
Riverside township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 27.424
- State:
- Iowa
Riverside township is located in Washington County, Iowa. Riverside township has a 2025 population of 405. Riverside 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 Riverside township is $95,773 with a poverty rate of 0.99%. The median age in Riverside township is 47.4 years: 38.9 years for males, and 47.5 years for females.