20 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Marquette | 1 | 22,197 | 21,140 | 0.8% | 1,958 | 11 | City |
| Forsyth | 2 | 6,340 | 6,189 | 0.33% | 36 | 178 | Township |
| Ishpeming | 3 | 6,237 | 6,146 | 0.24% | 713 | 9 | City |
| Chocolay charter | 4 | 6,064 | 5,905 | 0.38% | 103 | 59 | Township |
| Negaunee | 5 | 4,700 | 4,628 | 0.26% | 350 | 13 | City |
| Marquette charter | 6 | 4,237 | 4,142 | 0.33% | 77 | 55 | Township |
| Ishpeming | 7 | 3,457 | 3,390 | 0.23% | 40 | 86 | Township |
| Negaunee | 8 | 3,309 | 3,234 | 0.36% | 79 | 42 | Township |
| Sands | 9 | 2,383 | 2,307 | 0.51% | 36 | 66 | Township |
| Ely | 10 | 1,963 | 1,908 | 0.41% | 14 | 137 | Township |
| Tilden | 11 | 1,077 | 1,039 | 0.56% | 12 | 90 | Township |
| Republic | 12 | 1,014 | 994 | 0.3% | 9 | 111 | Township |
| Skandia | 13 | 839 | 815 | 0.36% | 12 | 72 | Township |
| Powell | 14 | 757 | 736 | 0.4% | 5 | 154 | Township |
| Marquette | 15 | 643 | 612 | 1.42% | 7 | 97 | Township |
| Humboldt | 16 | 422 | 415 | 0% | 5 | 93 | Township |
| Michigamme | 17 | 338 | 329 | 0.6% | 3 | 133 | Township |
| Champion | 18 | 250 | 246 | 0% | 2 | 121 | Township |
| Ewing | 19 | 154 | 151 | 0% | 3 | 48 | Township |
| Turin | 20 | 115 | 112 | 0% | 1 | 84 | Township |
Marquette is the largest city in Marquette County, with a population of 22,197.
Turin is the smallest city in Marquette County, with a population of 115.
There are 20 cities in Marquette County, Michigan.