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What county is Arlington, TX in?

Updated · Data: U.S. Census Bureau

Arlington, Texas is in Tarrant County.

Arlington at a glance

Population394,7692nd largest place in Tarrant County
Land area95.8 sq mi4,119 people per sq mi
Share of Tarrant County18%of the county's residents live here
County seatFort Worth14 mi from Arlington
Time zoneCentralAmerica/Chicago
Nearest county line5.2 mito Dallas County

How close is Arlington to a county line?

The center of Arlington (its Census internal point) is about 5.2 mi from the Dallas County line. Homes near the edge of town can be much closer; if you live near a line, check your address and the lookup will tell you how far you are from it.

What ZIP codes are in Arlington?

19 ZIP codes use the name Arlington 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)
76001ArlingtonTarrant County
76002ArlingtonTarrant County
76003ArlingtonTarrant County
76004ArlingtonTarrant County
76005ArlingtonTarrant County
76006ArlingtonTarrant County
76007ArlingtonTarrant County
76010ArlingtonTarrant County
76011ArlingtonTarrant County
76012ArlingtonTarrant County
76013ArlingtonTarrant County
76014ArlingtonTarrant County
76015ArlingtonTarrant County
76016ArlingtonTarrant County
76017ArlingtonTarrant County
76018ArlingtonTarrant County
76019ArlingtonTarrant County
76094ArlingtonTarrant County
76096ArlingtonTarrant County

About Tarrant County

County seat: Fort Worth. FIPS code 48439. Population 2,135,743. All Tarrant County facts.

Towns near Arlington

  • Pantego: 2.0 mi away, Tarrant County
  • Dalworthington Gardens: 2.0 mi away, Tarrant County
  • Grand Prairie: 6.1 mi away, Dallas County
  • Kennedale: 6.7 mi away, Tarrant County
  • Forest Hill: 8.7 mi away, Tarrant County
  • Mansfield: 9.1 mi away, Tarrant County

Arlington has about 394,769 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 Arlington, TX in?
Arlington, Texas is in Tarrant County. The county seat of Tarrant County is Fort Worth.
What ZIP codes are in Arlington, TX?
76001, 76002, 76003, 76004, 76005, 76006, 76007, 76010, 76011, 76012, 76013, 76014, 76015, 76016, 76017, 76018, 76019, 76094, 76096.
Is Arlington the county seat of Tarrant County?
No. The county seat is Fort Worth, about 14 mi away.
What time zone is Arlington, TX in?
Central time (America/Chicago).
How do I know which county my Arlington address is in?
Use the address lookup at your home, or check your appraisal district record.

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