6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sebring | 1 | 11,998 | 10,982 | 1.72% | 1,122 | 11 | City |
| Sebring | 2 | 11,998 | 10,983 | 1.72% | 1,122 | 11 | City |
| Avon Park | 3 | 10,603 | 9,654 | 1.81% | 1,041 | 10 | City |
| Avon Park | 4 | 10,603 | 9,662 | 1.81% | 1,041 | 10 | City |
| Lake Placid | 5 | 2,606 | 2,377 | 1.76% | 556 | 5 | Town |
| Lake Placid | 6 | 2,606 | 2,379 | 1.76% | 556 | 5 | Town |
Sebring is the largest city in Highlands County, with a population of 11,998.
Lake Placid is the smallest city in Highlands County, with a population of 2,606.
There are 6 cities in Highlands County, Florida.