Thornton
- County:
- Calhoun County
- County Seat:
- No
- Area (mi²):
- 1.924
- State:
- Arkansas
Thornton is a city located in Calhoun County, Arkansas. Thornton has a 2026 population of 331. Thornton is currently growing at a rate of 0.61% annually but its population has decreased by -1.49% since the most recent census, which recorded a population of 336 in 2020.
The median household income in Thornton is $54,643 with a poverty rate of 17.47%. The median age in Thornton is 45.4 years: 41.9 years for males, and 45.5 years for females. For every 100 females there are 151.7 males.