Martin County, Minnesota ZIP codes
11 ZIP codes are in Martin County, plus 4 that cross in from neighboring counties. It's part of the Fairmont, MN micro area.
- ZIP codes
- 11
- Population in these ZIPs
- 20,193
- Avg. median income
- $59,900population-weighted
- Cities & towns
- 11
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Martin County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 56031 | Fairmont | 11,665 | $54,847 | $198,000 |
| 56039 | Granada | 880 | $84,342 | $348,700 |
| 56075 | Northrop | 176 | $73,750 | $121,400 |
| 56088 | Truman | 2,071 | $71,354 | $212,400 |
| 56121 | Ceylon | 590 | $49,042 | $163,300 |
| 56127 | Dunnell | 474 | $42,292 | $341,800 |
| 56160 | Odin | 224 | $66,667 | $94,200 |
| 56162 | Ormsby | 313 | $88,625 | $255,600 |
| 56171 | Sherburn | 1,632 | $72,554 | $240,600 |
| 56176 | Trimont | 888 | $59,125 | $218,700 |
| 56181 | Welcome | 1,280 | $55,750 | $226,000 |
ZIP codes partly in Martin County
These ZIP codes are mostly in a neighboring county but cover part of Martin County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 56013 | Blue Earth | Faribault County | 4,535 | $71,553 | $179,700 |
| 56027 | Elmore | Faribault County | 692 | $49,954 | $82,300 |
| 56098 | Winnebago | Faribault County | 1,970 | $69,000 | $178,600 |
| 56111 | Alpha | Jackson County | 356 | $98,125 | $104,800 |
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 Martin County
Nearby counties
Frequently asked questions
How many ZIP codes are in Martin County, Minnesota?
11 ZIP codes are mainly in Martin County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Martin County?
ZIP codes in Martin County use the city names Ceylon, Dunnell, Fairmont, Granada, Northrop, Odin, Ormsby, Sherburn, Trimont, Truman and Welcome.
What metro area is Martin County in?
Martin County is part of the Fairmont, MN micropolitan statistical area.