Soda Springs, Idaho is the county seat of Caribou County and had a population of 3,058 as of the 2010 census. Soda Springs has been the county seat of Caribou County since it was created in 1919. It served as the county seat of Oneida County in the 1860s.

Soda Springs is named after hundreds of natural springs of carbonated water located in and around the city. These springs were well known to Native Americans and were an important landmark along the Oregon Trail during the middle of the 19th century. Today, Soda Springs is known for the Soda Springs Geyser, unearthed in 1934 by settlers looking for hot water for a bath. The geyser is let loose every hour on the hour by a timed-release valve.

The Caribou County courthouse is located at 159 S. Main Street in Soda Springs, Idaho. To speak with a courthouse official, please call (208) 547-2146 between the hours of 9 a.m. and 5 p.m.