Niles is located in Berrien county Michigan with a geographic area of 5.8 square miles. The total population in Niles is 11,168 with 47.6% male and 52.4% female. Children under age 5 represent 5.0% of the population, under age 18 equal 21.7% of the population and over age 65 is 15.7% of the population. The median household income is $38,415, per capita income is $22,721. There are a total of 4,743 housing units with 51.3% owner occupied. Education includes 34.9% of residents that are high school graduates and 14.1% with a bachelor's degree or higher. The average temperature in Niles in the summer is 67 degrees, and in the winter 23 degrees.