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The Census Bureau packages data and information into easy-to-understand visuals.
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Read briefs and reports from Census Bureau experts.
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Read research analyses from Census Bureau experts.
Developer portal to access services and documentation for the Census Bureau's APIs.
Explore Census Bureau data on your mobile device with interactive tools.
Find a multitude of DVDs, CDs and publications in print by topic.
These external sites provide more data.
Download extraction tools to help you get the in-depth data you need.
Explore Census data with interactive visualizations covering a broad range of topics.
How we provide the best mix of timeliness, relevancy, quality, and cost for the data we collect.
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Explore the rich historical background of an organization with roots almost as old as the nation.
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The Census Bureau's Director writes on how we measure America's people, places and economy.
Find interesting and quirky statistics regarding national celebrations and major events.
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Find media toolkits, advisories, and all the latest Census news.
See what's coming up in releases and reports.
The first Guide to State and Local Census Geography (1990 CPH-I-18) was issued in June 1993 as a joint venture between the US Census Bureau and the Association of Public Data Users (APDU). The book contained an overview of census geography and had information about key geographic concepts for each state as it related to the 1990 Census.
The US Census Bureau updated this publication based on geography for the 2010 Census and is making it available as a web publication. The format of this publication is similar to the 1993 publication in that it has information about the census geography of each state. This edition of the publication includes:
The rankings in the basic information section refer to the 50 states only and exclude the state equivalents of the District of Columbia, Puerto Rico, and the US Island Areas.