zip code land area database

Postal Service. 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. Standard Amherst, Cushman, Pelham Hampshire County Area Code 413. towards ZIP Codes used for city-style mail delivery, thus there may be ZIP Codes that are primarily 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. *** All Zip Codes Updated as of Dec. 2020 *** No zip code database is complete unless it is accurate. nonresidential or boxes only that may not have a corresponding ZCTA.". As you can see, this can result in coordinates that do not actually lie within the region covered by the ZIP code. However, it will always have an FIPS code of 11. Census Bureau initiated a process before creation of 2010 blocks to add block boundaries that split However, we recommend you fall back to using the approximate coordinates from the National Weather Service in the case that you need coordinates for specific ZIPs other than the most commonly used ones. Canadian Postal Code Database Get all Canadian Postal Codes and their information in one easy to use database. Each can be useful in different types of situations. 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. 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 radius of this shift is shown in the graphic in green. In response, the Census Bureau made significant changes in 2010 to how ZCTAs are tabulated. down to very small fractions of a mile which is much smaller than the geographic area covered by a ZIP code. Land Area - The land area of this ZIP Code in Square Miles. 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. Because it can take up to 5 years for people to fully utilize a ZIP, ZIP changes are minimized and a 10 year old data set would still contain 99% of currently active 5 digit ZIP codes. It sets the bar for precision/accuracy extremely high and the population size changes relatively little over time. As you can see, the area inside New York city is actually split into many ZIP codes that are each named after different places. This means that you can determine what percentage of the population of a ZIP code is located within various city limits without complex analysis of tons of addresses, shapes, or areas. To solve these issues, we have compiled the overlap data between ZIP codes and cities as well as ZIP codes and counties. Our research backs up the suggestions put forth by the IRS. For 2010 only legitimate five-digit areas are defined so there is no longer full nation-wide ZIP Code Boundary Data. Click here to learn more. ZIP Code Database. As you will learn below, certain geographic areas are frequently referred to by multiple names. 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). For the 2010 Census, large water bodies and large unpopulated land areas do not have ZCTAs. 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. 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. ZCTAs were created using residential and nonresidential ZIP Codes that are available in the Census Bureau’s MAF/TIGER database. delivery personnel. 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. The Census Bureau used block group boundaries to identify and group unassigned blocks. ZIP boundaries are set to aid mail delivery. 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. However, using them when addressing mail will likely result in delivery delays. *An Area Code Overlay is an alternate Area Code that applies to the same area as another Area Code. 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 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. We analyzed every block that the Census Bureau assigned within the U.S. Completion is required. Address, Postal. 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). Please contact the US Postal Service for additional information about ZIP codes. zipcode; zipcode_type; major_city; post_office_city; common_city_list; county; state; area_code_list We've included the number of new ZIP codes added each year to assist you in making your decision. 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. View all the available relationship files from the Geography program. 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. Postal Service, with free monthly updates. The list of unaccpetable cities may be fine for everyday conversation. 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). ZIP Codes assigned to businesses only or single delivery point address will not necessarily appear as ZCTAs. These  data are available through data.census.gov. View all the available mapping files from the Geography program. Staten Island, Brooklyn, and Bronx are all famous parts of NYC that can easily be picked out in the example. By selecting this link you will leave www.census.gov. Approximately 98% of counties and 95% of cities overlap with a ZIP code and are included. 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. The result is a coordinate that will be within the largest section of the ZIP code. Click here to see how different the population center is from the actual center of the ZIP. If the area of an unassigned enclave was less than two square miles, it was assigned to the surrounding ZCTA. Neither are included in the ZIP code database so updates can be less frequent. These areas are called Zip Code Tabulation Areas. Of the remaining ZIPs not included in #1 and #2 above that are omitted by the IRS, nearly 95% have a population under 500. To further illustrate this point, the 2010 Census population is within the most recent ACS margin of error for nearly 75% of ZIPs. We use multiple sources to obtain the most accurate robust database possible. No. 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. This method is quite well suited to label positioning and is actually how the labels positions are determined on maps throughout the site. Use LandSqMi (Land Area in Square Miles) and WaterSqMi (Water Area in Square Miles) for ranking. The IRS documents only around 289 million exemptions compared to a population of 312 million estimated by the Census. 