What is the largest city in Dallas County, TX?

Dallas is the largest city or town in Dallas County, with about 1,307,930 residents.

How many ZIP codes are in Dallas County?

Dallas County includes 84 ZIP Code Tabulation Areas, including 75001, 75006, 75019, 75038, 75039.

What is the population of Dallas County, TX?

About 2,621,179 people live in Dallas County, based on American Community Survey 5-year estimates.

What counties border Dallas County?

Dallas County borders Tarrant County, Collin County, Denton County, Ellis County, Kaufman County, Rockwall County.

Dallas County, TX: Cities, ZIP Codes & Local Data

Population

2,621,179

Land area

873sq mi

People per sq mi

3,002

ZIP codes

84

Dallas County at a glance

Dallas County is about 26 times as dense as Texas as a whole.
It is the 2nd most populous of 254 counties in Texas.
The median household income is $76,547, close to the Texas median.
A typical owner-occupied home is valued at $303,000 (7% above Texas) and median rent is $1,565 a month.
The biggest population centers are Dallas (1.3 million), Irving (256,492) and Garland (246,844).

Local data for Dallas County, TX

Counts from official public data

Housing and community stats

Dallas County, TX, American Community Survey 2020-2024

Full profile

Median household income

$76,547

Poverty rate

13.9%

Median home value

$303,000

Prices -0.1% in a year

Median rent

$1,565/mo

Homeownership

50.8%

Bachelor's or higher

35.7%

Median age

34.1

Average commute

26.8 min

Largest reported origins and ancestries: Mexican Americans (846,286), German Americans (133,831), Irish Americans (115,742).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.5%

Aug 2026, +0.1 pts in a year

Average annual pay

$92,543

1,829,643 jobs, 2025

Income per person

$84,975

BEA, 2024

Federal spending

$43.74B

FY 2026, $16,736 per person

PPP loans

$9.06B

112,744 loans, 972,733 jobs reported

Campaign donations

$85.1M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Dallas County, TX, workers 16 and older. American Community Survey 5-year estimates

Drove alone68.4%
Carpooled11.5%
Public transit1.4%
Walked1.5%
Bicycle0.1%
Taxi, ride-hailing, motorcycle or other1.3%
Worked from home15.7%

Average one-way commute: 26.8 minutes for people who do not work from home.

Environment and hazard risk

Dallas County, TX, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very High

Top: hail

Storm events since 1996

1,654

Most often hail

Flood insurance policies

4,809

0.8% of homes, county

July high / Jan low

97° / 38°F

38.3 inches of rain a year

Hazards, floods and storm history Check a flood zone 101 historic places

Health statistics

Share of adults in Dallas County, TX, CDC PLACES estimates

All 40 measures

Obesity

35.7%

U.S. 33.3% +2.4 pts

Diabetes

12.5%

U.S. 12.1% about the same

Smoking

12.5%

U.S. 12.8% about the same

Uninsured (18-64)

20.6%

U.S. 11.1% +9.5 pts

Cities, towns and ZIP codes in Dallas County

Population shown

Frequently asked questions

What is the largest city in Dallas County, TX?: Dallas is the largest city or town in Dallas County, with about 1,307,930 residents.
How many ZIP codes are in Dallas County?: Dallas County includes 84 ZIP Code Tabulation Areas, including 75001, 75006, 75019, 75038, 75039.
What is the population of Dallas County, TX?: About 2,621,179 people live in Dallas County, based on American Community Survey 5-year estimates.
What counties border Dallas County?: Dallas County borders Tarrant County, Collin County, Denton County, Ellis County, Kaufman County, Rockwall County.