6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kissimmee | 1 | 82,639 | 79,213 | 0.84% | 3,839 | 21.52 | City |
| St. Cloud | 2 | 71,123 | 59,435 | 3.4% | 2,466 | 28.84 | City |
| Four Corners | 3 | 64,142 | 45,946 | 4.11% | 1,349 | 47.54 | CDP |
| Buenaventura Lakes | 4 | 35,085 | 35,117 | 1.74% | 6,291 | 5.58 | CDP |
| Campbell | 5 | 2,208 | 2,262 | -0.81% | 1,173 | 1.88 | CDP |
| Highland Park | 6 | 295 | 252 | 3.15% | 538 | 0.55 | Village |
Kissimmee is the largest city in Osceola County, with a population of 82,639.
Highland Park is the smallest city in Osceola County.
There are 6 cities in Osceola County, Florida.