Gannett is an unincorporated community and Census-designated place in Blaine County in the U.S. state of Idaho. The population at the 2020 census was 174.
Gannett is located 8 mi (12.9 km) southeast of Bellevue on Gannett Road between State Highway 75 and U.S. Route 20.
Gannett's population was 20 in 1960.
Blaine County School District is the school district for the entire county.
The county is in the catchment area, but not the taxation zone, for College of Southern Idaho.