Omaha is located in Douglas county Nebraska with a geographic area of 141.6 square miles. The total population in Omaha is 479,529 with 49.3% male and 50.7% female. Children under age 5 represent 7.2% of the population, under age 18 equal 24.8% of the population and over age 65 is 13.3% of the population. The median household income is $62,213, per capita income is $34,449. There are a total of 189,922 housing units with 59.0% owner occupied. Education includes 19.7% of residents that are high school graduates and 40.4% with a bachelor's degree or higher. The average temperature in Omaha in the summer is 74 degrees, and in the winter 26 degrees.