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
The poverty rate is what most separates Otter Tail County from the typical county: 5.0% of residents live below the federal poverty line, against 12.4% nationally. Otter Tail County is a county in Minnesota with a population of 60,281. It ranks #17 among counties in Minnesota by population.
Household earnings are middling, with a median of $70,912 — below the US median of $78,538. The poverty rate, 5.0%, is on the lower side for US counties and below the national 12.4%. The median home value is $252,500, with typical rent around $805.
About 27.4% of adults 25 and older have a bachelor’s degree, below the 35.0% national figure. Remote work is on the higher side at 10.9%, below the national 14.0%, and the average commute runs about 21 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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Statewide data for Minnesota
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.