| County : | Blue Earth County |
| State : | Minnesota (MN) |
| Land Area : | 747.84 sq mi |
| Water Area : | 17.75 sq mi |
| Latitude : | 44.0382246 |
| Longitude : | -94.0640707 |
| Population (2010): | 64,013 |
| Population Estimate (2012) : | 63,991 |
| Population Density : | 85.60/sq mi |
| Housing Units (2012) : | 26,202 |
| Median Household Income (2012) : | $49,306 (Minnesota : $59,126, USA : $53,046) |
| Median Family Income (2012) : | $66,222 (Minnesota : $74,032, USA : $64,585) |
| Median House Price (2012) : | $161,700 (Minnesota : $194,300, USA : $181,400) |
Blue Earth County Cities / Towns
| Amboy City (534) | Eagle Lake City (2,422) | Garden City (255) |
| Good Thunder City (583) | Lake Crystal City (2,549) | Madison Lake City (1,017) |
| Mankato City (39,309) | Mapleton City (1,756) | Minnesota Lake City (687) |
| Pemberton City (247) | St. Clair City (868) | Skyline City (289) |
| Vernon Center City (332) |
Blue Earth County Zip Codes
| 56001 (46,327) | 56010 (1,129) | 56024 (2,759) |
| 56034 (496) | 56037 (1,635) | 56048 (3,898) |
| 56055 (3,902) | 56062 (3,208) | 56063 (2,724) |
| 56065 (2,844) | 56068 (1,087) | 56073 (16,759) |
| 56078 (476) | 56080 (770) | 56088 (1,946) |
| 56090 (694) |