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Calhoun County, TX
6 cities and towns and 4 ZIP codes in Calhoun County, Texas.
Population
19,868
Land area
507sq mi
People per sq mi
39
ZIP codes
4
Cities and towns in Calhoun County
Calhoun County at a glance
- Calhoun County is 66% less dense than Texas as a whole.
- The median household income is $79,959, close to the Texas median.
- A typical owner-occupied home is valued at $171,200 (40% below Texas) and median rent is $891 a month.
- Its largest cities are Port Lavaca (11,358), Seadrift (1,239) and Port O'Connor (620).
Local data for Calhoun County, TX
Counts from official public data
Housing and community stats
Calhoun County, TX, American Community Survey 2020-2024
Median household income
$79,959
Poverty rate
7.7%
Median home value
$171,200
Prices +4.7% in a year
Median rent
$891/mo
Homeownership
77.3%
Bachelor's or higher
20.1%
Median age
41.4
Average commute
19.4 min
Largest reported origins and ancestries: Mexican Americans (7,950), German Americans (2,561), Irish Americans (1,139).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.0%
Sep 2026, 0.0 pts in a year
Average annual pay
$86,421
13,054 jobs, 2025
Income per person
$58,872
BEA, 2024
Federal spending
$151M
FY 2026, $7,535 per person
PPP loans
$27.8M
471 loans, 3,130 jobs reported
Campaign donations
$56.4K
Itemized, 2026 cycle
How people get to work
Calhoun County, TX, workers 16 and older. American Community Survey 5-year estimates
- Drove alone81.8%
- Carpooled10.4%
- Public transit0.0%
- Walked2.5%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.3%
- Worked from home4.9%
Average one-way commute: 19.4 minutes for people who do not work from home.
Environment and hazard risk
Calhoun County, TX, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: hurricane
Storm events since 1996
368
Most often drought
Flood insurance policies
1,585
14.4% of homes, county
July high / Jan low
89° / 47°F
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Calhoun County, TX, CDC PLACES estimates
Obesity
34.8%
U.S. 33.3% +1.5 pts
Diabetes
14.7%
U.S. 12.1% +2.6 pts
Smoking
13.0%
U.S. 12.8% about the same
Uninsured (18-64)
22.0%
U.S. 11.1% +10.9 pts
Cities, towns and ZIP codes in Calhoun County
Population shown
Frequently asked questions
- What is the largest city in Calhoun County, TX?
- Port Lavaca is the largest city or town in Calhoun County, with about 11,358 residents.
- How many ZIP codes are in Calhoun County?
- Calhoun County includes 4 ZIP Code Tabulation Areas, including 77978, 77979, 77982, 77983.
- What is the population of Calhoun County, TX?
- About 19,868 people live in Calhoun County, based on American Community Survey 5-year estimates.
- What counties border Calhoun County?
- Calhoun County borders Victoria County, Matagorda County, Aransas County, Jackson County, Refugio County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023