Plainwell is located in Michigan. Plainwell, Michigan has a population of 3,909. Plainwell 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 Plainwell, Michigan is $61,029. The median household income for the surrounding county is $64,345 compared to the national median of $66,222. The median age of people living in Plainwell is 40.5 years.
The average high temperature in July is 83.73 degrees, with an average low temperature in January of 16.49 degrees. The annual precipitation is 38.