Fremont County is a county located in the state of Idaho. Based on the 2010 census, the county had a
population of 13,242. The county was created in 1893.
The county seat and largest city is
St. Anthony. Fremont county is named for the explorer John C. Fremont.
Fremont County is part of the Rexburg, ID Micropolitan Statistical Area, which is also included in the Idaho Falls-Rexburg-Blackfoot, ID
Combined Statistical Area.
Fremont County is named for John Charles Fremont (1813-1890), a famous explorer and US Senator.
County QuickFacts: CensusBureau Quick Facts
Established March 4, 1893 with its county seat at St. Anthony. Named for John C. Fremont, an explorer known as the "Pathfinder" who passed through the area in 1843. The first settlement in the county was Egin Bench in 1879.
As reported by the Census Bureau, the county has a total area of 1,896 square miles (4,910 km2), of which 1,864 square miles (4,830 km2) is land and 32 square miles (83 km2) (1.7%) is water.
Fremont county is located in east Idaho. The southern part of the county cover the northeast tip of the Snake River Basin, with the mountains of the continental divide forming its northern boundary. Montana lies to the north, and Wyoming to the east. A portion of Yellowstone National Park reaches into the county.
Bordering counties are as follows: