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 | |
| Country | United States | 
| State | Minnesota | 
| Founded | March 5, 1853 | 
| Named after | Joseph Nicolas Nicollet | 
| Seat | St. Peter | 
| Largest city | North Mankato | 
| Area | |
|  • Total | 467 sq mi (1,210 km2) | 
| • Land | 448 sq mi (1,160 km2) | 
| • Water | 18 sq mi (50 km2) 3.9% | 
| Population  (2020) | |
|  • Total | 34,454 | 
|  • Estimate  (2023) | 34,242 | 
| • Density | 76.9/sq mi (29.7/km2) | 
| Time zone | UTC−6 (Central) | 
| • Summer (DST) | UTC−5 (CDT) | 
| Congressional district | 1st | 
| Website | www | 
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.