Tiffin is located in Seneca county Ohio with a geographic area of 6.9 square miles. The total population in Tiffin is 17,473 with 48.7% male and 51.3% female. Children under age 5 represent 4.3% of the population, under age 18 equal 17.9% of the population and over age 65 is 19.1% of the population. The median household income is $43,395, per capita income is $23,640. There are a total of 7,111 housing units with 60.3% owner occupied. Education includes 40.0% of residents that are high school graduates and 22.1% with a bachelor's degree or higher. The average temperature in Tiffin in the summer is 71 degrees, and in the winter 32 degrees.
