Where is Potter County?

3 Potter Counties in 3 states · 132,727 people (2025)

There are 3 counties named Potter County in the United States, in Pennsylvania, South Dakota and Texas. The most populous is Potter County, Texas (county seat: Amarillo), with 114,453 people in 2025.

Map of the United States showing where all 3 Potter Counties are, labeled by state
Every Potter County in the United States (red), labeled with its state. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

All 3 Potter Counties

Sorted by state. Each link opens the county's map.

StateCounty seatPopulation 2025Land area (sq mi)EstablishedNamed after
Potter County, PennsylvaniaCoudersport15,8971,0811804James Potter
Potter County, South DakotaGettysburg2,3778611875–
Potter County, TexasAmarillo114,4539081876Robert Potter

Questions about Potter Counties

How many Potter Counties are there?

There are 3 Potter Counties in the United States, in Pennsylvania, South Dakota and Texas.

Which Potter County is the largest?

By population, Potter County, Texas (114,453 people in 2025). By land area, Potter County, Pennsylvania (1,081 sq mi).

Which Potter County is the oldest?

Potter County, Pennsylvania, established in 1804. The newest is Potter County, Texas (1876).

How do I find out which Potter County an address is in?

Open the county map of the state: it has a search box for cities, towns and ZIP codes. On a phone, the "what county am I in" tool on our sister site uses your location.

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Other common county names