38 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Oakes | 1 | 1,749 | 1,786 | -0.4% | 1,118 | 1.56 | City |
| Ellendale | 2 | 1,077 | 1,117 | -0.74% | 760 | 1.42 | City |
| Kentner township | 3 | 229 | 232 | -0.43% | 6 | 36.11 | Township |
| Bear Creek township | 4 | 187 | 199 | -1.58% | 6 | 30.08 | Township |
| Ellendale township | 5 | 125 | 129 | -0.79% | 4 | 34.58 | Township |
| Clement township | 6 | 121 | 125 | -0.82% | 3 | 45.27 | Township |
| Van Meter township | 7 | 111 | 114 | -0.89% | 3 | 36.08 | Township |
| Divide township | 8 | 80 | 81 | -1.23% | 2 | 35.12 | Township |
| Hudson township | 9 | 79 | 80 | 0% | 2 | 33.94 | Township |
| Elm township | 10 | 69 | 72 | -1.43% | 2 | 35.87 | Township |
| Elden township | 11 | 66 | 69 | -1.49% | 2 | 36.16 | Township |
| Fullerton | 12 | 57 | 57 | 0% | 146 | 0.39 | City |
| Porter township | 13 | 48 | 49 | 0% | 1 | 35.27 | Township |
| Lovell township | 14 | 47 | 48 | 0% | 1 | 43.54 | Township |
| Maple township | 15 | 46 | 47 | 0% | 1 | 35.74 | Township |
| Keystone township | 16 | 44 | 45 | 0% | 1 | 35.88 | Township |
| Port Emma township | 17 | 44 | 45 | 0% | 2 | 26.49 | Township |
| Ada township | 18 | 40 | 41 | 0% | 1 | 35.98 | Township |
| Yorktown township | 19 | 40 | 41 | 0% | 1 | 35.80 | Township |
| Wright township | 20 | 39 | 40 | 0% | 1 | 35.29 | Township |
| Forbes | 21 | 37 | 39 | 0% | 153 | 0.24 | City |
| Albion township | 22 | 35 | 36 | 0% | 1 | 36.06 | Township |
| Potsdam township | 23 | 35 | 36 | 0% | 1 | 34.44 | Township |
| James River Valley township | 24 | 34 | 35 | 0% | 1 | 28.60 | Township |
| Lorraine township | 25 | 33 | 34 | 0% | 1 | 35.62 | Township |
| Young township | 26 | 33 | 34 | 0% | 1 | 34.37 | Township |
| Grand Valley township | 27 | 31 | 32 | 0% | 1 | 36.05 | Township |
| Monango | 28 | 28 | 30 | 0% | 74 | 0.38 | City |
| Spring Valley township | 29 | 26 | 27 | 0% | 1 | 33.30 | Township |
| Kent township | 30 | 23 | 26 | -4.17% | 1 | 35.88 | Township |
| Hamburg township | 31 | 22 | 25 | -4.35% | 1 | 36.18 | Township |
| Venturia | 32 | 20 | 20 | 0% | 180 | 0.11 | City |
| Whitestone township | 33 | 20 | 23 | -4.76% | 1 | 36.17 | Township |
| German township | 34 | 18 | 18 | 0% | 1 | 34 | Township |
| Valley township | 35 | 18 | 21 | -5.26% | 1 | 35.33 | Township |
| Ludden | 36 | 17 | 17 | 0% | 21 | 0.80 | City |
| Northwest township | 37 | 15 | 15 | 0% | 0.00 | 32.75 | Township |
| Albertha township | 38 | 14 | 14 | 0% | 0.00 | 33.66 | Township |
Oakes is the largest city in Dickey County, with a population of 1,749.
Albertha township is the smallest city in Dickey County.
There are 38 cities in Dickey County, North Dakota.