Hialeah
- County:
- Miami-Dade County
- County Seat:
- No
- Area (mi²):
- 21.581
- State:
- Florida
Hialeah is a city located in Miami-Dade County, Florida. Hialeah has a 2026 population of 235,388. Hialeah is currently growing at a rate of 2.99% annually and its population has increased by 5.83% since the most recent census, which recorded a population of 222,418 in 2020.