Don's Tools · World · US County Finder

US county finder

Type a city name to find which county it's in. Add a state to narrow it down. Essential for legal forms and government documents.

Type a city name above - optionally add a state to narrow results
Why counties matter in the US: county names appear on birth certificates, marriage licences, property deeds, court filings, tax forms and many government documents.

Files are processed in your browser and never uploaded.

How to use US county finder

  1. Type your search

    Enter what you are looking for in the search box. Matches appear as you type.

  2. Read the answer

    Results are looked up from data already loaded with the page, so there is no waiting and no request to a server.

  3. Start over any time

    Nothing is saved on a server, so reloading the page clears everything.

What this tool does

City to county, instantly

Type a city or town name and it tells you which county it sits in, which is the field legal and government forms always ask for.

Narrow it down by state

Plenty of city names repeat across the country, so adding the state resolves a Springfield or a Columbus to the right one.

Runs fully in your browser with no upload and no sign-up

The lookup table is held in the page, so nothing you type is uploaded and it works with no connection.

Frequently asked questions

Why does my city show up in multiple states?

Many city names are shared across states - there are 34 places named "Springfield" in the US alone. Type the state abbreviation or name alongside the city to get the right result.

What is a county-equivalent?

Louisiana uses "parishes" instead of counties. Alaska uses "boroughs" and "census areas." Washington D.C. is a federal district. Virginia has independent cities not part of any county. This tool labels all of them correctly.

Why do I need a county for a form?

Many US legal and government documents - property deeds, marriage licences, probate filings, court documents, tax assessor forms, voter registration, and more - require the county name because jurisdiction and record-keeping in the US is organised at county level.

Is my data uploaded anywhere?

No. The city-to-county database is built into this page. Everything runs offline in your browser and nothing is sent to a server.

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