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What county is Aransas Pass, TX in?

Updated · Data: U.S. Census Bureau

Aransas Pass, Texas is in 2 counties. Most residents (87.0%) live in the San Patricio County part; the rest live in Aransas County.

Which counties do Aransas Pass residents live in?

CountyShare of residentsChart
San Patricio County87.0% (7,663 people)
Aransas County13.0% (1,144 people)

How is Aransas Pass's land split between counties?

CountyShare of land areaChart
Nueces County62.4%
Aransas County24.5%
San Patricio County13.1%

Most of Aransas Pass's land is in Nueces County, but most of its people live in San Patricio County. Which county you are in depends on your street.

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

Aransas Pass at a glance

Population8,8073rd largest place in San Patricio County
Land area13.2 sq mi668 people per sq mi
Share of San Patricio County11%of the county's residents live here
County seatSinton26 mi from Aransas Pass
Time zoneCentralAmerica/Chicago

What ZIP codes are in Aransas Pass?

2 ZIP codes use the name Aransas Pass 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)
78335Aransas PassSan Patricio County
78336Aransas PassSan Patricio County 67%, Aransas County 30%, Nueces County 3%

About San Patricio County

County seat: Sinton. FIPS code 48409. Population 69,519. All San Patricio County facts.

Towns near Aransas Pass

  • Port Aransas: 6.6 mi away, Nueces County
  • Ingleside: 7.1 mi away, San Patricio County
  • Rockport: 9.7 mi away, Aransas County
  • Gregory: 11 mi away, San Patricio County
  • Fulton: 12 mi away, Aransas County
  • Corpus Christi: 12 mi away, Nueces County

Aransas Pass has about 8,807 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 Aransas Pass, TX in?
Aransas Pass, Texas is in 2 counties. Most residents (87.0%) live in the San Patricio County part; the rest live in Aransas County. The county seat of San Patricio County is Sinton.
Is Aransas Pass in more than one county?
Yes. 2 counties: San Patricio County (87.0% of residents), Aransas County (13.0% of residents).
What ZIP codes are in Aransas Pass, TX?
78335, 78336.
Is Aransas Pass the county seat of San Patricio County?
No. The county seat is Sinton, about 26 mi away.
What time zone is Aransas Pass, TX in?
Central time (America/Chicago).
How do I know which county my Aransas Pass address is in?
Use the address lookup at your home, or check your appraisal district record.

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