7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Flatwoods | 1 | 7,236 | 7,303 | -0.19% | 2,069 | 3 | City |
| Russell | 2 | 3,613 | 3,737 | -0.69% | 949 | 4 | City |
| Raceland | 3 | 2,291 | 2,338 | -0.43% | 923 | 2 | City |
| Worthington | 4 | 1,440 | 1,498 | -0.83% | 1,268 | 1 | City |
| Greenup | 5 | 1,071 | 1,110 | -0.74% | 618 | 2 | City |
| South Shore | 6 | 1,035 | 1,068 | -0.67% | 1,470 | 1 | City |
| Wurtland | 7 | 967 | 984 | -0.41% | 547 | 2 | City |
Flatwoods is the largest city in Greenup County, with a population of 7,236.
Wurtland is the smallest city in Greenup County, with a population of 967.
There are 7 cities in Greenup County, Kentucky.