38 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Oakes | 1 | 1,775 | 1,782 | -0.11% | 1,135 | 2 | City |
| Ellendale | 2 | 1,135 | 1,155 | -0.35% | 801 | 1 | City |
| Kentner | 3 | 231 | 231 | 0% | 6 | 36 | Township |
| Bear Creek | 4 | 198 | 200 | 0% | 7 | 30 | Township |
| Ellendale | 5 | 128 | 129 | 0% | 4 | 35 | Township |
| Clement | 6 | 122 | 127 | -0.81% | 3 | 45 | Township |
| Divide | 7 | 81 | 79 | 0% | 2 | 35 | Township |
| Hudson | 8 | 80 | 80 | 0% | 2 | 34 | Township |
| Van Meter | 9 | 75 | 75 | 0% | 2 | 36 | Township |
| Elm | 10 | 71 | 72 | 0% | 2 | 36 | Township |
| Elden | 11 | 67 | 67 | 0% | 2 | 36 | Township |
| Fullerton | 12 | 57 | 57 | 0% | 146 | 0 | City |
| Lovell | 13 | 50 | 51 | 0% | 1 | 44 | Township |
| Porter | 14 | 47 | 48 | 0% | 1 | 35 | Township |
| Maple | 15 | 46 | 47 | 0% | 1 | 36 | Township |
| Port Emma | 16 | 44 | 45 | 0% | 2 | 26 | Township |
| Keystone | 17 | 43 | 44 | 0% | 1 | 36 | Township |
| Ada | 18 | 40 | 41 | 0% | 1 | 36 | Township |
| Yorktown | 19 | 40 | 41 | 0% | 1 | 36 | Township |
| Wright | 20 | 39 | 40 | 0% | 1 | 35 | Township |
| Forbes | 21 | 37 | 39 | -2.63% | 153 | 0 | City |
| Albion | 22 | 36 | 37 | 0% | 1 | 36 | Township |
| Potsdam | 23 | 35 | 36 | 0% | 1 | 34 | Township |
| Lorraine | 24 | 33 | 34 | 0% | 1 | 36 | Township |
| Young | 25 | 33 | 34 | 0% | 1 | 34 | Township |
| James River Valley | 26 | 32 | 33 | 0% | 1 | 29 | Township |
| Grand Valley | 27 | 30 | 31 | 0% | 1 | 36 | Township |
| Monango | 28 | 29 | 31 | -3.33% | 77 | 0 | City |
| Spring Valley | 29 | 28 | 28 | 0% | 1 | 33 | Township |
| Kent | 30 | 27 | 27 | 0% | 1 | 36 | Township |
| Hamburg | 31 | 26 | 26 | 0% | 1 | 36 | Township |
| Whitestone | 32 | 23 | 23 | 0% | 1 | 36 | Township |
| Venturia | 33 | 20 | 20 | 0% | 180 | 0 | City |
| Valley | 34 | 20 | 20 | 0% | 1 | 35 | Township |
| German | 35 | 18 | 18 | 0% | 1 | 34 | Township |
| Ludden | 36 | 17 | 17 | 0% | 21 | 1 | City |
| Northwest | 37 | 14 | 14 | 0% | 0.00 | 33 | Township |
| Albertha | 38 | 13 | 13 | 0% | 0.00 | 34 | Township |
Oakes is the largest city in Dickey County, with a population of 1,775.
Albertha is the smallest city in Dickey County, with a population of 13.
There are 38 cities in Dickey County, North Dakota.