Use the databases below to search cities / counties.

NW
County Information
Official Free
County government information from the National Association of Counties (NACO).
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NW
Find a County by City Name
Official Free
Probably one of the most useful databases we've found. Search by city name and state to find the corresponding county name.
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NW
NACo | County Explorer
Official Free
Interactive county data from the National Association of Counties covering all 3,069 U.S. counties.
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NW
U.S. Census Bureau | Data
Official Free
Search Census Bureau data for any city, county, or state including population, demographics, and economic data.
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NW
USAGov | State, Local, and Tribal Governments
Official Free
Official federal directory of state, local, and tribal government websites.
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Frequently Asked Questions

Start with the primary database listed above. Each system is specialized — use the Returns vs Excludes table to identify which one matches your needs.
Federal databases only cover federal-level data. If you need state or county records, go to the specific state page. Federal and state systems are completely separate.
No. Each federal agency maintains its own system independently. You must search the specific agency that handles the record type you need.
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