Gettysburg is located in Darke county Ohio with a geographic area of 0.4 square miles. The total population in Gettysburg is 653 with 46.2% male and 53.8% female. Children under age 5 represent 6.3% of the population, under age 18 equal 35.2% of the population and over age 65 is 16.2% of the population. The median household income is $46,250, per capita income is $17,362. There are a total of 221 housing units with 59.3% owner occupied. Education includes 61.5% of residents that are high school graduates and 6.8% with a bachelor's degree or higher. The average temperature in Gettysburg in the summer is 73 degrees, and in the winter 32 degrees.