Otter Tail County, Minnesota

Otter Tail County
The Otter Tail County Courthouse in Fergus Falls
Location within the U.S. state of Minnesota
Minnesota's location within the U.S.
Coordinates: 46°24′21″N 95°42′52″W / 46.405727°N 95.714581°W / 46.405727; -95.714581
Country United States
State Minnesota
FoundedMarch 18, 1858 (created)
September 12, 1868 (organized)
Named afterOtter Tail Lake and Otter Tail River
SeatFergus Falls
Largest cityFergus Falls
Area
  Total
2,224.328 sq mi (5,760.98 km2)
  Land1,971.635 sq mi (5,106.51 km2)
  Water252.693 sq mi (654.47 km2)  11.36%
Population
 (2020)
  Total
60,081
  Estimate 
(2024)
60,884
  Density30.873/sq mi (11.920/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Area code218
Congressional district7th
Websiteottertailcounty.gov

Otter Tail County is a county in the U.S. state of Minnesota. As of the 2020 census, the population was 60,081, and was estimated to be 60,884 in 2024. The county seat and the largest city is Fergus Falls.

Otter Tail County comprises the Fergus Falls micropolitan statistical area. With 1,048 lakes in its borders, Otter Tail County has more lakes than any other county in the United States.