
Blue Earth
- County:
- Faribault County
- County Seat:
- Yes
- Area (mi²):
- 3.318
- State:
- Minnesota
Blue Earth is a city located in Faribault County, Minnesota. Blue Earth has a 2025 population of 3,158. It is also the county seat of Faribault County. Blue Earth is currently declining at a rate of -0.06% annually and its population has decreased by -0.38% since the most recent census, which recorded a population of 3,170 in 2020.
The average household income in Blue Earth is $77,002 with a poverty rate of 13.17%. The median age in Blue Earth is 45 years: 38.9 years for males, and 52.3 years for females.