County ProfileMN
Blue Earth County
Population: 69,112 · 13 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
69,112
People
Median age
31.6
Housing
Total households
27,606
Income
Median household income
$74,477
Housing
Total housing units
29,864
Employment
Employment rate
65.9%
Education
Bachelor’s degree or higher
34.2%
Healthcare
Insured population
95.7%
County details
Local time 02:18:11(CT)| Name | Blue Earth |
|---|---|
| Total ZIP codes | 13total |
| ZIP codes (by type) | 11 Standard2 PO Box |
| Area code | 507 |
| Timezone | Central Time (CT) |
| Coordinates | 44.0337104, -94.0640122 |
| Land area | 747.8 sq miles(1,936.9 km²) |
Map of Blue Earth county, Minnesota with ZIP codes
Cities and Communities in Blue Earth County
Compare the largest cities in Blue Earth County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Mankato | 44,488 | $66,873 | 3ZIPs |
| Eagle Lake | 3,278 | $96,964 | 1ZIPs |
| Lake Crystal | 2,539 | $83,317 | 1ZIPs |
| Mapleton | 1,710 | $80,909 | 1ZIPs |
| Madison Lake | 1,247 | $87,727 | 1ZIPs |
| Saint Clair | 750 | $106,136 | 1ZIPs |
| Good Thunder | 560 | $81,667 | 1ZIPs |
| Amboy | 535 | $69,844 | 1ZIPs |
| Garden City | 339 | $81,250 | 1ZIPs |
| Vernon Center | 328 | $70,000 | 1ZIPs |
| Pemberton | 229 | $50,417 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Blue Earth County
Review the most populated postal areas across Blue Earth County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 56001 | Mankato | $69,531 | 50,729 |
| 56003 | Mankato | $82,538 | 15,221 |
| 56055 | Lake Crystal | $90,987 | 3,916 |
| 56024 | Eagle Lake | $95,357 | 3,580 |
| 56063 | Madison Lake | $102,391 | 2,945 |
| 56065 | Mapleton | $92,933 | 2,698 |
| 56037 | Good Thunder | $78,750 | 1,589 |
| 56010 | Amboy | $80,156 | 1,046 |
| 56080 | Saint Clair | $105,398 | 727 |
| 56034 | Garden City | $98,750 | 609 |
| 56090 | Vernon Center | $73,750 | 603 |
| 56078 | Pemberton | $80,208 | 454 |
| 56002 | Mankato | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS