Thief River Falls
- Population
- 8,688 (2020)
- Type
- City
- Area
- 6 sq mi (15.55 km²), 0.18 sq mi water
- Median age
- 38.8
- Households
- 5,332
- Persons per household
- 2.3
- Median household income
- $59,180
- Average house value
- $142,200
- Businesses
- 356
- Employees
- 8,791
- Government
- CITY OF THIEF RIVER FALLS
- Government office
- PO BOX 528, THIEF RIVER FALLS, MN 56701