Calhoun

Source:

Texas

Calhoun is a county in Texas with 4 ZIP codes and a total population of 21,349. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Calhoun is a county inside Texas (FIPS code 48057) that contains 4 USPS ZIP codes covering a combined population of 21,349 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 4 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Calhoun is 77979 covering Port Lavaca with 17,144 residents at 19 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Calhoun uses FIPS code 48057, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

4

Total ZIPs

21,349

Total Population

ZIP Codes in Calhoun

Side-by-side: Compare 77979 vs 77983 →

ZIP Code City Population Density
77979 Port Lavaca 17,144 19
77983 Seadrift 2,209 8
77982 Port O Connor 1,253 38
77978 Point Comfort 743 28

What are common questions about ZIP codes in this county?

What is the population of Calhoun?
Calhoun has a total population of 21,349 across 4 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Calhoun?
Calhoun includes 4 ZIP codes: 77979, 77983, 77982, 77978.
What is the median household income in Calhoun?
Median household income data for individual ZIP codes in Calhoun is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.