7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Flatwoods | 1 | 7,223 | 7,303 | -0.18% | 1,524 | 5 | City |
| Russell | 2 | 3,588 | 3,737 | -0.69% | 942 | 4 | City |
| Raceland | 3 | 2,282 | 2,338 | -0.39% | 920 | 2 | City |
| Worthington | 4 | 1,429 | 1,498 | -0.76% | 1,258 | 1 | City |
| Greenup | 5 | 1,063 | 1,110 | -0.75% | 505 | 2 | City |
| South Shore | 6 | 1,029 | 1,068 | -0.58% | 1,462 | 1 | City |
| Wurtland | 7 | 964 | 984 | -0.31% | 546 | 2 | City |
Flatwoods is the largest city in Greenup County, with a population of 7,223.
Wurtland is the smallest city in Greenup County, with a population of 964.
There are 7 cities in Greenup County, Kentucky.