City in Pennington County, Minnesota · 6 sq mi · 1,466 people per sq mi
About 8,800 people live in Thief River Falls. The typical household earns $71,144, and the median resident is 37.8 years old.
2026 projection
From 8,836 in 2020
Poverty rate 12.16%
Men 36.8 · Women 39.8
1890–2026
8,799
2026 projection
0.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1890–2026
8,799
2026 projection
0.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 8,799 | 0 | 0.00% |
|---|---|---|---|
| 2025 | 8,799 | -40 | 0.45% |
| 2024 | 8,839 | +6 | 0.07% |
| 2023 | 8,833 | -63 | 0.71% |
| 2022 | 8,896 | +109 | 1.24% |
| 2021 | 8,787 | -49 | 0.55% |
| 2020 | 8,836 | +37 | 0.42% |
| 2019 | 8,799 | -1 | 0.01% |
| 2018 | 8,800 | -12 | 0.14% |
| 2017 | 8,812 | +7 | 0.08% |
Showing 10 of 29 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 88 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 8 residents
45% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 45% | 45% | 45% |
| Never married | 34% | 41% | 28% |
| Divorced | 12% | 9% | 15% |
| Widowed | 8% | 4% | 12% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau