About Onekama, MIOnekama is located in Michigan. Onekama, Michigan has a population of 327. Onekama is less family-centric than the surrounding county with 13% households with children. The county percentage for households with children is 19%. The median household income in Onekama, Michigan is $54,861. The median household income for the surrounding county is $43,098 compared to the national median of $57,525. The median age of people living in Onekama is 59.3 years. Onekama WeatherThe average high temperature in July is 80.7 degrees, with an average low temperature in January of 17.1 degrees. The annual precipitation is 33.33. Onekama MapOnekama real estate officesSort by:
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