what county is twin falls
Twin Falls County, Idaho. Twin Falls County is a county in the south central part of the U.S. state of Idaho. As of the 2010 Census, the county had a population of 77,230. The county seat and largest city is Twin Falls. Twin Falls County is part of the Twin Falls, ID Micropolitan Statistical Area.
Sponsored Topics. Twin Falls is the county seat and largest city of Twin Falls County, Idaho, United States. Twin Falls is the largest city of Idaho's Magic Valley region. As the largest city in a 100-mile (166-kilometer) radius, Twin Falls serves as a regional commercial center for both south-central Idaho and northeastern Nevada.