CITY · TX

What county is Amarillo, TX in?

Amarillo, TX is mostly in Potter County. County FIPS code 48375, population 114,647 (2023 estimate).

County details

City: Amarillo, Texas
Primary county: Potter County
FIPS code: 48375
County population: 114,647

Some cities extend into more than one county. Amarillo is placed in the county that contains its center. For a specific address, use the address lookup.

Questions

What county is Amarillo in?

Amarillo, TX is mostly in Potter County.

What is the county seat of Potter County?

County seats are not part of the data on this site. Check the county’s official website.

Can a city be in two counties?

Yes. Large cities such as Houston and Atlanta cross county lines. The address lookup shows the exact county for any street address.

Sources: U.S. Census Bureau geographic reference files; FCC Area API; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.