Rockford is located in Mercer county Ohio with a geographic area of 0.9 square miles. The total population in Rockford is 883 with 52.0% male and 48.0% female. Children under age 5 represent 5.4% of the population, under age 18 equal 13.9% of the population and over age 65 is 28.7% of the population. The median household income is $50,550, per capita income is $28,502. There are a total of 411 housing units with 76.9% owner occupied. Education includes 49.6% of residents that are high school graduates and 19.2% with a bachelor's degree or higher. The average temperature in Rockford in the summer is 73 degrees, and in the winter 32 degrees.