La grange is located in Oldham county Kentucky with a geographic area of 7.2 square miles. The total population in La grange is 8,938 with 49.3% male and 50.7% female. Children under age 5 represent 7.0% of the population, under age 18 equal 24.7% of the population and over age 65 is 12.5% of the population. The median household income is $69,655, per capita income is $30,540. There are a total of 3,290 housing units with 69.5% owner occupied. Education includes 25.2% of residents that are high school graduates and 35.0% with a bachelor's degree or higher. The average temperature in La grange in the summer is 76 degrees, and in the winter 36 degrees.