Washington Township is a township in Greene County, Iowa, United States. It had a population of 417 people in 2020
Washington Township was established in 1854. Washington Township was one of the first townships in Greene County at that time, along with Jefferson and Kendrick townships and others.
Washington Township had an employment rate of 76.5%. There were also 180 households with a median household income of $85,357, a 13.6% Education rate, and an 8.6% healthcare rate.
Washington Township had a population of 417 and 217 Total housing units.
Washington Township is 47.6 square miles large and has 10.1 people per square mile.