Willis is located in Michigan. Willis, Michigan has a population of 4,021. Willis is less family-centric than the surrounding county with 30.93% of the households containing married families with children. The county average for households married with children is 31.79%.
The median household income in Willis, Michigan is $90,547. The median household income for the surrounding county is $79,198 compared to the national median of $69,021. The median age of people living in Willis is 48 years.
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 16.1 degrees. The average rainfall is approximately 34.2 inches per year, with 43.8 inches of snow per year.
