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What county is Amarillo, TX in?

Updated · Data: U.S. Census Bureau

Amarillo, Texas is in 2 counties. Most residents (50.1%) live in the Randall County part; the rest live in Potter County.

Which counties do Amarillo residents live in?

CountyShare of residentsChart
Randall County50.1% (100,770 people)
Potter County49.9% (100,175 people)

How is Amarillo's land split between counties?

CountyShare of land areaChart
Potter County66.3%
Randall County33.7%

Most of Amarillo's land is in Potter County, but most of its people live in Randall County. Which county you are in depends on your street.

Inside Amarillo, the county depends on the address: check your address privately. See all Texas cities in more than one county or look up another city.

Amarillo at a glance

Population200,945Largest place in Randall County
Land area103.6 sq mi1,939 people per sq mi
Share of Randall County70%of the county's residents live here
County seatCanyon15 mi from Amarillo
Time zoneCentralAmerica/Chicago

What ZIP codes are in Amarillo?

27 ZIP codes use the name Amarillo or are centered in it. Shares are of each ZIP's land; a ZIP named after a town can reach beyond its city limits.

ZIPPost office nameCounty (land share)
79101AmarilloPotter County
79102AmarilloPotter County
79103AmarilloPotter County 50%, Randall County 50%
79104AmarilloPotter County
79105AmarilloPotter County
79106AmarilloPotter County 90%, Randall County 10%
79107AmarilloPotter County
79108AmarilloPotter County 99%, Carson County 1%
79109AmarilloRandall County 79%, Potter County 21%
79110AmarilloRandall County
79111AmarilloPotter County
79114AmarilloRandall County
79116AmarilloPotter County
79117AmarilloPotter County
79118AmarilloRandall County 93%, Potter County 6%
79119AmarilloRandall County
79120AmarilloPotter County
79121AmarilloRandall County 84%, Potter County 16%
79124AmarilloPotter County 98%, Randall County 2%
79159AmarilloPotter County
79166AmarilloPotter County
79168AmarilloPotter County
79172AmarilloPotter County
79174AmarilloPotter County
79178AmarilloPotter County
79185AmarilloPotter County
79189AmarilloPotter County

About Randall County

County seat: Canyon. FIPS code 48381. Population 143,791. All Randall County facts.

Towns near Amarillo

  • Rockwell Place: 12 mi away, Randall County
  • Bushland: 13 mi away, Potter County
  • Canyon: 15 mi away, Randall County
  • Claude: 27 mi away, Armstrong County
  • Panhandle: 28 mi away, Carson County
  • Fritch: 34 mi away, Hutchinson County

Amarillo has about 200,945 people. It is an incorporated city or town.

Sources: ACS 2019-2023 5-year (residents by county, table B01003); Census TIGER/Line 2024 and Gazetteer 2024 (land, location); Census 2020 ZCTA file and GeoNames (ZIP codes). Data as of November 1, 2026. Not affiliated with any government agency.

FAQ

Frequently asked questions

What county is Amarillo, TX in?
Amarillo, Texas is in 2 counties. Most residents (50.1%) live in the Randall County part; the rest live in Potter County. The county seat of Randall County is Canyon.
Is Amarillo in more than one county?
Yes. 2 counties: Randall County (50.1% of residents), Potter County (49.9% of residents).
What ZIP codes are in Amarillo, TX?
79101, 79102, 79103, 79104, 79105, 79106, 79107, 79108, 79109, 79110, 79111, 79114, 79116, 79117, 79118, 79119, 79120, 79121, 79124, 79159, 79166, 79168, 79172, 79174, 79178, 79185, 79189.
Is Amarillo the county seat of Randall County?
No. The county seat is Canyon, about 15 mi away.
What time zone is Amarillo, TX in?
Central time (America/Chicago).
How do I know which county my Amarillo address is in?
Use the address lookup at your home, or check your appraisal district record.

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