57 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Velva | 1 | 1,043 | 1,096 | -1.04% | 1,082 | 1 | City |
| Towner | 2 | 448 | 475 | -1.32% | 542 | 1 | City |
| Drake | 3 | 274 | 291 | -1.44% | 139 | 2 | City |
| Velva | 4 | 269 | 276 | 0.37% | 8 | 35 | Township |
| Granville | 5 | 229 | 236 | -0.87% | 722 | 0 | City |
| Anamoose | 6 | 214 | 223 | -0.93% | 343 | 1 | City |
| Norwich | 7 | 138 | 144 | -0.72% | 4 | 36 | Township |
| Upham | 8 | 127 | 134 | -1.55% | 410 | 0 | City |
| Newport | 9 | 98 | 101 | 0% | 3 | 36 | Township |
| Deering | 10 | 93 | 92 | 0% | 3 | 36 | Township |
| Deering | 11 | 91 | 93 | -1.09% | 1,083 | 0 | City |
| North Prairie | 12 | 87 | 89 | -1.14% | 2 | 36 | Township |
| Riga | 13 | 85 | 86 | 0% | 2 | 35 | Township |
| Karlsruhe | 14 | 83 | 87 | -1.19% | 111 | 1 | City |
| Granville | 15 | 83 | 87 | -1.19% | 2 | 35 | Township |
| Egg Creek | 16 | 80 | 79 | 2.56% | 2 | 34 | Township |
| Lebanon | 17 | 72 | 75 | 0% | 2 | 35 | Township |
| Brown | 18 | 66 | 69 | 0% | 2 | 35 | Township |
| Denbigh | 19 | 62 | 66 | -1.59% | 2 | 36 | Township |
| Kottke Valley | 20 | 62 | 60 | 3.33% | 2 | 36 | Township |
| Berwick | 21 | 61 | 65 | -1.61% | 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 | -2.33% | 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 | 38 | 41 | -2.56% | 1 | 34 | Township |
| Bjornson | 36 | 36 | 36 | 0% | 1 | 35 | Township |
| Strege | 37 | 36 | 39 | -2.7% | 1 | 35 | Township |
| Grilley | 38 | 35 | 36 | 0% | 1 | 36 | Township |
| Olivia | 39 | 35 | 36 | 0% | 1 | 36 | Township |
| Spring Grove | 40 | 35 | 38 | -2.78% | 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 | -6.67% | 25 | 1 | City |
| Saline | 52 | 12 | 11 | 0% | 0.00 | 36 | Township |
| Bergen | 53 | 11 | 11 | 0% | 15 | 1 | City |
| Cottonwood Lake | 54 | 11 | 11 | 0% | 0.00 | 34 | Township |
| Gilmore | 55 | 10 | 12 | -9.09% | 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 1,043.
Mouse River is the smallest city in McHenry County, with a population of 7.
There are 57 cities in McHenry County, North Dakota.