Geneva is an unincorporated community in Bear Lake County, Idaho, United States. Its elevation is 6,178 feet (1,883 m). Although Geneva is unincorporated, it has a post office, with the ZIP code of 83238; the ZCTA for ZIP Code 83238 had a population of 141 at the 2000 census.
U.S. Route 89 runs west 15 miles (24 km) to Montpelier and northeast 23 miles (37 km) to Smoot, Wyoming. Idaho State Highway 61 leads south briefly to connect with Wyoming Highway 89 and Border Junction, Wyoming, 13 miles (21 km) south. Geneva is located about 1 mile (1.6 km) west of the Idaho-Wyoming state line.
A post office called Geneva has been in operation since 1898. The community was named after Geneva, in Switzerland, the native land of a large share of the first settlers. The Geneva Cemetery is located in the community.