Twin Falls County is a county in the south central part of the state of Idaho. Based on the 2010 census, the county had a
population of
77,230. Twin Falls County was created on February 21,
1907. The county seat and largest city is Twin Falls.
The county is named for the Twin Falls waterfall on the
Snake River.
Twin Falls County is part of the Twin Falls, ID Micropolitan Statistical Area.
Twin Falls County is named for a waterfall on the Snake River.
County QuickFacts: CensusBureau Quick Facts
Established February 21, 1907 with its county seat at Twin Falls. Named for the nearby waterfalls on the Snake River. A station line was established at Rock Creek in 1864 for the Ben Holladay Stage Line. The Twin Falls South Side project brought water to thousands of acres of arid land in 1904 and became one of the most successful in the Carey Act irrigation projects.
As reported by the Census Bureau, the county has a total area of 1,928 square miles (4,990 km2), of which 1,921 square miles (4,980 km2) is land and 7.1 square miles (18 km2) (0.4%) is water.
Twin Falls county is located in south Idaho. Hagerman Fossil Beds National Monument and part of Sawtooth National Forest is located in this county.
Bordering counties are as follows: