Twin Falls, Idaho

Twin Falls County


Twin Falls is the county seat of administration ( County Seat), and the largest city of Twin Falls County in the U.S. state of Idaho. According to the census of 2010 Twin Falls has 44 125 inhabitants.

Twin Falls is also the largest city in the Magic Valley region in the Snake River Plain and the seventh largest of the State of Idaho. As the largest city within a radius of 160 km Twin Falls fulfills a function as a regional center for both the southern Idaho and the Northwest Nevada.


It is thought that people may have been 14,500 years, live in the region around Twin Falls. Excavations at Wilson Butte Cave near Twin Falls in 1959 brought forth signs of human activity, including arrowheads, that rank among the oldest finds in North America. More recently, the region of Indian tribes was mainly dominated by the tribe of the Shoshone.

The first people of European descent, who entered the region around Twin Falls, were the participants of an expedition to Wilson Price Hunt in the years 1811 and 1812.

Population Development

¹ 1980 - 2010: census results


Based in Pocatello Idaho State University has a branch in Twin Falls.

Sons and daughters of the town

  • Mark Felt, former agent of the U.S. Federal Bureau of Investigation
  • Grant Sawyer, Governor of the U.S. state of Nevada
  • Nathan Edward Tolbert, biochemist and plant physiologist