7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lexington | 1 | 11,339 | 10,666 | 1.2% | 2,234 | 5 | City |
| Cozad | 2 | 3,937 | 3,976 | -0.2% | 1,505 | 3 | City |
| Gothenburg | 3 | 3,439 | 3,478 | -0.23% | 947 | 4 | City |
| Overton | 4 | 591 | 606 | -0.51% | 1,094 | 1 | Village |
| Sumner | 5 | 244 | 253 | -0.81% | 827 | 0 | Village |
| Farnam | 6 | 181 | 181 | 0% | 269 | 1 | Village |
| Eddyville | 7 | 85 | 85 | 0% | 308 | 0 | Village |
Lexington is the largest city in Dawson County, with a population of 11,339.
Eddyville is the smallest city in Dawson County, with a population of 85.
There are 7 cities in Dawson County, Nebraska.