Blue Earth County, Minnesota ZIP codes
13 ZIP codes are in Blue Earth County, plus 8 that cross in from neighboring counties. It's part of the Mankato, MN metro area.
- ZIP codes
- 13
- Population in these ZIPs
- 70,803
- Avg. median income
- $75,500population-weighted
- Cities & towns
- 12
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Blue Earth County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 56001 | Mankato | 51,585 | $69,531 | $300,200 |
| 56002 PO Box | Mankato | — | — | — |
| 56010 | Amboy | 1,159 | $80,156 | $244,100 |
| 56024 | Eagle Lake | 3,647 | $95,357 | $338,700 |
| 56034 | Garden City | 393 | $98,750 | $296,500 |
| 56037 | Good Thunder | 1,374 | $78,750 | $325,600 |
| 56055 | Lake Crystal | 3,898 | $90,987 | $286,000 |
| 56063 | Madison Lake | 3,221 | $102,391 | $453,400 |
| 56065 | Mapleton | 2,766 | $92,933 | $262,100 |
| 56068 | Minnesota Lake | 1,041 | $74,250 | $215,200 |
| 56078 | Pemberton | 451 | $80,208 | $249,700 |
| 56080 | Saint Clair | 672 | $105,398 | $245,500 |
| 56090 | Vernon Center | 596 | $73,750 | $231,400 |
ZIP codes partly in Blue Earth County
These ZIP codes are mostly in a neighboring county but cover part of Blue Earth County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 56003 | Mankato | Nicollet County | 15,258 | $82,538 | $320,100 |
| 56041 | Hanska | Brown County | 1,039 | $80,833 | $314,800 |
| 56048 | Janesville | Waseca County | 4,025 | $85,532 | $293,300 |
| 56050 | Kasota | Le Sueur County | 1,306 | $90,000 | $351,800 |
| 56060 | Lewisville | Watonwan County | 400 | $80,093 | $169,800 |
| 56062 | Madelia | Watonwan County | 3,234 | $76,713 | $205,600 |
| 56073 | New Ulm | Brown County | 17,339 | $70,250 | $250,600 |
| 56088 | Truman | Martin County | 2,071 | $71,354 | $212,400 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Blue Earth County
Nearby counties
Frequently asked questions
How many ZIP codes are in Blue Earth County, Minnesota?
13 ZIP codes are mainly in Blue Earth County, and 8 more ZIP codes from neighboring areas reach partly into it.
What cities are in Blue Earth County?
ZIP codes in Blue Earth County use the city names Amboy, Eagle Lake, Garden City, Good Thunder, Lake Crystal, Madison Lake, Mankato, Mapleton, Minnesota Lake, Pemberton, Saint Clair and Vernon Center.
What metro area is Blue Earth County in?
Blue Earth County is part of the Mankato, MN metropolitan statistical area.