How to Search Cities / Counties (Start Here)
Use the databases below to search cities / counties. These are federal and nationwide sources. For state or county-level records, go to the specific state page.
⚠ Federal databases only cover federal-level data. State and county records require separate searches at the appropriate level.
SearchSystems.net has tracked federal record systems since 1997.
Use the databases below to search cities / counties.
County Information
Official Free
County government information from the National Association of Counties (NACO).
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.
NACo | County Explorer
Official Free
Interactive county data from the National Association of Counties covering all 3,069 U.S. counties.
U.S. Census Bureau | Data
Official Free
Search Census Bureau data for any city, county, or state including population, demographics, and economic data.
USAGov | State, Local, and Tribal Governments
Official Free
Official federal directory of state, local, and tribal government websites.
Frequently Asked Questions
What is the fastest way to search cities / counties?▼
Start with the primary database listed above. Each system is specialized - use the Returns vs Excludes table to identify which one matches your needs.
Why does my search return no results?▼
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.
Is there a single database for all these records?▼
No. Each federal agency maintains its own system independently. You must search the specific agency that handles the record type you need.
Other Federal Databases
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