County ZIP codes · Minnesota · FIPS 27167
Wilkin County, MN ZIP Codes
Wilkin County, Minnesota has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 7 of the residential ones lie mainly in Wilkin County and 4 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $64,792 in 56520 (Breckenridge) to $100,845 in 56514 (Barnesville) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Wilkin County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $64,792 and $89,583.
They carry 11 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 11 residential ZIP codes in Wilkin County
7 ZIP codes lie mainly in Wilkin County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 56520 | Breckenridge | 3,852 | 31 | $65k | $167k | 100% |
| 56579 | Rothsay | 1,050 | 5 | $90k | $236k | 73% |
| 56522 | Campbell | 604 | 4 | $82k | $163k | 88% |
| 56594 | Wolverton | 442 | 5 | $96k | $219k | 100% |
| 56553 | Kent | 261 | 4 | $67k | $119k | 100% |
| 56543 | Foxhome | 222 | 3 | $90k | $180k | 100% |
| 56565 | Nashua | 83 | 3 | $54k | – | 75% |
Partly in Wilkin County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
7 ZIP codes of Wilkin County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Wilkin | Elsewhere |
|---|---|---|
| 56560 | 1% | Clay County 99% |
| 56514 | 36% | Clay County 62%; Otter Tail County 2% |
| 56579 | 73% | Otter Tail County 27% |
| 56522 | 88% | Otter Tail County 12% |
| 58030 | 1% | Richland County 99% |
| 56583 | 28% | Traverse County 72% |
| 56565 | 75% | Grant County 25% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Wilkin County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Wilkin County's ZIP codes use 2 prefixes: 565 and 580.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.