Ypsilanti is located in Washtenaw county Michigan with a geographic area of 4.3 square miles. The total population in Ypsilanti is 20,792 with 51.6% male and 48.4% female. Children under age 5 represent 5.4% of the population, under age 18 equal 15.1% of the population and over age 65 is 7.8% of the population. The median household income is $40,028, per capita income is $26,070. There are a total of 8,018 housing units with 34.5% owner occupied. Education includes 13.2% of residents that are high school graduates and 40.6% with a bachelor's degree or higher. The average temperature in Ypsilanti in the summer is 72 degrees, and in the winter 23 degrees.