| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Covington | 1 | 42,021 | 40,948 | 0.42% | 3,192 | 13 | City |
| Independence | 2 | 30,516 | 28,780 | 1.05% | 1,720 | 18 | City |
| Erlanger | 3 | 20,263 | 19,683 | 0.52% | 2,415 | 8 | City |
| Fort Mitchell | 4 | 8,762 | 8,701 | 0.13% | 2,829 | 3 | City |
| Edgewood | 5 | 8,517 | 8,439 | 0.16% | 1,998 | 4 | City |
| Villa Hills | 6 | 7,903 | 7,308 | 1.36% | 2,195 | 4 | City |
| Taylor Mill | 7 | 7,193 | 6,879 | 0.69% | 1,177 | 6 | City |
| Fort Wright | 8 | 6,309 | 5,803 | 1.11% | 1,856 | 3 | City |
| Crescent Springs | 9 | 4,797 | 4,290 | 1.89% | 3,211 | 1 | City |
| Ludlow | 10 | 4,391 | 4,392 | 0% | 4,794 | 1 | City |
| Crestview Hills | 11 | 3,319 | 3,243 | 0.55% | 1,748 | 2 | City |
| Park Hills | 12 | 3,193 | 3,175 | 0.16% | 4,109 | 1 | City |
| Lakeside Park | 13 | 2,849 | 2,846 | 0.07% | 3,634 | 1 | City |
| Ryland Heights | 14 | 956 | 925 | 0.53% | 181 | 5 | City |
| Bromley | 15 | 738 | 726 | 0% | 1,968 | 0 | City |
| Kenton Vale | 16 | 104 | 106 | -0.95% | 1,926 | 0 | City |
Covington is the largest city in Kenton County, with a population of 42,021.
Kenton Vale is the smallest city in Kenton County, with a population of 104.
There are 16 cities in Kenton County, Kentucky.