Soda Springs is a city in Caribou County, Idaho, United States. Its population was 3,058 at the times of the 2010 census. The city has been the county chair of Caribou County past the county was organized in 1919. In the 1860s, Soda Springs served as the chair of Oneida County.

The city is named for the hundreds of natural springs of carbonated water that are located in and on the order of the city. The springs were known to Native Americans, and were a landmark along the Oregon Trail in the middle 19th century. Today the city is otherwise known as the location of the Soda Springs Geyser, which was unleashed in 1934 next town fathers were seeking hot water for a hot pool bathing attraction. They drilled into a chamber of deeply pressurized carbon dioxide gas and Cool water, and the geyser was released. After management for weeks and flooding the downtown area, it was capped and manually released on request as a tourist attraction. Currently a timed pardon valve opens all hour on the hour. Its zenith and volume have not decreased after many years. Viewing platforms are located at either grow less of the travertine mound where the geyser erupts. Interpretive signs are located upon the platforms explaining this phenomenon.

Soda Springs is afterward the location of one of the Ground Observer Corps sites.

According to the United States Census Bureau, the city has a total Place of 4.59 square miles (11.89 km), of which, 4.54 square miles (11.76 km²) is land and 0.05 square miles (0.13 km) is water.