9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hopkinsville | 1 | 30,572 | 31,174 | -0.39% | 932 | 32.81 | City |
| Fort Campbell North | 2 | 11,596 | 14,363 | -1.19% | 1,359 | 8.53 | CDP |
| Oak Grove | 3 | 7,996 | 7,938 | 0.15% | 747 | 10.71 | City |
| Pembroke | 4 | 882 | 861 | 0.46% | 794 | 1.11 | City |
| Crofton | 5 | 633 | 655 | -0.63% | 997 | 0.64 | City |
| LaFayette | 6 | 174 | 179 | -0.57% | 674 | 0.26 | City |
| Fairview | 7 | 144 | 144 | 0% | 198 | 0.73 | City |
| Fairview | 8 | 75 | 235 | -15.73% | 62 | 1.21 | CDP |
| Gracey | 9 | 62 | 71 | -7.46% | 258 | 0.24 | CDP |
Hopkinsville is the largest city in Christian County, with a population of 30,572.
Gracey is the smallest city in Christian County.
There are 9 cities in Christian County, Kentucky.