Onaway is located in Presque isle county Michigan with a geographic area of 1.6 square miles. The total population in Onaway is 760 with 49.9% male and 50.1% female. Children under age 5 represent 5.5% of the population, under age 18 equal 15.9% of the population and over age 65 is 19.3% of the population. The median household income is $27,697, per capita income is $19,801. There are a total of 375 housing units with 66.4% owner occupied. Education includes 36.8% of residents that are high school graduates and 4.5% with a bachelor's degree or higher. The average temperature in Onaway in the summer is 67 degrees, and in the winter 23 degrees.