Dallas County, Texas

County seat: Dallas · Population 2.7 million (2025) · 873 sq mi

Dallas County is the 2nd most populous of Texas's 254 counties, with 2,661,397 people (2025 estimate). Its county seat is Dallas. It is part of the Metroplex region, one of the 12 Texas Comptroller economic regions. The map shows its 31 cities and towns and the 6 neighboring counties.

Map of Dallas County, Texas with cities, towns and the county boundary
Dallas County, Texas with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
Download PDF (Letter) 202 KBPNG image 101 KBTexas county map

Dallas County facts

County seat
Dallas
Population (2025 estimate)
2,661,397 +1.9% since 2020
Land area
873 sq mi 177th largest of 254
Water area
36 sq mi
Population density
3,048 per sq mi
Established
1846
Named after
George M. Dallas vice president of the United States from 1845 to 1849 (1792–1864)
Largest city
Dallas 1,245,355 in the county
Median household income
$76,547
Cities and towns
31 plus 1 CDPs
ZIP codes
95
Time zone
Central
FIPS code
48113

Cities and towns in Dallas County

Dallas County has 31 incorporated cities, towns and villages. Populations count the people living inside Dallas County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Dallas (county seat)City1,245,355Collin, Denton, Kaufman and Rockwall counties
IrvingCity257,076
GarlandCity249,458Collin County
MesquiteCity150,483Kaufman County
Grand PrairieCity133,293Ellis, Johnson and Tarrant counties
RichardsonCity75,636Collin County
RowlettCity59,456Rockwall County
DeSotoCity56,681
CarrolltonCity50,838Collin and Denton counties
Cedar HillCity49,127Ellis County
LancasterCity40,526
CoppellCity40,373Denton County
DuncanvilleCity38,915
Farmers BranchCity38,320
Balch SpringsCity27,258
University ParkCity25,323
SeagovilleCity21,042Kaufman County
SachseCity20,622Collin County
AddisonTown17,195
Glenn HeightsCity14,252Ellis County
SunnyvaleTown9,008
Highland ParkTown8,764
HutchinsCity8,206
WilmerCity6,768
Cockrell HillCity3,638
WylieCity1,619Collin and Rockwall counties
LewisvilleCity1,452Denton County
CombineCity928Kaufman County
OvillaCity321Ellis County
FerrisCity4Ellis County
GrapevineCity0Denton and Tarrant counties

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Bear Creek Ranch1,604

ZIP codes in Dallas County

95 ZIP codes reach into Dallas County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Dallas County, 2020–2025

Dallas County grew by 49,310 people (+1.9%) between April 2020 and July 2025: 92,055 more births than deaths and a net loss of 41,079 people from migration.

Year (July 1)Population
20202,610,802
20212,589,912
20222,613,911
20232,637,393
20242,664,013
20252,661,397

Neighboring counties

Printable Dallas County map

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Sources

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