Ontario is located in Vernon county Wisconsin with a geographic area of 1.0 square miles. The total population in Ontario is 477 with 48.6% male and 51.4% female. Children under age 5 represent 6.3% of the population, under age 18 equal 28.5% of the population and over age 65 is 25.4% of the population. The median household income is $39,432, per capita income is $22,198. There are a total of 222 housing units with 79.7% owner occupied. Education includes 31.1% of residents that are high school graduates and 9.0% with a bachelor's degree or higher. The average temperature in Ontario in the summer is 66 degrees, and in the winter 17 degrees.
