Willis is located in Michigan. Willis, Michigan has a population of 4,021. Willis is more family-centric than the surrounding county with 35.78% of the households containing married families with children. The county average for households married with children is 33.1%.
The median household income in Willis, Michigan is $68,887. The median household income for the surrounding county is $65,618 compared to the national median of $57,652. The median age of people living in Willis is 42.3 years.
The average high temperature in July is 83.4 degrees, with an average low temperature in January of 16.1 degrees. The average rainfall is approximately 34.5 inches per year, with 49.9 inches of snow per year.
