Cedar rapids is located in Linn county Iowa with a geographic area of 72.1 square miles. The total population in Cedar rapids is 133,125 with 49.4% male and 50.6% female. Children under age 5 represent 6.2% of the population, under age 18 equal 22.3% of the population and over age 65 is 16.1% of the population. The median household income is $60,787, per capita income is $34,019. There are a total of 55,784 housing units with 70.1% owner occupied. Education includes 23.8% of residents that are high school graduates and 33.7% with a bachelor's degree or higher. The average temperature in Cedar rapids in the summer is 73 degrees, and in the winter 23 degrees.