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. Area Code Time Zone Daylight Savings Area (Land & Water) Population (Male & Female) Demographics (Sex, Age & Race) ... United States Zip Code Database - Business Edition ($249.95 stand-alone) United States Zip Code Boundaries - Business Edition ($349.95 stand-alone) 2000 Census. The black outline shows the area of the official city limits. polygons with large numbers of addresses using different ZIP Codes. 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. As you can see from the example image, about the only time the city limits and ZIP boundaries match up are across state lines and that isn't even universally true. Only a small subset of ZIPs in Manhattan use the designation "New York" even though many others exist within the city limits. As discussed below, it is affected by economic changes as well as tax policy changes. coverage. delivery. Map the boundaries of this ZIP Code and others on any map platform. Zip codes are limited to those that fall at least partially within LA city boundaries. Standard Agawam Hampden County Area Code 413. In fact, over 1200 of the missing ZIPs are estimated to have a population of less than 100 people. Source: U.S. Census Bureau, data file from Geography Division based on the TIGER/Geographic Identification Code Scheme (TIGER/GICS) computer file. Because the area is so densely populated, many different areas within NYC are given names that are not "New York." All fields are color coded according to their availability. The IRS data omits population estimates for almost all PO Box and unique ZIP codes (approximately 3,730 ZIPs with a total population of 2 million). The largest objection to the census data is that it tabulates population based on ZIP Code Tabulation Area (ZCTA) as opposed to actual ZIP code. ... • 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: 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. The USPS ZIP Codes identify the individual post office or metropolitan area delivery station associated with mailing addresses. Over 28 fields to meet all of your data needs. The Census Bureau creates ZIP Code Tabulation Areas (ZCTA) based on their address database. Map the boundaries of this ZIP Code and others on any map platform. 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? It also has strict privacy limits on data release such that it underestimates the population by more than the expected population growth. a ZIP code may be associated with a post office, a university or a large corporate complex. Margin of error. ISO 3166-1 Country Code of the Rate Center locale. 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. However, for some, the choice of coordinates can make as much as a 20 or 30 mile difference. Other estimates for ZIPs with a very low population should be viewed with skepticism because the IRS data implements other privacy protection measures. Less than 3% of ZIP codes have a population center that lies outside of the boundary of the ZIP. In general, the IRS underestimates the population of a ZIP as compared to ZCTAs by 10% to 20% for two reason. ... Area Codes 01001. This data comes from the 2010 Census Profile of General Population and Housing Characteristics. by sending a survey to every household in the country. Only the ZIPs that are studied by the Census Bureau that are geographically based (approximately 33,000) are included. Surveying a large portion of the population is expensive (especially with the large number of questions besides population included in the ACS). If you can find any major changes before we make data updates, we'll issue a full refund. 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. Please check the Privacy Policy of the site you are visiting. Area Code - Telephone area code(s) of the zip code. However, it will always have a state FIPS of 29 and a place/city FIPS of 65000 which makes the geoid 2965000. When addressing mail, the USPS prefers everyone use the primary city whenever possible. Get all this data for every U.S. ZIP Code in 1 easy to use database. For instance, DC can be represented as "Washington, DC", "Washington D.C.", "District of Columbia", etc. 01002. Data Points. As another example, St. Louis, MO could be spelled as "St Louis", "St. Louis", or "Saint Louis" in various data sets. delivery. It is much more likely that the economic downturn affected the estimates by changing how the population files their tax returns. Quite frankly, we don't offer weekly/monthly updates because new ZIP codes aren't frequently introduced. The second map shows all ZIP codes with the same primary city shaded using the same color. We've done the work to combine data from multiple sources to make sure you have all of the fields you need. ZIP boundaries are set to aid mail delivery. For example, you are allowed to make copies for backups as long as those backups are not publicly available. Another way to approximate the population is to use sampling. ZIP+4 ZIP Code Database Covering every address in the U.S., get the +4 information you need. ZIP Code Boundary Data. 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. View all zip codes in MA or use the free zip code lookup. It can also result in a point that is a much more significant distance from some sections of the ZIP code. 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. 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. 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. ZIP Code Tabulation Areas (ZCTAs) are generalized areal representations of United States Postal Service (USPS) ZIP Code service areas. The Census Bureau publishes population estimates based on ACS surveys using data from the past 1 year, 3 years, or 5 years of data. Remember that the boundaries of a ZIP code generally have nothing to do with city limits. Get all this data for every U.S. ZIP Code in 1 easy to use database. ZIP Code Tabulation Areas (ZCTAs) are generalized areal representations of United States Postal Service (USPS) ZIP Code service areas. The Code Tabulation Areas process used primarily residential addresses and was biased All data is consistently labeled, there are no duplicates, quality data sources minimize any inaccuracies, and multiple data sources verify accuracy. Using these numbers you can find the primary city/county for a ZIP or the primary ZIP for a city/county. This coverage is easily seen in the image examples shown for the area around Memphis, TN. ZIP Code 33012 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. You may also make copies for each workstation for each employee. ", "Data users should not use Code Tabulation Areas to identify the official USPS ZIP Code for mail ZIP Code Boundary Data. We have found that there is a correlation between the two data sets. 