Clay County
Also known as Clay County, Minnesota, Clay County, MN
county in Minnesota, United States
Key facts
- Country
- United States
- State
- Minnesota
- Founded
- March 8, 1862 (created), February 27, 1872 (organized)
- Named after
- Henry Clay
- Seat
- Moorhead
- Largest city
- Moorhead
- Total
- 1,052.629 sq mi (2,726.30 km )
- Land
- 1,045.176 sq mi (2,706.99 km )
- Water
- 7.453 sq mi (19.30 km ) 0.71%
- Estimate 2025
- 67,734
- Density
- 64.8/sq mi (25.0/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
~10 min read
Article
Clay County is a county in the U.S. state of Minnesota. As of the 2020 census, the population was 65,318, and was estimated to be 67,734 in 2025. Its county seat is Moorhead.
Clay County is part of the Fargo, ND-MN Metropolitan Statistical Area.