Hialeah is located in Miami-Dade county Florida with a geographic area of 21.6 square miles. The total population in Hialeah is 233,876 with 48.1% male and 51.9% female. Children under age 5 represent 4.5% of the population, under age 18 equal 16.6% of the population and over age 65 is 20.7% of the population. The median household income is $38,471, per capita income is $19,492. There are a total of 76,459 housing units with 47.0% owner occupied. Education includes 30.9% of residents that are high school graduates and 19.0% with a bachelor's degree or higher. The average temperature in Hialeah in the summer is 84 degrees, and in the winter 56 degrees.