Hamilton is located in Butler county Ohio with a geographic area of 21.5 square miles. The total population in Hamilton is 62,162 with 48.5% male and 51.5% female. Children under age 5 represent 6.5% of the population, under age 18 equal 23.1% of the population and over age 65 is 14.9% of the population. The median household income is $47,937, per capita income is $24,157. There are a total of 24,116 housing units with 54.7% owner occupied. Education includes 40.7% of residents that are high school graduates and 18.0% with a bachelor's degree or higher. The average temperature in Hamilton in the summer is 75 degrees, and in the winter 32 degrees.