| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Muskegon | 1 | 37,233 | 37,210 | 0.02% | 2,633 | 14 | City |
| Norton Shores | 2 | 25,095 | 25,020 | 0.03% | 1,080 | 23 | City |
| Muskegon | 3 | 17,995 | 17,606 | 0.47% | 767 | 23 | Township |
| Fruitport | 4 | 15,888 | 14,612 | 1.42% | 530 | 30 | Township |
| Egelston | 5 | 11,507 | 11,123 | 0.54% | 347 | 33 | Township |
| Muskegon Heights | 6 | 9,743 | 9,909 | -0.28% | 3,059 | 3 | City |
| Dalton | 7 | 9,696 | 9,451 | 0.47% | 275 | 35 | Township |
| Laketon | 8 | 7,740 | 7,628 | 0.25% | 444 | 17 | Township |
| Fruitland | 9 | 6,003 | 5,781 | 0.81% | 166 | 36 | Township |
| Roosevelt Park | 10 | 4,111 | 4,167 | -0.24% | 4,003 | 1 | City |
| North Muskegon | 11 | 4,077 | 4,094 | -0.05% | 2,278 | 2 | City |
| Cedar Creek | 12 | 3,390 | 3,200 | 0.74% | 97 | 35 | Township |
| Whitehall | 13 | 3,256 | 2,920 | 1.59% | 1,012 | 3 | City |
| Ravenna | 14 | 3,061 | 2,956 | 0.53% | 85 | 36 | Township |
| Casnovia | 15 | 2,839 | 2,783 | 0.5% | 80 | 36 | Township |
| Sullivan | 16 | 2,762 | 2,550 | 1.36% | 115 | 24 | Township |
| Holton | 17 | 2,696 | 2,582 | 0.82% | 77 | 35 | Township |
| Blue Lake | 18 | 2,450 | 2,412 | 0% | 73 | 34 | Township |
| Montague | 19 | 2,425 | 2,419 | 0.04% | 923 | 3 | City |
| Whitehall | 20 | 1,805 | 1,766 | 0.39% | 198 | 9 | Township |
| Moorland | 21 | 1,793 | 1,641 | 1.47% | 50 | 36 | Township |
| Montague | 22 | 1,581 | 1,560 | 0.32% | 83 | 19 | Township |
| Ravenna | 23 | 1,423 | 1,338 | 0.99% | 1,195 | 1 | Village |
| White River | 24 | 1,413 | 1,393 | -0.21% | 89 | 16 | Township |
| Lakewood Club | 25 | 1,345 | 1,332 | 0% | 703 | 2 | Village |
| Fruitport | 26 | 1,190 | 1,103 | 1.19% | 1,312 | 1 | Village |
| Casnovia | 27 | 315 | 314 | 0% | 296 | 1 | Village |
Muskegon is the largest city in Muskegon County, with a population of 37,233.
Casnovia is the smallest city in Muskegon County, with a population of 315.
There are 27 cities in Muskegon County, Michigan.