Keweenaw County Post Offices

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2 Vivian St
Ahmeek, Michigan 49901

78 Mohawk St
Mohawk, Michigan 49950

Keweenaw County

There are 2 US Post Offices in Keweenaw County serving a total of 1,467 residents equating to 734 residents per post office. It's estimated that approximately 2,341 packages are handled across the 2 county post offices annually. Keweenaw County is a county located in the Upper Peninsula of the U.S. state of Michigan, the northernmost county in the state. As of the 2010 census, the population was 2,156, making it the least populous county in Michigan. It is also the largest county in the state by total area (including waters of Lake Superior). The county seat is Eagle River. The county was set off and organized in 1861. It is believed that \"Keweenaw\" is a Native American word that means \"portage or place where portage is made\". Keweenaw County is included in the Houghton, Michigan, Micropolitan Statistical Area. Isle Royale, a national park which no longer has year-round inhabitants, was once a separate county but was incorporated into Keweenaw County in 1897."

Post Offices by ZIP Code

  • 49901 - Ahmeek MI
  • 49950 - Mohawk MI