WEBHialeah ( / ˌhaɪəˈliːə / HY-ə-LEE-ə; Latin American Spanish: [xaʝaˈli.a]) is a city in Miami-Dade County, Florida, United States. With a population of 223,109 as of the 2020 census, Hialeah is the sixth-largest city in Florida. It is the second largest city by population in the Miami metropolitan area of South Florida, which was home ...