
Washington township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 36.556
- State:
- Iowa
Washington township is located in Washington County, Iowa. Washington township has a 2025 population of 1,075. 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 $112,664 with a poverty rate of 11.72%. The median age in Washington township is 39.1 years: 39 years for males, and 39.5 years for females.