Lincoln is located in Lancaster county Nebraska with a geographic area of 97.7 square miles. The total population in Lincoln is 286,388 with 50.2% male and 49.8% female. Children under age 5 represent 6.3% of the population, under age 18 equal 22.3% of the population and over age 65 is 13.4% of the population. The median household income is $60,063, per capita income is $32,345. There are a total of 115,930 housing units with 56.2% owner occupied. Education includes 18.8% of residents that are high school graduates and 40.9% with a bachelor's degree or higher. The average temperature in Lincoln in the summer is 75 degrees, and in the winter 26 degrees.