Sumner is located in Michigan. Sumner, Michigan 48889has a population of 1,345. Sumner 48889 is less family-centric than the surrounding county with 27% households with children. The county percentage for households with children is 29%.
The median household income in Sumner, Michigan 48889 is $55,209. The median household income for the surrounding county is $49,664 compared to the national median of $66,222. The median age of people living in Sumner 48889 is 43.1 years.
The average high temperature in July is 82.8 degrees, with an average low temperature in January of 12.9 degrees. The annual precipitation is 31.74.