Willis is located in Michigan. Willis, Michigan has a population of 4,169. Willis is less family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 24%.
The median household income in Willis, Michigan is $79,468. The median household income for the surrounding county is $77,109 compared to the national median of $66,222. The median age of people living in Willis is 42.4 years.
The average high temperature in July is 83.4 degrees, with an average low temperature in January of 15 degrees. The annual precipitation is 30.42.