COUNTY · TX

Dallas County, Texas

Dallas County is a county in Texas with FIPS code 48113 and an estimated population of 2,606,358 (Census 2023), 2nd largest of 254 in the state.

County facts

Name: Dallas County
State: Texas
Type: county
FIPS code: 48113
State FIPS: 48
Population (2023): 2,606,358
Change since 2020: -0.1%
State rank: 2 of 254

Population is the Census Bureau’s Vintage 2023 estimate.

Major cities in Dallas County

Dallas Irving

Other counties in Texas

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

Questions

What is the FIPS code for Dallas County?

Dallas County, Texas has the five-digit FIPS code 48113: 48 for the state and 113 for the county.

What state is Dallas County in?

Dallas 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.