Deer park is located in Hamilton county Ohio with a geographic area of 0.9 square miles. The total population in Deer park is 5,561 with 48.9% male and 51.1% female. Children under age 5 represent 7.1% of the population, under age 18 equal 16.6% of the population and over age 65 is 18.4% of the population. The median household income is $65,192, per capita income is $35,002. There are a total of 2,638 housing units with 73.5% owner occupied. Education includes 28.0% of residents that are high school graduates and 44.6% with a bachelor's degree or higher. The average temperature in Deer park in the summer is 73 degrees, and in the winter 32 degrees.