It is an artificial representation of a Zip Code laid out for the sole purpose of tabulating Census data. Figure 6 shows the difference between the data sets for two selected variables. shape of ZIP code areas and cut the puzzle with the new cookie cutters. You can narrow down a lot further with the ZIP+4 version, but often times you only have the 5-digit ZIP. ZIP Code Tabulation Area listed as ZCTA Looking for abbreviations of ZCTA? Do this The 2010 ZIP Code Tabulation Area to City/Place relationship data provide a means to equivalence ZCTAs with Census 2010 cities/places. Postal Service. print(p2, position=c(.5,0,1,.33), more=T) Tabulation blocks are assigned to a ZCTA based on the most frequently occurring ZIP Code for the addresses contained within that block. The USPS may not provide five-digit ZIP Code delivery service in this area. zip.demog1$diff.pctblack <- with(zip.demog1, pct.black - zip.pct.black) dat <- extract.columns(dat, "zcta,area.zcta.orig,zip,area.zip.orig,shape.area") These differences can be visualized more clearly by displaying both sets of data on one map (Figure 3). ZIP-Code Tabulation Area (ZCTA) ZIP Code Tabulation Areas are generalized areal representations of United States Postal Service (USPS) ZIP Code service areas. Draw your attention to ZIP 98166 (Figure 1) & ZCTA 98116 (Figure 2) at the northwest corner of the map. Potentially better results can be obtained by aggregating from census block groups to ZIP code areas, because the original block group data contain more spatial variation than do ZCTA data. Below is the crosswalk that is currently being used for data from the 2019 UDS report, patients by ZIP Code table to convert those ZIP Codes to ZCTAs. ZCTA - ZIP Code Tabulation Area. ZCTA ZIP code and USPS ZIP5 code boundaries generally reflect the same boundaries. dat.zcta$zip.numhh <- with(dat.zcta, prop.area.zcta * numhh) About. GPS Global Positioning System; 3W Who, What, Where; DOA Delegation of Authority; GNC Global Navigation Charts; ANVSA Alaska Native Village Statistical Areas; ABE Application Boundaries Enforcer; AC Assembly code; AIS Accelerated Indexing Systems; ABC Absolute Binary Code; AC Agricultural Census; AG Antigua and Barbuda; 2D Data … USPS ZIP Code Crosswalk files are now available for 2010 Census geographies level beginning with the first quarter of 2012. Note on comparing data between “ZIP Codes Postal” and “ZIP Codes ZCTA 2010”: Given that the postal ZIP code is a delivery route and the ZCTA is a geographic area that artificially tries to approximate the postal ZIP code, these two ZIP code types are not precisely comparable. Here’s why: ZCTAs map to US Census data; ZIP Codes don’t. It is an artificial representation of a Zip Code laid out for the sole purpose of tabulating Census data. dat <- sqlFetch(mdb, "zip_zcta", as.is=T) ; Useful fields: From latitude and longitude to household income. source("http://gis.washington.edu/phurvitz/R/functions.R") That list of ZCTAs is passed to a company that specializes in operationalizing surveys. ; Accurate: Aggregated from official sources and precisely geocoded to latitude and longitude. Use a personal geodatabase in ArcGIS. Imagine if you had a jigsaw puzzle with pieces in the shape of ZCTAs made of Simply put, each ZCTA is built by aggregating 2010 Census blocks, whose addresses use a given ZIP Code. ZCTA is a Census Bureau version of ZIP codes used for tabulating Census collected data. ZCTAs are geographic areas defined as sets of Census 2010 census blocks closely resembling USPS ZIP codes (lines, not areas). Note that ZCTA 98057 does not exist. Governmental » US Government. If you have any questions or concerns about this crosswalk, please Contact Us. zip.numhispanic <- sapply(with(dat.zcta, by(zip.numhispanic, zip, sum)), sum) Specifically, look at ZCTAs 98055 (center), 98188 (just west of 98188), and 98031 (south-central). zip.medhhinc <- zip.totalincome/zip.numhh In other cases not as similar as we would like. zip.totalincome <- sapply(with(dat.zcta, by(zip.totalincome, zip, sum)), sum), # combine variables into a data frame dat.zcta$zip.population <- with(dat.zcta, prop.area.zcta * population) Table 2: Numerical Differences between ZCTA and ZIP Code Geographic Base Files in New York State. Simply put, each ZCTA is built by aggregating 2010 Census blocks, whose addresses use a given ZIP Code. zip.numblack <- sapply(with(dat.zcta, by(zip.numblack, zip, sum)), sum) zcta$pct.black <- with(zcta, round(numblack / population * 100, 3)) Download the ZIP Code to ZCTA Crosswalk for the 2019 UDS report data. However, ZCTAs are not exactly the same as ZIP codes. How different are ZIP code areas and ZCTAs? ZCTAs (ZIP Census Tabulation Areas) are what the U.S. Census Bureau is now using as an alternative to ZIP codes as geographic entities for publishing data based on actual ZIP codes. County to Zcta Crosswalk; Documentation. ; Useful fields: From latitude and longitude to household income. 