
Cottage Grove
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 33.64
- State:
- Minnesota
Cottage Grove is a city located in Washington County, Minnesota. Cottage Grove has a 2025 population of 44,101. Cottage Grove is currently growing at a rate of 2.37% annually and its population has increased by 13.11% since the most recent census, which recorded a population of 38,988 in 2020.
The average household income in Cottage Grove is $137,657 with a poverty rate of 4.17%. The median age in Cottage Grove is 36.8 years: 36.9 years for males, and 36.8 years for females.