Crestwood is located in Oldham county Kentucky with a geographic area of 4.0 square miles. The total population in Crestwood is 5,034 with 45.6% male and 54.4% female. Children under age 5 represent 6.4% of the population, under age 18 equal 32.9% of the population and over age 65 is 7.6% of the population. The median household income is $98,345, per capita income is $41,258. There are a total of 1,590 housing units with 77.5% owner occupied. Education includes 10.9% of residents that are high school graduates and 52.0% with a bachelor's degree or higher. The average temperature in Crestwood in the summer is 76 degrees, and in the winter 36 degrees.