
Nicollet County
- State:
- Minnesota
- County Seat:
- Saint Peter
Nicollet County's estimated 2025 population is 34,040 with a growth rate of -0.3% in the past year according to the most recent United States census data. Nicollet County is the 33rd largest county in Minnesota. The 2010 population was 32,758 and has seen a growth of 3.91% since that time.