Calhoun County on the map of Texas as of 2026. Cities, roads, borders and directions in Calhoun County of Texas.

Calhoun County is found in the southeastern coastal zone of Texas. This proud county is named after John C. Calhoun, the seventh vice president of the United States (1825-1832). The population of Calhoun County reaches 20 thousand people. The county, formed in 1846, covers an area of 512 square miles. The county seat of Calhoun County is Port Lavaca. This map shows the borders of Calhoun County as well as neighboring counties, including major highways and natural objecsts as of 2026. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Calhoun County.