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What county is Carrollton, TX in?

Updated · Data: U.S. Census Bureau

Carrollton, Texas is in 3 counties. Most residents (61.5%) live in the Denton County part; the rest live in Dallas County and Collin County.

Which counties do Carrollton residents live in?

CountyShare of residentsChart
Denton County61.5% (81,701 people)
Dallas County38.3% (50,810 people)
Collin County0.2% (230 people)

How is Carrollton's land split between counties?

CountyShare of land areaChart
Dallas County51.9%
Denton County47.6%
Collin County0.5%

Most of Carrollton's land is in Dallas County, but most of its people live in Denton County. Which county you are in depends on your street.

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

Carrollton at a glance

Population132,7416th largest place in Denton County
Land area36.7 sq mi3,621 people per sq mi
Share of Denton County9%of the county's residents live here
County seatDenton21 mi from Carrollton
Time zoneCentralAmerica/Chicago

What ZIP codes are in Carrollton?

4 ZIP codes use the name Carrollton 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)
75006CarrolltonDallas County
75007CarrolltonDenton County 90%, Dallas County 8%, Collin County 1%
75010CarrolltonDenton County
75011CarrolltonDallas County

About Denton County

County seat: Denton. FIPS code 48121. Population 945,644. All Denton County facts.

Towns near Carrollton

Carrollton has about 132,741 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 Carrollton, TX in?
Carrollton, Texas is in 3 counties. Most residents (61.5%) live in the Denton County part; the rest live in Dallas County and Collin County. The county seat of Denton County is Denton.
Is Carrollton in more than one county?
Yes. 3 counties: Denton County (61.5% of residents), Dallas County (38.3% of residents), Collin County (0.2% of residents).
What ZIP codes are in Carrollton, TX?
75006, 75007, 75010, 75011.
Is Carrollton the county seat of Denton County?
No. The county seat is Denton, about 21 mi away.
What time zone is Carrollton, TX in?
Central time (America/Chicago).
How do I know which county my Carrollton address is in?
Use the address lookup at your home, or check your appraisal district record.

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