Thief River Falls Flag

Thief River Falls

County Seat:
Yes
Area (mi²):
6.003
State:
Minnesota

Thief River Falls is a city located in Pennington County, Minnesota. Thief River Falls has a 2026 population of 8,779. It is also the county seat of Pennington County. Thief River Falls is currently declining at a rate of -0.63% annually and its population has decreased by -0.71% since the most recent census, which recorded a population of 8,842 in 2020.

8.8K
Total Population
1,462
Density (mi²)
-56 -0.63%
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)