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Otter Tail County, Minnesota

Otter Tail County profile, demographic data, and geographic information.

Otter Tail County is a county located in Minnesota, United States of America. As of official census estimates, it has a reported population of 61,041. The land area covers 1,971.64 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Otter Tail County
Official Title: County Auditor
Address: 510 W FIR AVE, FERGUS FALLS MN 56537-1364

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 61,041 — 2025 / Census
Median Age 46.2 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 25,157 ±375 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 36,698 ±91
Occupied Housing Units 25,157 ±375
Vacant Housing Units 11,541 ±352
Median Home Value $273,000 ±$6,397
Median Gross Rent $868 ±$63
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $72,255 ±$2,093
Per Capita Income $39,580 ±$838
Poverty Rate 8.7% ±0.9%
Population Below Poverty Level 5,187 ±547
Unemployment Rate 4.8% ±0.7%
Civilian Labor Force, Employed 28,254 ±492
Broadband Internet Rate 87.7% ±1%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at OTTERTAIL, MN US, located 8.0 miles from Otter Tail County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 17.4° -2.0° 7.7° 0.62" —
February 23.4° 1.6° 12.5° 0.62" —
March 35.9° 15.1° 25.5° 1.24" —
April 51.6° 29.7° 40.6° 2.23" —
May 64.8° 44.2° 54.5° 3.43" —
June 74.5° 55.8° 65.1° 4.76" —
July 78.6° 60.2° 69.4° 4.27" —
August 77.3° 58.7° 68.0° 3.29" —
September 68.9° 49.0° 58.9° 3.16" —
October 53.8° 35.4° 44.6° 2.69" —
November 36.6° 21.3° 29.0° 1.07" —
December 23.4° 7.1° 15.2° 0.79" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 27111. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.