Keweenaw County, MI ZIP codes
Keweenaw County, MI has 4 ZIP codes, in 4 towns: 49950, 49805, 49901 and 49918. 1 more crosses into it from a neighbouring county: 49945.
The county seat is Eagle River.
- ZIP codes
- 4
- Partly in it
- 1 more
- Towns
- 4
- County seat
- Eagle River
- County FIPS
26083- State
- Michigan
- Population
- 2,133
- Median household income
- $52,583
- Land area
- 540 sq mi
- Metro area
- Houghton
Keweenaw County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Keweenaw County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Keweenaw County.
- 49945 Lake Linden · mostly in Houghton County
Map of Keweenaw County ZIP codes
The ZIP codes of Keweenaw County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Keweenaw County in numbers
About 2,133 people live in Keweenaw County, in 1,135 households, the 83rd most populous of Michigan's 83 counties. The median household income is $52,583 a year, 28% below the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $169,800 (27% below the Michigan median), and median gross rent is $688 a month. The median age is 57.1; 41.2% of adults 25 and over hold a bachelor's degree or higher (32.4% across Michigan); the average commute takes 22 minutes.
| Population | 2,133 |
|---|---|
| Households | 1,135 |
| Median age | 57.1 |
| Median household income | $52,583 |
| Median home value | $169,800 |
| Median gross rent | $688 |
| Bachelor's degree or higher | 41.2% |
| Mean commute | 21.6 min |
| Population density | 4 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Keweenaw County
| Town | ZIP codes | Population |
|---|---|---|
| Allouez | 1 | 365 |
| Mohawk | 1 | 264 |
| Copper Harbor | 1 | 163 |
| Ahmeek | 1 | 93 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Keweenaw County.
Not sure you are in Keweenaw County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Keweenaw County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
49805 | Allouez , MI | Standard | 365 | $43,819 | $102,800 |
49901 | Ahmeek , MI | Standard | 217 | $47,639 | $85,000 |
49918 | Copper Harbor , MI | Standard | 163 | $67,188 | $268,800 |
49950 | Mohawk , MI | Standard | 1,062 | $53,250 | $235,000 |
Cite this page
zipcodes.pro. “Keweenaw County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mi/county/keweenaw
Underlying data is public domain or openly licensed — sources, vintages and licences.