11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hartington | 1 | 1,497 | 1,515 | -0.27% | 1,518 | 1 | City |
| Laurel | 2 | 939 | 974 | -0.74% | 709 | 1 | City |
| Randolph | 3 | 880 | 885 | -0.11% | 819 | 1 | City |
| Coleridge | 4 | 511 | 538 | -1.16% | 1,014 | 1 | Village |
| Wynot | 5 | 218 | 217 | 0% | 1,185 | 0 | Village |
| Fordyce | 6 | 134 | 134 | 0% | 905 | 0 | Village |
| Belden | 7 | 109 | 112 | -0.91% | 741 | 0 | Village |
| St. Helena | 8 | 88 | 91 | -1.12% | 198 | 0 | Village |
| Magnet | 9 | 44 | 46 | -2.22% | 295 | 0 | Village |
| Obert | 10 | 20 | 20 | 0% | 274 | 0 | Village |
| Sholes | 11 | 18 | 18 | 0% | 130 | 0 | Village |
Hartington is the largest city in Cedar County, with a population of 1,497.
Sholes is the smallest city in Cedar County, with a population of 18.
There are 11 cities in Cedar County, Nebraska.