57 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Velva | 1 | 1,033 | 1,096 | -0.96% | 1,072 | 1 | City |
| Towner | 2 | 443 | 475 | -1.12% | 536 | 1 | City |
| Drake | 3 | 271 | 291 | -1.09% | 137 | 2 | City |
| Velva | 4 | 270 | 276 | 0.37% | 8 | 35 | Township |
| Granville | 5 | 228 | 236 | -0.44% | 719 | 0 | City |
| Anamoose | 6 | 212 | 223 | -0.93% | 340 | 1 | City |
| Norwich | 7 | 137 | 144 | -0.72% | 4 | 36 | Township |
| Upham | 8 | 126 | 134 | -0.79% | 406 | 0 | City |
| Newport | 9 | 98 | 101 | 0% | 3 | 36 | Township |
| Deering | 10 | 93 | 92 | 0% | 3 | 36 | Township |
| Deering | 11 | 91 | 93 | 0% | 1,083 | 0 | City |
| North Prairie | 12 | 86 | 89 | -1.15% | 2 | 36 | Township |
| Riga | 13 | 85 | 86 | 0% | 2 | 35 | Township |
| Egg Creek | 14 | 82 | 79 | 2.5% | 2 | 34 | Township |
| Granville | 15 | 82 | 87 | -1.2% | 2 | 35 | Township |
| Karlsruhe | 16 | 82 | 87 | -1.2% | 109 | 1 | City |
| Lebanon | 17 | 72 | 75 | 0% | 2 | 35 | Township |
| Brown | 18 | 66 | 69 | 0% | 2 | 35 | Township |
| Kottke Valley | 19 | 64 | 60 | 3.23% | 2 | 36 | Township |
| Denbigh | 20 | 61 | 66 | -1.61% | 2 | 36 | Township |
| Berwick | 21 | 60 | 65 | -1.64% | 2 | 36 | Township |
| Pratt | 22 | 51 | 53 | 0% | 1 | 36 | Township |
| Hendrickson | 23 | 50 | 52 | 0% | 1 | 36 | Township |
| Meadow | 24 | 49 | 51 | 0% | 2 | 31 | Township |
| Normal | 25 | 48 | 50 | 0% | 1 | 36 | Township |
| Odin | 26 | 48 | 50 | 0% | 1 | 34 | Township |
| Little Deep | 27 | 47 | 49 | 0% | 1 | 36 | Township |
| Lake Hester | 28 | 46 | 48 | 0% | 1 | 36 | Township |
| Bantry | 29 | 44 | 46 | 0% | 1 | 36 | Township |
| Voltaire | 30 | 42 | 45 | 0% | 86 | 0 | City |
| Deep River | 31 | 41 | 43 | 0% | 1 | 36 | Township |
| Schiller | 32 | 41 | 43 | 0% | 1 | 35 | Township |
| Willow Creek | 33 | 41 | 43 | 0% | 1 | 36 | Township |
| Anamoose | 34 | 40 | 42 | 0% | 1 | 35 | Township |
| Land | 35 | 37 | 41 | -2.63% | 1 | 34 | Township |
| Bjornson | 36 | 36 | 36 | 0% | 1 | 35 | Township |
| Grilley | 37 | 35 | 36 | 0% | 1 | 36 | Township |
| Olivia | 38 | 35 | 36 | 0% | 1 | 36 | Township |
| Strege | 39 | 35 | 39 | -2.78% | 1 | 35 | Township |
| Spring Grove | 40 | 34 | 38 | -2.86% | 1 | 32 | Township |
| Layton | 41 | 32 | 33 | 0% | 1 | 36 | Township |
| Lake George | 42 | 31 | 32 | 0% | 1 | 35 | Township |
| Rose Hill | 43 | 31 | 32 | 0% | 1 | 36 | Township |
| Karlsruhe | 44 | 30 | 31 | 0% | 1 | 34 | Township |
| Wagar | 45 | 30 | 31 | 0% | 1 | 36 | Township |
| Balfour | 46 | 29 | 30 | 0% | 1 | 35 | Township |
| Round Lake | 47 | 27 | 28 | 0% | 1 | 33 | Township |
| Voltaire | 48 | 24 | 25 | 0% | 1 | 35 | Township |
| Villard | 49 | 17 | 18 | 0% | 0.00 | 36 | Township |
| Falsen | 50 | 16 | 17 | 0% | 0.00 | 36 | Township |
| Balfour | 51 | 14 | 16 | 0% | 25 | 1 | City |
| Saline | 52 | 12 | 11 | 0% | 0.00 | 36 | Township |
| Cottonwood Lake | 53 | 11 | 11 | 0% | 0.00 | 34 | Township |
| Bergen | 54 | 11 | 11 | 0% | 15 | 1 | City |
| Gilmore | 55 | 9 | 12 | -10% | 0.00 | 36 | Township |
| Kief | 56 | 8 | 8 | 0% | 7 | 1 | City |
| Mouse River | 57 | 7 | 7 | 0% | 0.00 | 31 | Township |
Velva is the largest city in McHenry County, with a population of 1,033.
Mouse River is the smallest city in McHenry County, with a population of 7.
There are 57 cities in McHenry County, North Dakota.