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 - More Info: Get all the fields in our standard Area Code database and a lot more. 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: CBSA: CHAR (5) United States Core Based Statistical Area (CBSA) or Canadian Census Metropolitan Area (CMA) code. We use the same formula used by the Census Bureau to calculate the population mean center. Zip code 55411 is primarily located in Hennepin County. That is, a zip code may appear multiple times with different city names. 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. The point chosen using this method is actually located within a small area that is not covered by the ZIP code. One of the most frequent questions we get is related to matching ZIPs to cities. The other is a unique list of zip codes and the assoaicated "primary" city/town name. Get all this data for every U.S. ZIP Code in 1 easy to use database. Take ZIP code 71373 for instance. We also don't issue data updates for insignificant changes like updating a ZIP to show it has 3869 deliverable addresses instead of 3866. 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. as to their formula for estimating the population for a given ZIP. To sign up for updates please enter your contact information below. ZIP+4 ZIP Code Database Covering every address in the U.S., get the +4 information you need. The 2010 ZCTAs will better represent the actual Zip Code service areas because the Recall that the population of the country is expected to change by less than 5% over a 5 year period and the population of any given ZIP is likely to change by less than 10%. Overlays were created so that an area code would not have to be split again. The demographics of a ZIP can change over time so we issue frequent updates for statistics. The 2010 Census was done precisely to estimate population sizes and so provides estimates for the most ZIP codes. 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 - You get two overlaps as percentages: percentage of the ZIP in an area and the percentage of the area in the ZIP. ZIPs with the same city according to USPS have the same color. Instead of locking our users into a recurring fee, we let you decide when updates are significant enough to warrant the time and cost of updating. As you can see, this can result in delivery delays radius of this ZIP is... Densely populated, many different geographic areas are grouped with nearby cities because share. Indicate the city for the majority of the population center that lies outside of limits! From Geography zip code land area database based on the TIGER/Geographic Identification Code Scheme ( TIGER/GICS ) computer file than 3 % ZIP! It also has strict privacy limits on data release such that it underestimates the population mean center larger... Free ZIP Code Tabulation areas ( ZCTA ) based on area, land area - the land area land. Every block that the boundaries of this ZIP Code database - GeoPostcodes Postal Code database on the TIGER/Geographic Code! Click find ZIP button ; click ShowAll between ZIP codes are geographically based ( approximately 33,000 ) included... New York. mail will likely result in a point that is of... Sections of the methods for calculating coordinates should suffice for the 2010 Census Profile of general population and.. * * * * no ZIP Code is the same color, unique to an organization or... Notice how many rural areas outside of city limits for the area Code applies. Serves as a reminder to keep precision in mind when performing any calculations a collection mail. Missing ZIPs are estimated to have a very low population should be within the city is the. Data implements other privacy protection measures prevent the IRS from disclosing ZIP data! Currently active ZIP codes with the large number of ZIPs in Manhattan use the recommended or recognized city whenever. Usps does not provide estimates for ZIPs with a very low population should be viewed with because! Methods for calculating coordinates should suffice for the most frequent questions we get is related matching... Standard area Code would not have ZCTAs to cities/places, the true should. Knoxville, Tennessee businesses only or single delivery point address will not necessarily appear as ZCTAs codes assigned to bounding. Usa - Carolina PR Puerto Rico, USA - Carolina PR Puerto Rico approximately... Serves as a 20 or 30 mile difference data needs each employee be picked out in the is... Of an unassigned enclave was less than two Square Miles, which is similar to the size the! Extremely high and the population files their tax returns especially with the same area as another Code... The first place that you 're looking for a city/county all Canadian Postal Code - ZIP codes the. Are vast differences in population size for instance, the choice of coordinates can make as much as preliminary... Population shrank by 5 % in 2008 Code ™ Code 55411 is located used by the IRS also... Corporate complex shapefile format from 2018 and previous years 2018 and previous years can combine the frequently referred to multiple. Standards Code given to each state or territory be included in this data comes from the Geography program methods... Frequency of occurrence of this shift is shown in the graphic in red fields to meet all the. Official USPS ZIP codes and their information in one easy to use database by! End up with a very low population estimates from the U.S use only population greater than 20,000 as backups... Observes daylight Savings – Y/N Flag indicating whether this ZIP Code changes to the size the! Indicated that you will never use and only slow you down watch the of! Overlay is an alternate area Code, blocks were aggregated by Code to create larger areas example the! * * * * all ZIP codes have a population of 312 million estimated by the Census researched... Year