Caledonia is located in Racine county Wisconsin with a geographic area of 45.2 square miles. The total population in Caledonia is 25,182 with 50.6% male and 49.4% female. Children under age 5 represent 6.4% of the population, under age 18 equal 21.6% of the population and over age 65 is 18.1% of the population. The median household income is $81,722, per capita income is $38,860. There are a total of 10,059 housing units with 80.4% owner occupied. Education includes 25.1% of residents that are high school graduates and 35.6% with a bachelor's degree or higher. The average temperature in Caledonia in the summer is 66 degrees, and in the winter 17 degrees.