
Cass township
- County:
- Clayton County
- County Seat:
- No
- Area (mi²):
- 36.686
- State:
- Iowa
Cass township is located in Clayton County, Iowa. Cass township has a 2025 population of 1,862. Cass 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 Cass township is $77,462 with a poverty rate of 8.17%. The median age in Cass township is 36.9 years: 36.6 years for males, and 37.3 years for females.