About US County Area

County size, with context.

A focused reference for understanding how much land and water is in a U.S. county.

US County Area is an independent project operated by US County Area. We turn the Census Bureau’s county Gazetteer into accessible pages, rankings, comparisons, and downloadable data. Questions and corrections go to corrections@uscountyarea.com.

What we add

A source file is useful for analysis but awkward for a quick lookup. US County Area connects each record to state and national rankings, unit conversions, water percentages, a generalized county outline, and comparisons with other counties. Every county page links back to its source and includes a citation you can reuse.

Editorial standards

Corrections and maintenance

Report a discrepancy with the county’s GEOID, affected page, field, and source link. Data updates are checked for missing or duplicate identifiers, invalid measurements, ranking consistency, map coverage, and broken routes. Interactive search and comparison flows are tested in a browser.

Independence and funding

US County Area is not a government website and is not affiliated with or endorsed by the U.S. Census Bureau. The site is currently available without display advertising.

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