What is the largest city in Cameron County, TX?

Brownsville is the largest city or town in Cameron County, with about 189,177 residents.

How many ZIP codes are in Cameron County?

Cameron County includes 16 ZIP Code Tabulation Areas, including 78520, 78521, 78526, 78535, 78550.

What is the population of Cameron County, TX?

About 426,120 people live in Cameron County, based on American Community Survey 5-year estimates.

What counties border Cameron County?

Cameron County borders Hidalgo County, Willacy County.

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

Population

426,120

Land area

892sq mi

People per sq mi

478

ZIP codes

16

Cameron County at a glance

Cameron County is about 4.1 times as dense as Texas as a whole.
It is the 13th most populous of 254 counties in Texas.
Households here earn a median of $52,601 a year, 33% less than the Texas figure of $78,476.
A typical owner-occupied home is valued at $136,500 (52% below Texas) and median rent is $912 a month.
The biggest population centers are Brownsville (189,177), Harlingen (72,087) and San Benito (24,709).

Local data for Cameron County, TX

Counts from official public data

Housing and community stats

Cameron County, TX, American Community Survey 2020-2024

Full profile

Median household income

$52,601

Poverty rate

24.8%

Median home value

$136,500

Prices +0.1% in a year

Median rent

$912/mo

Homeownership

65.2%

Bachelor's or higher

22.1%

Median age

32.7

Average commute

21.3 min

Largest reported origins and ancestries: Mexican Americans (356,804), German Americans (9,935), Irish Americans (5,404).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

6.5%

Aug 2026, -1.0 pts in a year

Average annual pay

$47,042

154,673 jobs, 2025

Income per person

$39,990

BEA, 2024

Federal spending

$2.86B

FY 2026, $6,785 per person

PPP loans

$422M

9,283 loans, 76,971 jobs reported

Campaign donations

$3.28M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

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

Drove alone75.6%
Carpooled11.7%
Public transit0.4%
Walked1.6%
Bicycle0.1%
Taxi, ride-hailing, motorcycle or other1.4%
Worked from home9.1%

Average one-way commute: 21.3 minutes for people who do not work from home.

Environment and hazard risk

Cameron County, TX, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: cold wave

Storm events since 1996

851

Most often drought

Flood insurance policies

12,201

9.7% of homes, county

July high / Jan low

97° / 51°F

28.2 inches of rain a year

Hazards, floods and storm history Check a flood zone 20 historic places

Health statistics

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

All 40 measures

Obesity

40.3%

U.S. 33.3% +7.0 pts

Diabetes

18.3%

U.S. 12.1% +6.2 pts

Smoking

13.0%

U.S. 12.8% about the same

Uninsured (18-64)

35.9%

U.S. 11.1% +24.8 pts

Cities, towns and ZIP codes in Cameron County

Population shown

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Frequently asked questions

What is the largest city in Cameron County, TX?: Brownsville is the largest city or town in Cameron County, with about 189,177 residents.
How many ZIP codes are in Cameron County?: Cameron County includes 16 ZIP Code Tabulation Areas, including 78520, 78521, 78526, 78535, 78550.
What is the population of Cameron County, TX?: About 426,120 people live in Cameron County, based on American Community Survey 5-year estimates.
What counties border Cameron County?: Cameron County borders Hidalgo County, Willacy County.