Nicollet County, Minnesota

Nicollet County
Nicollet County Courthouse
Location within the U.S. state of Minnesota
Minnesota's location within the U.S.
Coordinates: 44°20′N 94°15′W / 44.34°N 94.25°W / 44.34; -94.25
Country United States
State Minnesota
FoundedMarch 5, 1853
Named afterJoseph Nicolas Nicollet
SeatSt. Peter
Largest cityNorth Mankato
Area
  Total
467 sq mi (1,210 km2)
  Land448 sq mi (1,160 km2)
  Water18 sq mi (50 km2)  3.9%
Population
 (2020)
  Total
34,454
  Estimate 
(2023)
34,242
  Density76.9/sq mi (29.7/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitewww.co.nicollet.mn.us

Nicollet County (/ˈnɪkəlɪt/ NIH-kə-lit) is a county in the U.S. state of Minnesota. As of the 2020 census, the population was 34,454. Its county seat is St. Peter.

Nicollet County is part of the Mankato – North Mankato Metropolitan Statistical Area.