
Cumberland
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 0.62
- State:
- Iowa
Cumberland is a city located in Cass County, Iowa. Cumberland has a 2025 population of 251. Cumberland is currently growing at a rate of 0.4% annually and its population has increased by 1.21% since the most recent census, which recorded a population of 248 in 2020.
The average household income in Cumberland is $59,243 with a poverty rate of 16.79%. The median age in Cumberland is 45.6 years: 38.9 years for males, and 48.4 years for females.