Otter Tail County
Sign in to savecounty in Minnesota, United States
Key facts
- Country
- United States
- State
- Minnesota
- Founded
- March 18, 1858 (created), September 12, 1868 (organized)
- Named after
- Otter Tail Lake and Otter Tail River
- Seat
- Fergus Falls
- Largest city
- Fergus Falls
- Total
- 2,224.328 sq mi (5,760.98 km )
- Land
- 1,971.635 sq mi (5,106.51 km )
- Water
- 252.693 sq mi (654.47 km ) 11.36%
- Estimate 2025
- 61,041
- Density
- 31/sq mi (12/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- 7th
- Website
- ottertailcounty.gov
via Wikipedia infobox
Article
Otter Tail County is a county in the U.S. state of Minnesota. As of the 2020 census, the population was 60,081, and it was estimated at 61,041 in 2025. The county seat and the largest city is Fergus Falls.
Otter Tail County comprises the Fergus Falls micropolitan statistical area. With 1,048, Otter Tail County has more lakes than any other county in the United States.