57 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Velva | 1 | 1,015 | 1,092 | -1.46% | 1,053 | 0.96 | City |
| Towner | 2 | 444 | 479 | -1.55% | 537 | 0.83 | City |
| Drake | 3 | 268 | 290 | -1.47% | 136 | 1.97 | City |
| Velva township | 4 | 265 | 282 | -1.12% | 8 | 34.87 | Township |
| Granville | 5 | 219 | 233 | -1.35% | 691 | 0.32 | City |
| Anamoose | 6 | 212 | 224 | -0.93% | 340 | 0.62 | City |
| Norwich township | 7 | 138 | 145 | -0.72% | 4 | 35.62 | Township |
| Upham | 8 | 126 | 135 | -1.56% | 406 | 0.31 | City |
| Newport township | 9 | 102 | 101 | 0.99% | 3 | 35.72 | Township |
| Deering | 10 | 88 | 93 | -1.12% | 1,048 | 0.08 | City |
| North Prairie township | 11 | 86 | 89 | -1.15% | 2 | 35.82 | Township |
| Deering township | 12 | 85 | 88 | -1.16% | 2 | 35.93 | Township |
| Riga township | 13 | 85 | 87 | -1.16% | 2 | 34.88 | Township |
| Karlsruhe | 14 | 83 | 88 | -1.19% | 111 | 0.75 | City |
| Egg Creek township | 15 | 83 | 80 | 2.47% | 2 | 34.29 | Township |
| Granville township | 16 | 81 | 87 | -1.22% | 2 | 35.11 | Township |
| Lebanon township | 17 | 70 | 73 | -1.41% | 2 | 35.49 | Township |
| Brown township | 18 | 64 | 69 | -1.54% | 2 | 35.20 | Township |
| Denbigh township | 19 | 61 | 66 | -1.61% | 2 | 36.15 | Township |
| Kottke Valley township | 20 | 61 | 66 | -1.61% | 2 | 35.63 | Township |
| Berwick township | 21 | 59 | 64 | -1.67% | 2 | 36.11 | Township |
| Pratt township | 22 | 50 | 52 | 0% | 1 | 35.98 | Township |
| Hendrickson township | 23 | 49 | 51 | 0% | 1 | 36.08 | Township |
| Meadow township | 24 | 48 | 50 | 0% | 2 | 30.82 | Township |
| Normal township | 25 | 48 | 51 | -2.04% | 1 | 35.66 | Township |
| Lake Hester township | 26 | 47 | 49 | 0% | 1 | 35.67 | Township |
| Little Deep township | 27 | 47 | 49 | 0% | 1 | 36.29 | Township |
| Odin township | 28 | 47 | 49 | 0% | 1 | 34.41 | Township |
| Bantry township | 29 | 42 | 46 | -2.33% | 1 | 35.87 | Township |
| Voltaire | 30 | 41 | 45 | -2.38% | 84 | 0.49 | City |
| Schiller township | 31 | 39 | 43 | -2.5% | 1 | 35.42 | Township |
| Willow Creek township | 32 | 39 | 43 | -2.5% | 1 | 36.24 | Township |
| Deep River township | 33 | 38 | 42 | -2.56% | 1 | 36.07 | Township |
| Anamoose township | 34 | 37 | 41 | -2.63% | 1 | 35.05 | Township |
| Land township | 35 | 37 | 41 | -2.63% | 1 | 34.34 | Township |
| Spring Grove township | 36 | 36 | 40 | -2.7% | 1 | 32.13 | Township |
| Strege township | 37 | 35 | 39 | -2.78% | 1 | 35.28 | Township |
| Grilley township | 38 | 33 | 37 | -2.94% | 1 | 35.92 | Township |
| Bjornson township | 39 | 32 | 36 | -3.03% | 1 | 35.47 | Township |
| Karlsruhe township | 40 | 32 | 33 | 0% | 1 | 34.28 | Township |
| Layton township | 41 | 32 | 36 | -3.03% | 1 | 35.96 | Township |
| Rose Hill township | 42 | 32 | 33 | 0% | 1 | 35.81 | Township |
| Lake George township | 43 | 31 | 32 | 0% | 1 | 35.20 | Township |
| Olivia township | 44 | 31 | 35 | -3.13% | 1 | 35.90 | Township |
| Balfour township | 45 | 28 | 29 | 0% | 1 | 34.94 | Township |
| Wagar township | 46 | 28 | 29 | 0% | 1 | 36.01 | Township |
| Round Lake township | 47 | 27 | 28 | 0% | 1 | 32.59 | Township |
| Voltaire township | 48 | 25 | 26 | 0% | 1 | 34.99 | Township |
| Saline township | 49 | 17 | 14 | 6.25% | 0.00 | 36.15 | Township |
| Villard township | 50 | 17 | 18 | 0% | 0.00 | 35.75 | Township |
| Falsen township | 51 | 15 | 16 | 0% | 0.00 | 35.85 | Township |
| Balfour | 52 | 14 | 16 | 0% | 25 | 0.56 | City |
| Cottonwood Lake township | 53 | 11 | 11 | 0% | 0.00 | 34.22 | Township |
| Bergen | 54 | 10 | 12 | 0% | 13 | 0.75 | City |
| Gilmore township | 55 | 9 | 12 | -10% | 0.00 | 35.50 | Township |
| Kief | 56 | 8 | 8 | 0% | 7 | 1.23 | City |
| Mouse River township | 57 | 8 | 11 | -11.11% | 0.00 | 31.28 | Township |
Velva is the largest city in McHenry County, with a population of 1,015.
Mouse River township is the smallest city in McHenry County.
There are 57 cities in McHenry County, North Dakota.