861 5-Digit ZIP Code ANN Business Patterns Zipcode Business Patterns 870 State within Zip Code Tabulation Area (Five-Digit) DEC Summary File 1 871 5-Digit ZCTA (or part) within State DEC Summary File 1 880 ZCTA-State-County DEC Summary File 1 881 State-5-Digit ZCTA (or part) within State-County DEC Summary File 1 Issued May 2020 dat.zcta <- merge(dat, zcta, by.x="zcta", by.y="zcta5", all.x=T, all.y=F), # proportion of ZCTA in this ZIP ZIP code polygons can be constructed by grouping addresses and then circumscribing polygons around addresses with the same ZIP code. ZIP Code Tabulation Areas (ZCTAs) are statistical entities developed by the United States Census Bureau for tabulating summary statistics. This dataset contains model-based ZIP Code tabulation Areas (ZCTA) level estimates for the PLACES project 2020 release in GIS-friendly format. 2.0 Locale codes … ZIP Code tabulation areas (ZCTAs) are approximate area representations of U.S. While there are almost 42,000 ZIP Codes in the United States, there are only 33,000 or so ZCTA’s. "targets": [3], One of the many challenges that social science researchers and practitioners face is the difficulty of relating United States Postal Service (USPS) ZIP codes … The Census ZCTA is not a Zip Code area. The three-digit ZCTA code and an "XX" suffix are applied to a large land area (generally larger than 25 square miles) where we had insufficient information to determine the five-digit codes. After the 2010 decennial census, we are dealing with a new cycle of ZCTAs from the Census Bureau, plus a new way of getting demographic data involving the replacing of Summary File 3 with data based on the new American Community Survey (ACS). Dissolve the intersected ZIP+ZCTA feature class to generate a single statewide clipping feature class. "label": "STATE" },{ "className": "ZIP_TYPE", This package includes a ZIP Code to ZCTA crosswalk table developed by John Snow, Inc. Comprehensive: 41,693 unique zip codes including ZCTA, unique, military, and PO box zips. The Census ZCTA is not a Zip Code area. To get a … Consequently, the relationships that exist between ZCTAs and ZIP Codes can become quite complicated, so that within the boundaries of a single ZCTA there may exist several ZIP Codes; likewise, within the boundaries of a single ZIP Code, there may exist more than one ZCTA. The Census Bureau uses tabulation blocks as the basis for defining each ZCTA. Say census block A is all ZIP code 99001 so their ZCTA is also 99001, and census block B is mostly ZIP code 99002 with a little 99001 so their ZCTA is 99002. The Census Bureau defines ZCTAs by allocating each Census block that contains addresses to a single ZIP Code tabulation area, usually to the ZCTA … About ZIP Codes. ZIP Codes and ZCTAs do not always perfectly align. To assign the patient's PCSA, we used the discharge data to link patient ZIP Codes to ZCTA, employing the method of assigning the ZIP Code to a ZCTA if its geographic centroid was located inside the ZCTA boundary. Each resulting ZCTA is then assigned the most frequently occurring ZIP Code as its ZCTA code.” In a nutshell: ZCTA 78704 is a representative snapshot of ZIP Code 78704. cookie dough. Dissolve ZCTAs (by geometry) to create a statewide feature class circumbscribing the complete coverage of ZCTA areas. This process is quite involved. Discuss these ZCTA abbreviations with the … What does ZCTA stand for? HAVING (((SF3GEO.ZCTA5) Not Like "*HH")) dat.zcta$zip.numblack <- with(dat.zcta, prop.area.zcta * numblack) The USPS makes periodic changes to ZIP Codes to support more efficient mail delivery. Also consider ZIP 98056, which completely contains ZCTA 98056 but also part of ZCTA 98059. The ZCTA delineation process will attempt to assign a 5-digit ZCTA code to areas with no ZIP Code or address data. USPS ZIP Code Crosswalk files are now available for 2010 Census geographies level beginning with the first quarter of 2012. The PLACES project is the expansion of the original 500 Cities project and covers the entire United States—50 states and the District of Columbia (DC)—at county, place, census tract, and ZIP Code tabulation Areas (ZCTA) levels. We created the ZCTAs specifically to address the inadequacies of ZIP Codes for census data tabulation. This is preferable because area is Figure 8: Scatter plots of demographic variables comparing original ZCTA and ZIP code area data re-aggregated from block groups (King County only),