Caribou County is a county located in the U.S. state of Idaho. As of the 2020 Census the county had a population of 7,027. The county seat and largest city is Soda Springs.

Soda Springs is a city in Caribou County, Idaho, United States. Its population was 3,133 at the time of the 2020 census. The city has been the county seat of Caribou County since the county was organized in 1919. In the 1860s, Soda Springs served as the seat of Oneida County.