Baltimore is located in Baltimore county Maryland with a geographic area of 80.9 square miles. The total population in Baltimore is 602,274 with 46.9% male and 53.1% female. Children under age 5 represent 6.3% of the population, under age 18 equal 20.5% of the population and over age 65 is 14.0% of the population. The median household income is $52,164, per capita income is $32,699. There are a total of 242,499 housing units with 47.7% owner occupied. Education includes 24.7% of residents that are high school graduates and 36.4% with a bachelor's degree or higher. The average temperature in Baltimore in the summer is 76 degrees, and in the winter 37 degrees.