Dover is located in Tuscarawas county Ohio with a geographic area of 5.7 square miles. The total population in Dover is 12,754 with 46.5% male and 53.5% female. Children under age 5 represent 4.4% of the population, under age 18 equal 24.5% of the population and over age 65 is 23.0% of the population. The median household income is $59,045, per capita income is $29,733. There are a total of 4,980 housing units with 66.2% owner occupied. Education includes 33.1% of residents that are high school graduates and 30.0% with a bachelor's degree or higher. The average temperature in Dover in the summer is 73 degrees, and in the winter 32 degrees.