McMillan is located in Michigan. McMillan, Michigan has a population of 1,378. McMillan is less family-centric than the surrounding county with 19% households with children. The county percentage for households with children is 22%.
The median household income in McMillan, Michigan is $55,152. The median household income for the surrounding county is $48,326 compared to the national median of $66,222. The median age of people living in McMillan is 51.8 years.
The average high temperature in July is 78.3 degrees, with an average low temperature in January of 8 degrees. The annual precipitation is 30.87.