Ontario is located in Richland county Ohio with a geographic area of 11.1 square miles. The total population in Ontario is 6,094 with 48.0% male and 52.0% female. Children under age 5 represent 5.6% of the population, under age 18 equal 18.4% of the population and over age 65 is 21.9% of the population. The median household income is $57,048, per capita income is $31,963. There are a total of 2,562 housing units with 72.4% owner occupied. Education includes 38.3% of residents that are high school graduates and 30.5% with a bachelor's degree or higher. The average temperature in Ontario in the summer is 69 degrees, and in the winter 32 degrees.
