
Washington township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 36.355
- State:
- Iowa
Washington township is located in Washington County, Iowa. Washington township has a 2025 population of 860. 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 $74,522 with a poverty rate of 6.05%. The median age in Washington township is 41.4 years: 40.8 years for males, and 42 years for females.