Founded in 1885, Alger County is one of 83 counties in the state of Michigan. Historically, Alger County was formed from part of Schoolcraft County. The city of Munising is the county seat. With FIPS code of 3, Alger County has a population of 8,821 and area of 5,049 square miles (13,077 km2).
List of all cities in Alger County, MI alphabetically
| City/Town | Postal Code | Area Code |
| Au Train, MI | 49806 | 906 |
| Chatham, MI | 49816 | 906 |
| Christmas, MI | 49862 | 906 |
| Deerton, MI | 49822 | 906 |
| Eben Jct, MI | 49825 | 906 |
| Eben Junction, MI | 49825 | 906 |
| 49826 | 906 | |
| Forest Lake, MI | 49862 | 906 |
| Grand Marais, MI | 49839 | 906 |
| Limestone, MI | 49816 | 906 |
| Munising, MI | 49862 | 906 |
| Rumely, MI | 49826 | 906 |
| Shingleton, MI | 49884 | 906 |
| Traunik, MI | 49891 | 906 |
| Trenary, MI | 49891 | 906 |
| Wetmore, MI | 49895 | 906 |