Founded in 1843, Marquette County is one of 83 counties in the state of Michigan. Historically, Marquette County was formed from parts of Chippewa County and Mackinac County. The city of Marquette is the county seat. With FIPS code of 103, Marquette County has a population of 66,103 and area of 3,425 square miles (8,871 km2).
List of all cities in Marquette County, MI alphabetically
| City/Town | Postal Code | Area Code |
| Arnold, MI | 49819 | 906 |
| Big Bay, MI | 49808 | 906 |
| Champion, MI | 49814 | 906 |
| Cornell, MI | 49819 | 906 |
| Gwinn, MI | 49841 | 906 |
| Harvey, MI | 49855 | 906 |
| Ishpeming, MI | 49849 | 906 |
| 49865 | 906 | |
| Little Lake, MI | 49833 | 906 |
| Marquette, MI | 49855 | 906 |
| Michigamme, MI | 49861 | 906 |
| National Mine, MI | 49865 | 906 |
| Negaunee, MI | 49866 | 906 |
| Palmer, MI | 49871 | 906 |
| Princeton, MI | 49841 | 906 |
| Republic, MI | 49879 | 906 |
| Skandia, MI | 49885 | 906 |