census Bureau assigned within the U.S. ZIP+4 ZIP Code Database Covering every address in the U.S., get the +4 information you need. Share: ... Download the ZIP Code Database. Key in ZIP code then click Find ZIP button; click ShowAll between ZIP queries. ... • Area Code Database • Historical Zip Codes • FREE Radius Application • FREE Store Locator • FREE Mobile App ... Land Area: 3.464 sq mi: 113th Congressional District: 113th Congressional Land Area: Postal Service, with free monthly updates. ZIP boundaries are set to aid mail delivery. So, by choosing the ACS estimates over the Census, the population estimate would improve for 25% of ZIPs while becoming less accurate for nearly 75%. View all the available mapping files from the Geography program. IP2Location™ LITE IP-COUNTRY-REGION-CITY-LATITUDE-LONGITUDE-ZIPCODE Database provides a solution to determine the country, region or state, city, latitude, longitude, and ZIP code of origin for any IP address in a few simple steps. Buy postcodes of the world. Over a 5 year period, the U.S. population is only expected to grow by 3.9% and an individual ZIP code is likely to vary be less than 10%. The approximate latitude and longitude coordinates from the National Weather Service that are rounded to 2 decimal places should be sufficient for many use cases. It is highly unlikely that the population shrank by 5% in 2008. Only the ZIPs that are studied by the Census Bureau that are geographically based (approximately 33,000) are included. Other estimates for ZIPs with a very low population should be viewed with skepticism because the IRS data implements other privacy protection measures. All fields are color coded according to their availability. Source: U.S. Census Bureau, Census of Population and Housing. We recommend you update your list between once every year and once every 5 years depending on your data needs. The assignment of cities to ZIP codes is more general. While that may seem like a large discrepancy, you can see from the chart that over 93% of those ZIPs without Census data are for single buildings or military usage where an approximation is more than adequate. Source: U.S. Census Bureau, data file from Geography Division based on the TIGER/Geographic Identification Code Scheme (TIGER/GICS) computer file. ZIP Code Database. We don't just tell you about the quality, we show you the results of our verification and research (see below) and make sure you can quickly understand the most accurate ways to use the data we provide. Remember that people in rural areas outside of city limits still need to receive mail. USPS ZIP Codes are not areal features but a collection of mail delivery routes. To avoid overcrowding, only a few labels are shown. 2000. They are used to deliver mail. In general, the IRS underestimates the population of a ZIP as compared to ZCTAs by 10% to 20% for two reason. We constantly monitor USPS data for major changes and release new data when there are significant changes. For example, you are allowed to make copies for backups as long as those backups are not publicly available. ZIP Codes assigned to businesses only or single delivery point address will not necessarily appear as ZCTAs. The most simple method is to use the formula for a rectangle that uses (latitude_min + latitude_max) / 2 for the latitude coordinate. ZIP Code 40211 Data. Because it is only an estimator, it is still subject to variation due to other variables. The approximate coordinates that are a combination of hand-picked coordinates and those from the National Weather Service (NWS) cover over 98% of all active and decomissioned ZIP codes - Some ZIP codes are points e.g. We include the estimates based on the past 5 years worth of surveys because they are based on the largest sample to provide the most precise estimates. However, it will always have a state FIPS of 29 and a place/city FIPS of 65000 which makes the geoid 2965000. For these reasons, any of the methods for calculating coordinates should suffice for the majority of the population. Reason in the NPANXX area a ZIP Code database - GeoPostcodes Postal database! One map shows the color coded according to their availability sets the bar for precision/accuracy extremely high and the of. Between once every 5 years depending on your data needs codes are geographically based so some will included... Code, blocks were merged into an adjacent ZCTA based on the TIGER/Geographic Code. 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Map shows the number of questions besides population included in the Minneapolis - Saint Paul metro.! For major changes and release new data when there are significant changes in tax policy are likely to affect population! Map the boundaries of a ZIP Code Metadata Updated: December 2, 2020 few Miles to! Expand your business presence two overlaps as percentages: percentage of the ZIPs... Can change over time so we issue frequent updates for statistics with mailing addresses the cartographic boundary files in format. ) and therefore will not necessarily appear as ZCTAs same coverage delivery station associated with each ZIP Code 1... We go beyond just offering the interal points offered by the ZIP in an area is also performed the... Changes before we make data updates, we 'll issue a full refund population Housing.