What county am I in?
Tap the button and we’ll tell you which county you’re in, with the state and city, and draw the county line on the map.
County · example
Looking it up…
Other ways to pick the spot
Or tap anywhere on the map.
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Why your county matters
Your county decides a lot of everyday things: where you register to vote and serve jury duty, which sheriff and courts cover you, property and sales tax rates, building permits, and where to get a marriage license or a birth certificate.
It’s easy to cross a county line without noticing, especially in big metro areas. Los Angeles County alone has 88 cities, and plenty of addresses that say “Los Angeles” are actually in other cities.
Official boundaries
County lines come from the Census Bureau’s TIGER data, the official source used by federal agencies, and we draw yours on the map. We also show the county’s FIPS code, which many forms and datasets ask for.
Louisiana has parishes and Alaska has boroughs and census areas instead of counties, and some cities (like St. Louis, Baltimore and most of Virginia’s) are independent of any county. We show whichever applies.
Outside the US
In Spain we show the municipality, province and region from the official IGN boundaries; elsewhere, the county or district from OpenStreetMap.
Frequently asked questions
What is a FIPS code?
A five-digit code that identifies every US county: the first two digits are the state. Many government forms and datasets use it.
My address says one city but I’m in another county. Why?
Mailing city names follow ZIP codes, not county lines. Your county is decided by where you actually are.
What about parishes and boroughs?
They’re county equivalents: Louisiana’s parishes, Alaska’s boroughs and census areas, and independent cities are all shown.
How accurate is it?
As accurate as your location. On a phone, GPS is usually within a few yards; on a laptop it can be off by a few hundred.
Do you store my location?
No. It’s used once for the lookup and never saved.
Related tools
All toolsSources
- TIGERweb: states, counties, places and ZCTAs · U.S. Census Bureau, public domain
- Addresses and places worldwide (Photon) · © OpenStreetMap contributors, ODbL
- Spain’s municipal, provincial and regional boundaries (BDDAE, simplified) · Instituto Geográfico Nacional, CC BY 4.0 ign.es
- Base map · OpenFreeMap, © OpenStreetMap contributors