What county is my address in?
Find the county for any address without typing it anywhere: use your location at the address, or a dropped pin's coordinates.
Updated · Data: U.S. Census Bureau
Find your county from your device's location. Works on phones and computers.
Your location stays on your device. County lines are downloaded and checked in your browser.
Type any 5-digit ZIP code, including PO box ZIPs, to see its county or every county it touches.
Type a city or town and its state. Works for 15,677 places with 1,000 or more people.
Enter latitude and longitude in decimal degrees, as shown by your phone or a map app.
Tip: paste "29.7604, -95.3698" into the first box and it fills both.
- Private: runs on your device
- Free
- Official Census data
- All 50 states + DC
- No signup
Three private ways to find the county of an address
- At the address: press Use my current location above. Your device position is checked against Census county lines in your browser.
- Somewhere else: drop a pin on the address in your map app, copy its latitude and longitude, and paste them into the Coordinates tab. The result shows the county and the distance to the nearest county line.
- A first answer: type the ZIP code or city. If it sits in one county, you are done; if it crosses a county line, use one of the two methods above.
Why we don't ask for your street address
Turning a typed address into a point requires sending it to a geocoding service. CountyFinder never sends what you type or where you are to anyone, so the lookup works from a location or coordinates instead.
When you need an official answer
For property tax, voting or legal forms, confirm the county with the county's own records: how to confirm your county. Near a county line, read county lines and your address.
Sources: Census TIGER/Line 2024 county boundaries. Data as of November 1, 2026. Not affiliated with any government agency.
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