Ontonagon Real EstateOntonagon is located in Michigan. Ontonagon, Michigan has a population of 1,448. Ontonagon is less family-centric than the surrounding county with 11.52% of the households containing married families with children. The county average for households married with children is 17.05%. The median household income in Ontonagon, Michigan is $34,006. The median household income for the surrounding county is $36,073 compared to the national median of $57,652. The median age of people living in Ontonagon is 58.7 years. Ontonagon WeatherThe average high temperature in July is 78 degrees, with an average low temperature in January of 4.8 degrees. The average rainfall is approximately 34 inches per year, with 177 inches of snow per year. Ontonagon MapReal estate near OntonagonNearby CitiesNearby Cities Homes for Sale |