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Individual USPS ZIP codes can cross state, place, county, census tract, census block group and census block boundaries, so the Census Bureau asserts that "there is no correlation between ZIP codes and Census Bureau geography". [2] Moreover, the USPS frequently realigns, merges, or splits ZIP codes to meet changing needs.
It is the smallest geographical unit for which the bureau publishes sample data, i.e. data which is only collected from a fraction of all households. Typically, Block Groups have a population of 600 to 3,000 people. Every Census Block Group has a unique 12-digit FIPS code. The Block Group's unique identifier is the 12th digit of the FIPS Code.
A census block is the smallest geographic unit used by the United States Census Bureau for tabulation of 100-percent data (data collected from all houses, rather than a sample of houses). The number of blocks in the United States , including Puerto Rico and other island areas, for the 2020 Census was 8,180,866.
Download QR code; In other projects ... 2016-2020 Swing by Census Block Group(California) using 2010 Census Block Groups. Date: 20 January 2023: ... 16:14, 20 January ...
The TIGER files do not contain the census demographic data, but merely the geospatial/map data. GIS can be used to merge census demographics or other data sources with the TIGER files to create maps and conduct analysis. TIGER data is available without cost because U.S. Government publications are required to be released into the public domain.
For the 1940 Census, the Census Bureau began publishing census block data for all cities with 50,000 or more people. Census block numbers were assigned, where possible, by census tract, but for those cities that had not yet delineated census tracts, ‘‘block areas’’ (called ‘‘block numbering areas’’ [BNAs] in later censuses) were ...
This template is used as an information box on pages, showing each census year with a population, and a percent gain/loss comparison. Also includes functionality for a custom title/footer for the infobox, easy-to-insert citations for each census year, and population estimates for a single non-census year (with an easy-to-insert citation thing for this as well). Template parameters [Edit ...
Census data; economy; county government finance; human services; etc. Washington State GIS Data: A list of data sources at University of Washington Libraries. Geomorphological Research Group: Data from the University of Washington. WSDOT Geodata Distribution Catalog: Datasets from the Washington State Department of Transportation.