- Handbook of Texas Online - Current and historical information about Henderson County.
- Henderson County - Site provides information on the services and offices within the county.
- Henderson County Appraisal District - Interactive site which allows searches of property tax records.
- The Political Graveyard: Henderson County - Lists politicians who lived or died in the county.
- Athens@ (22)
- Berryville@ (2)
- Brownsboro@ (6)
- Cedar Creek Reservoir@ (9)
- Chandler@ (7)
- Enchanted Oaks@ (2)
- Eustace@ (5)
- Gun Barrel City@ (8)
- Lake Palestine@ (5)
- Larue@ (4)
- Mabank@ (9)
- Malakoff@ (3)
- Murchison@ (5)
- Poynor@ (2)
- Seven Points@ (2)
- Tool@ (2)
- Trinidad@ (3)