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 2025 population of 8,763 . It is also the county seat of Pennington County . Thief River Falls is currently declining at a rate of -0.18% annually and its population has decreased by -0.89% since the most recent census, which recorded a population of 8,842 in 2020.

The average household income in Thief River Falls is $84,261 with a poverty rate of 11.31%. The median age in Thief River Falls is 38.9 years: 37.2 years for males, and 41.8 years for females. For every 100 females there are 100.6 males.

8.8K
Total Population
1,460
Density (mi²)
-16 -0.18%
Growth

Thief River Falls Population

Thief River Falls Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Thief River Falls includes 90.58% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.

Population by Race

White (90.58%)

Two or more races (4.65%)

Other race (1.9%)

Black or African American (1.75%)

Asian (0.67%)

Native American (0.45%)

Race
Population
Percentage (of total)
White8,00890.58%
Two or more races4114.65%
Other race1681.9%
Black or African American1551.75%
Asian590.67%
Native American400.45%

Thief River Falls Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Thief River Falls' average per capita income is $49,480. Household income levels show a median of $65,244. The poverty rate stands at 11.31%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$106,775-
Families$94,388$111,783
Households$65,244$84,261
Non Families$46,612$53,401

$49,480

Average Income

$65,244

Median Household Income

11.31%

Poverty Rate

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)