There are 10 cities in Alger County, Michigan.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Munising township | 1 | 2,800 | 2,877 | -0.14% | 14 | 202.2 | Township |
| Munising | 2 | 1,960 | 1,972 | -0.15% | 373 | 5.3 | City |
| Rock River township | 3 | 1,239 | 1,242 | -0.16% | 15 | 80.7 | Township |
| Au Train township | 4 | 1,021 | 1,023 | -0.1% | 7 | 141.3 | Township |
| Mathias township | 5 | 528 | 531 | -0.38% | 7 | 70.7 | Township |
| Burt township | 6 | 404 | 406 | -0.25% | 2 | 230.5 | Township |
| Limestone township | 7 | 388 | 389 | -0.26% | 5 | 74.2 | Township |
| Onota township | 8 | 371 | 370 | 0% | 4 | 87.7 | Township |
| Chatham | 9 | 215 | 217 | -0.46% | 88 | 2.5 | Village |
| Grand Island township | 10 | 32 | 32 | 0% | 1 | 22.5 | Township |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Munising township is the largest city in Alger County.
Grand Island township is the smallest city in Alger County.
There are 10 cities in Alger County, Michigan.