
Washington township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 35.785
- State:
- Iowa
Washington township is located in Washington County, Iowa. Washington township has a 2025 population of 921. Washington township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Washington township is $85,782 with a poverty rate of 0.65%. The median age in Washington township is 47.9 years: 47.7 years for males, and 48.2 years for females.