COUNTY · TX

Tarrant County, Texas

Tarrant County is a county in Texas with FIPS code 48439 and an estimated population of 2,182,947 (Census 2023), 3rd largest of 254 in the state.

County facts

Name: Tarrant County
State: Texas
Type: county
FIPS code: 48439
State FIPS: 48
Population (2023): 2,182,947
Change since 2020: +3.2%
State rank: 3 of 254

Population is the Census Bureau’s Vintage 2023 estimate.

Major cities in Tarrant County

Arlington Fort Worth

Other counties in Texas

Harris County Dallas County Bexar County Travis County Collin County Denton County Fort Bend County Hidalgo County All 254

Questions

What is the FIPS code for Tarrant County?

Tarrant County, Texas has the five-digit FIPS code 48439: 48 for the state and 439 for the county.

What state is Tarrant County in?

Tarrant County is in Texas.

How do I know if an address is in this county?

Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.

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