Buchanan is located in Berrien county Michigan with a geographic area of 2.5 square miles. The total population in Buchanan is 4,270 with 45.6% male and 54.4% female. Children under age 5 represent 6.3% of the population, under age 18 equal 26.3% of the population and over age 65 is 14.2% of the population. The median household income is $43,668, per capita income is $22,630. There are a total of 1,715 housing units with 54.2% owner occupied. Education includes 30.1% of residents that are high school graduates and 21.7% with a bachelor's degree or higher. The average temperature in Buchanan in the summer is 67 degrees, and in the winter 23 degrees.
