Union grove is located in Racine county Wisconsin with a geographic area of 2.6 square miles. The total population in Union grove is 5,031 with 47.7% male and 52.3% female. Children under age 5 represent 7.1% of the population, under age 18 equal 24.2% of the population and over age 65 is 11.3% of the population. The median household income is $73,086, per capita income is $32,636. There are a total of 1,825 housing units with 56.2% owner occupied. Education includes 26.0% of residents that are high school graduates and 35.5% with a bachelor's degree or higher. The average temperature in Union grove in the summer is 66 degrees, and in the winter 17 degrees.