20 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| New Rockford | 1 | 1,283 | 1,350 | -1% | 747 | 1.72 | City |
| Sheyenne | 2 | 175 | 182 | -0.57% | 1,167 | 0.15 | City |
| New Rockford township | 3 | 89 | 95 | -2.2% | 3 | 34.30 | Township |
| Freeborn township | 4 | 74 | 77 | -1.33% | 2 | 36.06 | Township |
| Colvin township | 5 | 64 | 67 | -1.54% | 2 | 35.50 | Township |
| Superior township | 6 | 63 | 66 | -1.56% | 2 | 34.74 | Township |
| Sheyenne township | 7 | 61 | 59 | 0% | 2 | 35.71 | Township |
| Eddy township | 8 | 48 | 48 | 0% | 1 | 35.79 | Township |
| Munster township | 9 | 48 | 48 | 0% | 1 | 35.91 | Township |
| Gates township | 10 | 45 | 46 | 0% | 1 | 35.50 | Township |
| Rosefield township | 11 | 41 | 44 | -2.38% | 1 | 34.96 | Township |
| Bush township | 12 | 39 | 42 | -2.5% | 1 | 35.51 | Township |
| Columbia township | 13 | 34 | 37 | -2.86% | 1 | 34.94 | Township |
| Cherry Lake township | 14 | 33 | 36 | -2.94% | 1 | 33.38 | Township |
| Paradise township | 15 | 32 | 35 | -3.03% | 1 | 32.98 | Township |
| Hillsdale township | 16 | 31 | 34 | -3.13% | 1 | 34.83 | Township |
| Grandfield township | 17 | 24 | 27 | -4% | 1 | 35.90 | Township |
| Tiffany township | 18 | 23 | 26 | -4.17% | 1 | 35.94 | Township |
| Lake Washington township | 19 | 20 | 23 | -4.76% | 1 | 31.82 | Township |
| Pleasant Prairie township | 20 | 18 | 21 | -5.26% | 1 | 34.56 | Township |
New Rockford is the largest city in Eddy County, with a population of 1,283.
Pleasant Prairie township is the smallest city in Eddy County.
There are 20 cities in Eddy County, North Dakota.