Otter Tail County, Minnesota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 17th-largest in Minnesota
The population of Otter Tail County, Minnesota is 60,281 as of the 2023 American Community Survey, making it the 17th-largest county in Minnesota. The median household income is $70,912, the median home value is $252,500, and the median age is 46.3.
The population of Otter Tail County has grown 6.3% since 2010 (57,291 → 60,884), a +0.44% annualized rate.
60,281
Population
+0.44%
Annual growth
31
People / sq mi
$70,912
Median Income
$252,500
Median Home Value
Otter Tail County covers 1,972 sq mi of land at 30.6 people per square mile.
About Otter Tail County, MN
Otter Tail County is a county in Minnesota with a population of 60,281. It ranks #17 among counties in Minnesota by population. The median age is 46.3, older than the national median. The population is 50.5% male and 49.5% female.
The median household income in Otter Tail County is $70,912, near the US median of $74,580. 5.0% of residents live below the federal poverty level. Home values sit at a median of $252,500, with monthly rent averaging $805. The homeownership rate of 79.2% is higher than the national rate of 64.8%.
Educational attainment in Otter Tail County reflects 27.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 10.9% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.3 minutes each way.
Otter Tail County Population History (2010-2024)
The county of Otter Tail County had a population of 57,291 in 2010 and 60,884 in 2024, a 6.3% growth over 14 years. The peak was 60,884 in 2024. Average annual growth rate: 0.44%.
60,884
Population (2024)
57,291
Population (2010)
60,884
Peak (2024)
0.44%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 57,291 |
| 2011 | 57,283 |
| 2012 | 57,227 |
| 2013 | 57,503 |
| 2014 | 57,496 |
| 2015 | 57,539 |
| 2016 | 57,840 |
| 2017 | 58,213 |
| 2018 | 58,602 |
| 2019 | 58,684 |
| 2020 | 60,068 |
| 2021 | 60,206 |
| 2022 | 60,530 |
| 2023 | 60,687 |
| 2024 | 60,884 |
Race & Ethnicity
| White | 91.8% |
| Black or African American | 1.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
46.3
Median Age
49.5%
Female
50.5%
Male
24.8%
Age 65+
Age Distribution
Children (under 15): 18.0% · Seniors (65+): 24.8%
Income & Poverty
| Median household income | $70,912$-16,644 vs state |
| Mean household income | $90,657 |
| Per-capita income | $38,723 |
| Poverty rate | 5.0%-0.5% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 58.0% |
Top Industries by Employment
The largest employment sector in Otter Tail County is professional & business services, accounting for 25.3% of workers.
How residents commute
0.7%
Drive alone
3.1%
Carpool
74.5%
Public transit
10.9%
Work from home
21.3 min
Avg commute
Housing
$252,500$-53,000 vs state
Median home value
$805
Median rent
79.2%
Homeownership rate
36,669
Total housing units
68.7%
Occupied
31.3%
Vacant
20.8%
Renter-occupied
Social & access
94.4%
With health insurance
92.8%
With broadband internet
26.0%
Foreign-born
8.1%
Veterans (18+)
14.2%
With a disability
95.7%
Speak language other than English at home
Education
94.0%
High School+
27.4%
Bachelor's+
Largest cities in Minnesota
Other counties in Minnesota
Part of Minnesota
Metro areas in Minnesota
County rankings
Frequently Asked Questions
Otter Tail County, Minnesota has a population of 60,281 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 17th-largest county in Minnesota. Population density is 31 people per square mile.
The population of Otter Tail County has grown 6.3% since 2010 (57,291 → 60,884), a +0.44% annualized rate.
The median household income in Otter Tail County, Minnesota is $70,912, with mean (average) household income of $90,657 and per-capita income of $38,723. 5.0% of residents live below the federal poverty level.
In Otter Tail County, the largest racial and ethnic groups are White (91.8%), Hispanic or Latino (1.2%), Black or African American (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Otter Tail County, Minnesota is 46.3 years. Residents are 49.5% female and 50.5% male.
The median home value in Otter Tail County is $252,500 and median monthly rent is $805. 79.2% of occupied housing units are owner-occupied. The county has 36,669 total housing units, 31.3% of which are vacant.
The largest employment sector in Otter Tail County, Minnesota is professional, scientific, and management services, employing 25.3% of workers. The unemployment rate is 3.1%.
Minneapolis is among the largest cities associated with Otter Tail County, Minnesota, with a population of 426,845.
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Population, race, income, age, and trends across Minnesota
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.