Millersport is located in Fairfield county Ohio with a geographic area of 0.9 square miles. The total population in Millersport is 1,229 with 46.5% male and 53.5% female. Children under age 5 represent 6.0% of the population, under age 18 equal 26.9% of the population and over age 65 is 14.6% of the population. The median household income is $62,662, per capita income is $27,503. There are a total of 441 housing units with 71.4% owner occupied. Education includes 26.8% of residents that are high school graduates and 25.9% with a bachelor's degree or higher. The average temperature in Millersport in the summer is 73 degrees, and in the winter 32 degrees.