7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Flatwoods | 1 | 7,171 | 7,310 | -0.39% | 2,051 | 3.50 | City |
| Russell | 2 | 3,582 | 3,736 | -0.86% | 941 | 3.81 | City |
| Raceland | 3 | 2,276 | 2,338 | -0.52% | 917 | 2.48 | City |
| Worthington | 4 | 1,428 | 1,498 | -0.97% | 1,257 | 1.14 | City |
| South Shore | 5 | 1,047 | 1,089 | -0.76% | 1,487 | 0.70 | City |
| Greenup | 6 | 1,038 | 1,083 | -0.86% | 599 | 1.73 | City |
| Wurtland | 7 | 959 | 984 | -0.52% | 543 | 1.77 | City |
Flatwoods is the largest city in Greenup County, with a population of 7,171.
Wurtland is the smallest city in Greenup County.
There are 7 cities in Greenup County, Kentucky.