Ohio in United States with a geographic area of 44,824.6 square miles. The total population in Ohio is 11,675,275 with 49.0% male and 51.0% female. Children under age 5 represent 5.9% of the population, under age 18 equal 22.2% of the population and over age 65 is 17.0% of the population. The median household income is $58,116, per capita income is $32,465. There are a total of 4,717,226 housing units with 66.3% owner occupied. Education includes 30.4% of residents that are high school graduates and 30.4% with a bachelor's degree or higher. The average temperature in Ohio in the summer is 71 degrees, and in the winter 29 degrees.