16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Spring Hill | 1 | 121,447 | 113,742 | 1.27% | 2,027 | 60 | CDP |
| Brooksville | 2 | 10,248 | 8,868 | 2.63% | 916 | 11 | City |
| Brooksville | 3 | 10,248 | 8,932 | 2.63% | 916 | 11 | City |
| North Weeki Wachee | 4 | 7,280 | 7,626 | -1.13% | 505 | 14 | CDP |
| Timber Pines | 5 | 4,977 | 5,076 | -0.54% | 2,263 | 2 | CDP |
| Brookridge | 6 | 4,874 | 4,881 | 0.62% | 1,924 | 3 | CDP |
| Ridge Manor | 7 | 4,409 | 4,555 | -0.16% | 511 | 9 | CDP |
| High Point | 8 | 3,685 | 3,966 | 0% | 743 | 5 | CDP |
| Dade City North | 9 | 2,920 | 2,569 | -0.44% | 1,885 | 2 | CDP |
| Hernando Beach | 10 | 2,623 | 2,506 | 0.85% | 739 | 4 | CDP |
| Garden Grove | 11 | 1,125 | 1,026 | 2.74% | 1,165 | 1 | CDP |
| Masaryktown | 12 | 981 | 1,042 | -0.41% | 938 | 1 | CDP |
| Weeki Wachee Gardens | 13 | 872 | 1,153 | -2.02% | 695 | 1 | CDP |
| Nobleton | 14 | 242 | 186 | -1.22% | 1,287 | 0 | CDP |
| Pine Island | 15 | 170 | 50 | 6.92% | 2,656 | 0 | CDP |
| Istachatta | 16 | 94 | 62 | -1.05% | 307 | 0 | CDP |
Spring Hill is the largest city in Hernando County, with a population of 121,447.
Istachatta is the smallest city in Hernando County, with a population of 94.
There are 16 cities in Hernando County, Florida.