
Washington township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 47.555
- State:
- Iowa
Washington township is located in Washington County, Iowa. Washington township has a 2025 population of 479. 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 $96,656 with a poverty rate of 6.47%. The median age in Washington township is 38.1 years: 35.8 years for males, and 41.5 years for females.