21 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lincoln township | 1 | 2,605 | 2,504 | 0.85% | 112 | 23.26 | Township |
| Greenbush township | 2 | 2,141 | 2,141 | -0.05% | 61 | 35.18 | Township |
| Lincoln township | 3 | 2,102 | 2,077 | 0% | 58 | 36.12 | Township |
| Lincoln township | 4 | 1,828 | 1,804 | 0% | 52 | 35.08 | Township |
| Au Sable | 5 | 1,733 | 1,619 | 1.29% | 824 | 2.10 | CDP |
| Lincoln township | 6 | 1,515 | 1,469 | 0.4% | 43 | 35.14 | Township |
| Harrisville township | 7 | 1,363 | 1,304 | 0.81% | 45 | 30.32 | Township |
| Greenbush township | 8 | 1,331 | 1,278 | 0.76% | 53 | 24.92 | Township |
| Lincoln township | 9 | 1,330 | 1,299 | 0.68% | 38 | 35.13 | Township |
| Hawes township | 10 | 1,120 | 1,075 | 0.72% | 16 | 69.96 | Township |
| Alcona township | 11 | 1,008 | 967 | 0.8% | 18 | 57.49 | Township |
| Lincoln township | 12 | 955 | 944 | 0.21% | 46 | 20.97 | Township |
| Mikado township | 13 | 898 | 854 | 1.01% | 13 | 71.35 | Township |
| Gustin township | 14 | 812 | 771 | 1% | 23 | 35.69 | Township |
| Lincoln township | 15 | 710 | 729 | -0.7% | 20 | 35.48 | Township |
| Haynes township | 16 | 687 | 658 | 0.73% | 20 | 34.93 | Township |
| Harrisville | 17 | 454 | 438 | 0.67% | 718 | 0.63 | City |
| Millen township | 18 | 383 | 363 | 1.06% | 5 | 70.78 | Township |
| Mitchell township | 19 | 373 | 351 | 1.08% | 3 | 142.56 | Township |
| Lost Lake Woods | 20 | 353 | 386 | 0.86% | 70 | 5.05 | CDP |
| Lincoln | 21 | 304 | 289 | 1% | 369 | 0.82 | Village |
Lincoln township is the largest city in Alcona County, with a population of 2,605.
Lincoln is the smallest city in Alcona County.
There are 21 cities in Alcona County, Michigan.