Aitkin County, Minnesota ZIP codes
9 ZIP codes are in Aitkin County, plus 3 that cross in from neighboring counties.
- ZIP codes
- 9
- Population in these ZIPs
- 19,144
- Avg. median income
- $64,100population-weighted
- Cities & towns
- 9
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ZIP codes in Aitkin County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 55748 | Hill City | 1,374 | $53,810 | $191,500 |
| 55752 | Jacobson | 446 | $73,214 | $211,900 |
| 55760 | Mcgregor | 2,894 | $59,474 | $281,200 |
| 55785 | Swatara | 271 | $56,477 | $181,500 |
| 55787 | Tamarack | 621 | $66,111 | $220,200 |
| 56342 | Isle | 2,788 | $63,295 | $299,000 |
| 56350 | Mc Grath | 471 | $41,667 | $205,100 |
| 56431 | Aitkin | 9,312 | $67,828 | $320,300 |
| 56469 | Palisade | 967 | $66,042 | $265,900 |
ZIP codes partly in Aitkin County
These ZIP codes are mostly in a neighboring county but cover part of Aitkin County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 55735 | Finlayson | Pine County | 1,814 | $63,827 | $275,300 |
| 55783 | Sturgeon Lake | Pine County | 2,639 | $82,421 | $272,200 |
| 55798 | Wright | Carlton County | 627 | $78,438 | $236,400 |
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 Aitkin County
Nearby counties
Frequently asked questions
How many ZIP codes are in Aitkin County, Minnesota?
9 ZIP codes are mainly in Aitkin County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Aitkin County?
ZIP codes in Aitkin County use the city names Aitkin, Hill City, Isle, Jacobson, Mc Grath, Mcgregor, Palisade, Swatara and Tamarack.