Washington Twp is located in Michigan. Washington Twp, Michigan has a population of 12,219.
The median household income in Washington Twp, Michigan is $94,334. The median household income for the surrounding county is $58,175 compared to the national median of $57,652. The median age of people living in Washington Twp is 45 years.
The average high temperature in July is 81.8 degrees, with an average low temperature in January of 14.9 degrees. The average rainfall is approximately 32.95 inches per year, with 36.1 inches of snow per year.