24 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cooperstown | 1 | 949 | 979 | -0.63% | 943 | 1.01 | City |
| Binford | 2 | 160 | 167 | -0.62% | 453 | 0.35 | City |
| Hannaford | 3 | 121 | 126 | -0.82% | 553 | 0.22 | City |
| Tyrol township | 4 | 102 | 103 | 0% | 3 | 36.67 | Township |
| Greenfield township | 5 | 80 | 81 | 0% | 2 | 34.92 | Township |
| Sverdrup township | 6 | 74 | 74 | 0% | 2 | 36.04 | Township |
| Ball Hill township | 7 | 66 | 67 | 0% | 2 | 36.49 | Township |
| Jessie | 8 | 65 | 37 | 6.56% | 137 | 0.47 | CDP |
| Mabel township | 9 | 55 | 56 | 0% | 2 | 35.99 | Township |
| Lenora township | 10 | 53 | 54 | 0% | 2 | 34.82 | Township |
| Sutton | 11 | 51 | 19 | 6.25% | 249 | 0.20 | CDP |
| Bryan township | 12 | 49 | 50 | 0% | 1 | 35.92 | Township |
| Willow township | 13 | 46 | 50 | -2.13% | 1 | 34.51 | Township |
| Addie township | 14 | 45 | 46 | 0% | 1 | 33.26 | Township |
| Broadview township | 15 | 45 | 46 | 0% | 1 | 33.97 | Township |
| Bartley township | 16 | 41 | 42 | 0% | 1 | 34.33 | Township |
| Cooperstown township | 17 | 41 | 42 | 0% | 1 | 35.42 | Township |
| Clearfield township | 18 | 40 | 41 | 0% | 1 | 35.36 | Township |
| Kingsley township | 19 | 40 | 41 | 0% | 1 | 36.03 | Township |
| Rosendal township | 20 | 36 | 37 | 0% | 1 | 34.48 | Township |
| Dover township | 21 | 35 | 36 | 0% | 1 | 35.19 | Township |
| Pilot Mound township | 22 | 34 | 35 | 0% | 1 | 36.07 | Township |
| Helena township | 23 | 30 | 28 | 3.45% | 1 | 35.98 | Township |
| Romness township | 24 | 25 | 25 | 0% | 1 | 35.76 | Township |
Cooperstown is the largest city in Griggs County, with a population of 949.
Romness township is the smallest city in Griggs County.
There are 24 cities in Griggs County, North Dakota.