Thornton is a city located in Calhoun County, in the state of Arkansas (AR), United States. Nestled in the West South Central division of the South region, it covers an area of 1.9 square miles (5.0 km²) and sits at an elevation of 318 ft. With a population of approximately 517 residents, Thornton offers a peaceful, rural atmosphere.
The town's population is composed of about 46.23% males and 53.77% females, and it has a population density of 270.68 people per square mile (104.51/km²). Thornton lies at a latitude of 33.78 and a longitude of -92.49, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (8.9%), followed by English (2.7%), German (2.7%), and Scotch-Irish (2.3%) heritage. The town is identified by the ZIP code 71766.