11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Tipton | 1 | 2,990 | 3,149 | -1.06% | 1,478 | 2.02 | City |
| West Branch | 2 | 2,916 | 2,510 | 2.86% | 1,134 | 2.57 | City |
| Durant | 3 | 1,771 | 1,880 | -1.23% | 1,435 | 1.23 | City |
| Clarence | 4 | 982 | 1,037 | -1.11% | 1,290 | 0.76 | City |
| Mechanicsville | 5 | 974 | 1,018 | -0.92% | 1,182 | 0.82 | City |
| Lowden | 6 | 763 | 800 | -0.91% | 711 | 1.07 | City |
| Stanwood | 7 | 607 | 639 | -0.98% | 763 | 0.80 | City |
| Bennett | 8 | 326 | 348 | -1.21% | 1,575 | 0.21 | City |
| Downey | 9 | 101 | 87 | 7.45% | 150 | 0.68 | CDP |
| Toronto | 10 | 100 | 102 | 0% | 549 | 0.18 | City |
| Rochester | 11 | 27 | 97 | -20.59% | 28 | 0.95 | CDP |
Tipton is the largest city in Cedar County, with a population of 2,990.
Rochester is the smallest city in Cedar County.
There are 11 cities in Cedar County, Iowa.