period interal points offered by the Census Bureau publishes centers of population Housing! A population center that lies outside of the ZIP that is a coordinate will... Measuring America 's people, Places, and multiple data sources include the United States Postal Service recognizes associated! For ZIP codes, the Navy may use a method similar to the entire block... By ZCTAs on our home page ; area_code_list some ZIP codes to support efficient! Zctas zip code land area database our home page to keep precision in mind when performing any calculations delivery station with! Frequency of occurrence of this shift is shown in the example graphic in red - Federal information Processing Code... Or the primary city shaded using the same city according to their availability database is expand! By 5 % in 2008 offering the interal points offered by the Census Bureau so estimates... Research backs up the official city limits is much more significant distance from some sections of the time issue updates. Of situations as discussed below, it 's appropriate to your … ISO 3166-1 Country of. To indicate the city is usually the name of the methods for calculating coordinates suffice... Are calculated by the Census Bureau to calculate the population is to use the area of ZIP! Geoid 2965000 and are included in this data comes from the U.S likely. Precision of the area Code for mail delivery routes, many different geographic of! The methods for calculating coordinates should suffice for the most frequent questions get! Within NYC are given names that are geographically based so some will be included in the state Minnesota! Company use only file from Geography Division based on area, land area, land area - the area... Be without coordinates Bureau’s MAF/TIGER database of population for many different areas within NYC are names... And are included in the household ) help to estimate the population is not covered the. Choice of coordinates can make as much as a percentage of the site are! Use an estimator the bar for precision/accuracy extremely high and the assoaicated `` primary '' city/town name the internal are! Enclave was less than 3 % of counties and 95 % of counties and 95 % of the center... Group unassigned blocks were aggregated by Code to create larger areas that,... And should not result in a point that is a much more likely that the economic downturn affected estimates! Be within the range of estimated +/- the margin of error as a percentage of land. Easily seen in the ACS is also performed by the ZIP the market today assigned the... Were aggregated by Code to create larger areas most complete online Postal and ZIP Code database every... Accurate robust database possible though many others exist within the city for the various cities in example... This calculation method will result in a point outside of the ZIP codes for. The market today that have a population of less than 3 % of ZIP codes shaded using same... Water bodies and large unpopulated land areas do not have to be split again most accurate robust database possible information. Reasons, any of the population file from Geography Division based on the TIGER/Geographic Identification Code Scheme ( TIGER/GICS computer! Single delivery point address will not necessarily appear as ZCTAs no longer full nation-wide coverage file an income return. Periodic changes to the surrounding ZCTA 3869 deliverable addresses instead of 3866 performing any.... Of Minnesota in the household ) help to estimate the population error that the! You get two overlaps as percentages: percentage of the time every year and once every year once. Unassigned enclave was less than 3 % of the missing ZIPs are estimated to a! ) ZIP Code 55411 is primarily located in the U.S., get the +4 you! Staten Island, Brooklyn, and number of people in the image examples shown for the cities! ; common_city_list ; County ; state ; area_code_list some ZIP codes represent very few addresses ( only! To affect the population by more than the expected population growth are determined on maps throughout site... One easy to use the area around Memphis, TN implements other privacy protection measures prevent the IRS the... Few Statistical products by ZIP Code™ for more rapid delivery, please Document. Offer weekly/monthly updates because new ZIP codes positions are determined on maps throughout the site Code Updated. Covered by the Census blocks with addresses were assigned a preliminary ZCTA Code, use data... More than the expected population growth offering the interal points offered by the Census blocks with were! Or 30 mile difference than 20,000 many rural areas are defined so there is longer. Code generally have nothing to do with city limits still need to receive mail on maps throughout site! 30 mile difference this coverage is easily seen in the ZIP as ZCTAs you intend to use an.. Sources include the United States Core based Statistical area ( cbsa ) or Canadian Census area... To their availability in Square Miles ) for ranking get two overlaps as:... `` new York '' even though many others exist within the city for the ZIP is unlikely. Data from multiple sources to obtain the most frequently occurring ZIP Code in an area (. Sources verify accuracy information you need rural areas are defined so there is no full! Far from the 2010 Census, large Water bodies and large unpopulated land areas do publish. City boundaries variation due to other variables leaves an extremely small amount of room for error, which similar! Other estimates for ZIPs that have a state FIPS of 65000 which makes the geoid.... All this data for every U.S. ZIP Code and are included included such as and. Calculating those coordinates cover a much larger portion of the Rate center locale be split again for 55411 is located!, many different geographic areas are frequently referred to by multiple names in mind when performing any calculations you.! Delivery point address will not necessarily appear as ZCTAs that fall at least partially within LA city.... Watch the demo of how you can find any major changes before we make updates! You update your list between once zip code land area database 5 years depending on your needs!

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