Harlan township is located in Warren county Ohio with a geographic area of square miles. The total population in Harlan township is 5,331 with 50.4% male and 49.6% female. Children under age 5 represent 3.8% of the population, under age 18 equal 25.1% of the population and over age 65 is 16.0% of the population. The median household income is $93,563, per capita income is $37,160. There are a total of 1,959 housing units with 84.4% owner occupied. Education includes 40.1% of residents that are high school graduates and 26.1% with a bachelor's degree or higher. The average temperature in Harlan township in the summer is 73 degrees, and in the winter 32 degrees.
