Handbook of Texas Online : Coryell County
- Presents current and historical information.
- http://www.tsha.utexas.edu/handbook/online/articles/CC/hcc23.html

Wikipedia: Coryell County
- User editable article providing information on geography and demographics.
- http://en.wikipedia.org/wiki/Coryell_County%2C_Texas

Coryell County QuickFacts from the US Census Bureau
- Population, demographic, and housing information from the 1997 to 2003 census. Link to Tiger map of the county, as well as other data sets.
- http://quickfacts.census.gov/qfd/states/48/48099.html

Coryell County Profile
- Contains demographic, population, and financial data compiled by the County Information Project.
- http://www.txcip.org/tac/census/profile.php?FIPS=48099

Texas State Library: Coryell County Records on Microfilm
- List of materials available for interlibrary loan from Baylor University.
- http://www.tsl.state.tx.us/arc/local/coryell.html

Texas Cooperative Extension: Coryell County
- Contains contact information, calendar of events, news releases, links and program details.
- http://coryell-tx.tamu.edu/