Teton County is a county located in the U.S. state of Idaho. As of the 2020 census, the population was 11,630. The county seat is Driggs, and the largest city is Victor. The county was established in 1915 and was named after the Teton Mountains to the east.

Driggs is a city in the western United States in eastern Idaho, and is the county seat of Teton County. Part of the Jackson, WY-ID Micropolitan Statistical Area, it is located in Teton Valley, the headwaters of the Teton River. The population was 1,660 at the 2010 census, up from 1,100 in 2000.