| Name | Blue Earth County |
| State | Minnesota |
| FIPS Code | 27013 |
| County Seat | Mankato |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 70,396 |
| Population Growth Rate(2020-2024) | 1.84% |
| Majority Ethnicity | White 88% |
| Public School Majority Ethnicity | White 76% |
| Partisan Voting Index | Republican:+0 |
| Unemployment Rate (May 2026) | 4.5% |
| Sales Tax Rate (2025) | 7.38% |
| Area Code(s) | 507 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 88% |
| African American | 4.64% |
| Hispanic | 4.75% |
| Asian | 2.39% |
| Native American | 0.21% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 75.62% |
| African American | 10.16% |
| Hispanic | 6.78% |
| Asian | 1.63% |
| Native American | 0.53% |
| Hawaiin/Pacific Islander | 0.19% |