- Calhoun County Government - Contact details for government departments and area information.
- Calhoun County Independent School District - Includes information on the campuses, teachers and salaries available. Contact information provided.
- Calhoun County Museum - Local history museum containing items about Port Lavaca and Indianola.
- Calhoun County Public Library - Includes history, parton information, branch locations, new arrivals, coming events, and online card catalog.
- Handbook of Texas Online : Calhoun County - Current and historical information about Calhoun County.
- Indianola@ (6)
- Olivia@ (2)
- Point Comfort@ (4)
- Port Alto@ (2)
- Port Lavaca@ (23)
- Port O'Connor@ (16)
- Seadrift@ (14)