Prospect is located in Marion county Ohio with a geographic area of 0.7 square miles. The total population in Prospect is 1,241 with 50.0% male and 50.0% female. Children under age 5 represent 14.3% of the population, under age 18 equal 35.8% of the population and over age 65 is 15.6% of the population. The median household income is $61,538, per capita income is $24,528. There are a total of 438 housing units with 68.7% owner occupied. Education includes 34.2% of residents that are high school graduates and 20.5% with a bachelor's degree or higher. The average temperature in Prospect in the summer is 73 degrees, and in the winter 32 degrees.