Calhoun County ZIP Codes

List of ZIP Codes in Calhoun County

The following table lists ZIP Codes associated with Calhoun County, Texas, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 77978 28.69152 -96.5991 Point Comfort 498 113.3
2 77979 28.60248 -96.6017 Port Lavaca 16,179 18.3
3 77982 28.44903 -96.48657 Port O'Connor 698 6.3
4 77983 28.39874 -96.64049 Seadrift 2,707 12.2


About Calhoun County ZIP Codes

Calhoun County in Texas (TX) is served by approximately 4 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 20,082 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Calhoun County are located in cities such as Port Lavaca, Seadrift, Port O'Connor, Point Comfort. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Calhoun County, Texas follow the America/Chicago time zone.