Sumpter Twp is located in Michigan. Sumpter Twp, Michigan has a population of 1,940.
The median household income in Sumpter Twp, Michigan is $45,223. The median household income for the surrounding county is $43,702 compared to the national median of $57,652. The median age of people living in Sumpter Twp is 39.9 years.
The average high temperature in July is 83.5 degrees, with an average low temperature in January of 18.2 degrees. The average rainfall is approximately 33.5 inches per year, with 34.3 inches of snow per year.