In 2018, Hialeah Gardens, FL had a population of 24k people with a median age of 43.1 and a median household income of $48,026. Between 2017 and 2018 the population of Hialeah Gardens, FL grew from 23,834 to 23,959, a 0.524% increase and its median household income grew from $47,282 to $48,026, a 1.57% increase. The 5 largest ethnic groups in Hialeah Gardens, FL are White (Hispanic) (88.3%), Other (Hispanic) (5.52%), White (Non-Hispanic) (2.71%), Black or African American (Hispanic) (1.94%), and Two+ (Hispanic) (0.509%). NaNk% of the people in Hialeah Gardens, FL speak a non-English language, and 73.9% are U.S. citizens.