| ZIP Codes: | 4 ZIP Codes (2 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Code: | 906 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:32 PM |
| Population: | 1,807 [See All] |
| FIPS: | 26083 |
| CBSA: | Houghton, MI |
| Land Area: | 282 sq mi |
| Water Area: | 16 sq mi |
| Coordinates: | 47.3582, -88.2034 |
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1,807 residents live across 4 ZIPs covering 282 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 1,985 to 1,807 from 2014 to 2024 — a -9.0% change. 2 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 49918 (Copper Harbor, $67,188 median) and poorest ZIP 49805 (Allouez, $43,819) are 24.8 miles apart — a 1.5× income gap across local geography.
Median home values vary 3.2× across this county — from $85,000 in 49901 (Ahmeek) to $268,800 in 49918 (Copper Harbor).
Density varies 58× across the county — from 4 people/sq mi in 49950 (Mohawk) to 260 in 49901 (Ahmeek).
Educational attainment ranges from 19.8% bachelor's+ in 49901 (Ahmeek) to 71.8% in 49918 (Copper Harbor) — the breadth of educational profiles across the area.
Within Michigan, this is the #83 most populous of 83 counties and ranks #75 for median household income .
Weighted by population, the typical household earns about $51,928 across the county — reflecting what a typical resident sees, not a simple ZIP average.
41.0% of adults age 25+ hold a bachelor's degree or higher (614 of 1,499 reporting).
2 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
Keweenaw County lost 9.0% of residents between 2014 and 2024. ZIPs that shed the largest share: