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Dallas County, Texas

Updated · Data: U.S. Census Bureau

Dallas County, Texas has its county seat in Dallas and FIPS code 48113. About 2,603,816 people live here, the 2nd most populated of the 254 Texas counties.

County seatDallas
FIPS code48113 (Texas 48 + county 113) · all Texas FIPS codes
Population2,603,816 (2nd of 254)
Land area873.2 sq mi (177th largest; + 35.5 sq mi water)
People per sq mi2,981.9
Time zoneCentral time (America/Chicago)
Median home value$277,900
Median property tax paid$4,668 a year (about 1.68% of the median home value: our calculation, not an official rate)
Official websitewww.dallascounty.org

What counties border Dallas County?

Dallas County shares a border with 6 counties:

What cities and towns are in Dallas County?

30 places with 1,000+ people have residents here; together they hold about 100% of the county's population. The rest live in smaller communities and rural areas.

PlacePopulationResidents in this county
Dallas1,299,55393.8% (also in other counties)
Irving255,036100.0%
Garland245,298100.0%
Grand Prairie198,56463.7% (also in other counties)
Mesquite148,84899.6% (also in other counties)
Carrollton132,74138.3% (also in other counties)
Lewisville128,3131.1% (also in other counties)
Richardson118,26964.2% (also in other counties)
Rowlett64,13987.8% (also in other counties)
Wylie58,9912.6% (also in other counties)
DeSoto55,896100.0%
Cedar Hill48,54799.0% (also in other counties)
Coppell42,02998.1% (also in other counties)
Lancaster40,753100.0%
Duncanville39,879100.0%
Farmers Branch36,254100.0%
Sachse29,07563.2% (also in other counties)
Balch Springs27,181100.0%
University Park25,104100.0%
Seagoville18,968100.0%
Glenn Heights17,17570.6% (also in other counties)
Addison17,128100.0%
Highland Park8,774100.0%
Sunnyvale8,069100.0%
Wilmer5,876100.0%
Hutchins5,713100.0%
Ovilla4,2393.4% (also in other counties)
Cockrell Hill3,736100.0%
Combine2,78041.3% (also in other counties)
Bear Creek Ranch (CDP)1,897100.0%

CDP = census-designated place: a named community with no city government.

What ZIP codes are in Dallas County?

91 ZIP code areas with residents touch Dallas County; the ones marked * cross into another county.

Check an exact address with the address lookup, look up a ZIP code, or see how to confirm your county with official records.

Sources: Census TIGER/Line 2024 (boundary, area, neighbors); ACS 2019-2023 5-year (population, home value, taxes paid); Wikidata, CC0 (seat, website); timezone-boundary-builder (time zone). Data as of November 1, 2026. Not affiliated with any government agency.

FAQ

Frequently asked questions

What is the county seat of Dallas County, Texas?
Dallas.
What is the FIPS code for Dallas County?
48113. The first two digits (48) are Texas; the last three (113) are the county.
What counties border Dallas County?
Collin County, Denton County, Ellis County, Kaufman County, Rockwall County, Tarrant County.
How many people live in Dallas County?
About 2,603,816 (ACS 2019-2023 5-year estimate), the 2nd most of the 254 Texas counties.
What time zone is Dallas County in?
Central time (America/Chicago).
What is the largest city in Dallas County?
Dallas, with about 1,299,553 people (counting all of it, including any part in another county).

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