Thief River Falls, Minnesota Population 2021

8,884
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Thief River Falls is a city located in Pennington County Minnesota. It is also the county seat of Pennington County. With a 2020 population of 8,884, it is the 107th largest city in Minnesota and the 3352nd largest city in the United States . Thief River Falls is currently growing at a rate of 0.32% annually and its population has increased by 3.63% since the most recent census, which recorded a population of 8,573 in 2010. Thief River Falls reached it's highest population of 9,105 in 1980. Spanning over 6 miles, Thief River Falls has a population density of 1,569 people per square mile.

The average household income in Thief River Falls is $62,262 with a poverty rate of 13.51%. The median rental costs in recent years comes to $693 per month, and the median house value is $135,700. The median age in Thief River Falls is 39.1 years, 36.5 years for males, and 41.9 years for females.

Thief River Falls Demographics

According to the most recent ACS, the racial composition of Thief River Falls was:

  • White: 93.04%
  • Two or more races: 2.24%
  • Native American: 1.91%
  • Black or African American: 1.63%
  • Asian: 1.05%
  • Other race: 0.14%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Thief River Falls, Minnesota is 8,884 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 8,800.The last official US Census in 2010 recorded the population at 8,573.

Thief River Falls, Minnesota Population 2021

Population by Race

Race Population Percentage
White8,17893.04%
Two or More Races1972.24%
American Indian and Alaska Native1681.91%
Black or African American1431.63%
Asian921.05%
Some Other Race120.14%
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Thief River Falls Population by Race

Thief River Falls Population Pyramid $2021

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Thief River Falls Median Age

39.1


Total

36.5


Male

41.9


Female

Thief River Falls Adults

There are 6,854 adults, (1,769 of whom are seniors) in Thief River Falls.

Thief River Falls Age Dependency

72.9

Age Dependency Ratio

34.8

Old Age Dependency Ratio

38.1

Child Dependency Ratio

Thief River Falls Sex Ratio

Female

4,526

51.49%

Male

4,264

48.51%

Thief River Falls Population by Age

Thief River Falls Renter vs Owner Occupied by Household Type

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Thief River Falls Household Types

Type Owner Renter
Married87.7%12.3%
All63.6%36.4%
Male60.9%39.1%
Female54.2%45.8%
Non Family49.2%50.8%

63.6%

Rate of Home Ownership

Thief River Falls Households and Families

Type Count Average Size Owned
All4,0502.1163.6
Non Family2,0111.2249.2
Married1,4092.8287.7
Female5153.354.2
Male1153.6760.9

2.9

Average Family Size

2.11

Average Household Size

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Thief River Falls Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2043.31%
9th to 12th Grade2714.40%
High School Graduate2,07233.67%
Some College1,32321.50%
Associates Degree1,07217.42%
Bachelors Degree94515.36%
Graduate Degree2674.34%
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Thief River Falls Educational Attainment by Sex (over 25)

Thief River Falls Educational Attainment by Race

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Race Total High School Bachelors
White5,6765,3301,172
Hispanic19310620
Native American9587
Black8457
2+ Races676720
Asian3732
Other Race2

The highest rate of high school graduation is among 2+ races people with a rate of 100.00%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 29.85%.

Thief River Falls Educational Attainment by Race

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Name Average Male Female
Overall$38,817$42,380$32,409
Less Than 9th Grade$25,493$25,559$24,891
High School Graduate$31,828$37,708$23,967
Some College$40,437$49,081$35,300
Bachelors Degree$45,875$44,336$46,505
Graduate Degree$62,826$85,469$55,813

$38,817

Average Earnings

$42,380

Average Male

$32,409

Average Female

Thief River Falls Earnings by Educational Attainment

Thief River Falls Language by Age

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Thief River Falls Language

92.95% of Thief River Falls residents speak only English, while 7.05% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.96% of the population.

Thief River Falls Language

Thief River Falls Poverty by Race

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Name Total In Poverty Poverty Rate
White7,5481,00613.33%
Native1597446.54%
Hispanic487408.21%
Multiple1853217.30%
Other121083.33%
Asian9255.43%

13.51%

Overall Poverty Rate

10.18%

Male Poverty Rate

16.63%

Female Poverty Rate

Poverty in Thief River Falls

The race most likely to be in poverty in Thief River Falls is Other, with 83.33% below the poverty level.

The race least likely to be in poverty in Thief River Falls is Asian, with 5.43% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.81%. Among those working part-time, it was 15.84%, and for those that did not work, the poverty rate was 15.83%.

Thief River Falls Poverty

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Name Poverty
Less Than 9th Grade15.07%
High School13.61%
Some College10.28%
Bachelors or Greater2.02%

Thief River Falls Poverty Rate by Education

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Rate Poverty
Male Unemployed26.15%
Female Employed8.90%
Male Employed5.89%
Female Unemployed0.00%

Thief River Falls Poverty Rate by Employment Status and Sex

Thief River Falls Income by Household Type

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Name Median Mean
Households$49,790$62,262
Families$64,938$75,099
Married Families$76,673-
Non Families$37,954$46,891
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Income by Household Type

Thief River Falls Marital Status

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Marriage Rates

41.8%

Overall Marriage Rate

43.0%

Male Marriage Rate

40.6%

Female Marriage Rate

Thief River Falls Married by Age and Sex

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Thief River Falls Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.

Thief River Falls Marital Status by Race

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Thief River Falls Marital Status

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611

Number of Veterans

586

Male Veterans

25

Female Veterans

War Veterans
Vietnam225
Second Gulf War92
Korea71
First Gulf War57
World War II17

Thief River Falls Veterans by War

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Age Group Veterans
65 to 74204
75+164
35 to 5493
55 to 6485
18 to 3465

Thief River Falls Veterans by Age

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Name Veterans % of Total
White5478.37%
Black4755.95%
2+ Races910.34%
Native American88.00%

Thief River Falls Veterans by Race

Thief River Falls Veterans by Education

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2.88%

Veteran Poverty Rate

25.42%

Veteran Disability Rate

Thief River Falls Veterans by Education

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67.7%

Labor Force Participation

66.5%

Employment Rate

1.9%

Unemployment Rate

Thief River Falls Employment by Age

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Thief River Falls Employment by Race

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Thief River Falls Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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67.45%

Born in Thief River Falls

97.83%

Native Born

2.17%

Foreign Born

1.26%

Non Citizen

0.91%

Naturalized

Place of Birth

97.83% of Thief River Falls residents were born in the United States, with 67.45% having been born in Minnesota. 1.26% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Thief River Falls Place of Birth

Year Population Growth Annual Growth Rate
20218,884280.32%
20208,856280.32%
20198,828280.32%
20188,800-4-0.05%
20178,804210.24%
20168,783200.23%
20158,763750.86%
20148,688-53-0.61%
20138,74190.10%
20128,732310.36%
20118,701570.66%
20108,6442340.27%
20008,4104000.49%
19908,010-1,095-1.27%
19809,1054870.55%
19708,6181,4671.88%
19607,1512250.32%
19506,9269071.41%
19406,0191,7513.50%
19304,268-417-0.93%
19204,6859712.35%
19103,7140.00%

Thief River Falls Population by Year