Twin Falls Flag

Twin Falls

County Seat:
Yes
Area (mi²):
19.87
State:
Idaho

Twin Falls is a city located in Twin Falls County, Idaho. Twin Falls has a 2026 population of 55,589. It is also the county seat of Twin Falls County. Twin Falls is currently growing at a rate of 0.86% annually and its population has increased by 6.66% since the most recent census, which recorded a population of 52,116 in 2020.

55.6K
Total Population
2,798
Density (mi²)
475 0.86%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)