Butterflies of Calhoun County, Texas
- Information about and pictures of all the known species of butterflies in the county.
- http://www.butterfliesandmoths.org/map?dc=5867&_dcc=1&si=44

Calhoun County Independent School District
- Includes information on the campuses, teachers and salaries available. Contact information provided.
- http://www.calcoisd.org/

Handbook of Texas Online : Calhoun County
- Current and historical information about Calhoun County.
- http://www.tsha.utexas.edu/handbook/online/articles/CC/hcc2.html

Calhoun County Public Library
- Includes history, parton information, branch locations, new arrivals, coming events, and online card catalog.
- http://www.cclibrary.org/

Calhoun County Chamber of Commerce and Agriculture
- Includes county facts, visitors guide, relocation guide, and member directory.
- http://www.portlavacainfo.com/

Calhoun County Emergency Management
- Includes information on the local area and the services provided. Contact information is provided.
- http://www.tisd.net/~emermgt/

Calhoun Government
- Contact details for the Commissioner's Court.
- http://www.tisd.net/~calhoun/

Amphibians and Reptiles in Calhoun County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/CALHO029.HTM