Franklin furnace is located in Scioto county Ohio with a geographic area of 2.4 square miles. The total population in Franklin furnace is 1,795 with 58.8% male and 41.2% female. Children under age 5 represent 4.0% of the population, under age 18 equal 18.7% of the population and over age 65 is 15.3% of the population. The median household income is $45,904, per capita income is $18,992. There are a total of 520 housing units with 80.2% owner occupied. Education includes 28.1% of residents that are high school graduates and 24.8% with a bachelor's degree or higher. The average temperature in Franklin furnace in the summer is 73 degrees, and in the winter 32 degrees.