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 2026 population of 248. Cumberland is currently declining at a rate of -0.8% annually and its population has decreased by 0% since the most recent census, which recorded a population of 248 in 2020.
The median household income in Cumberland is $47,083 with a poverty rate of 18.87%. The median age in Cumberland is 43.5 years: 36 years for males, and 48.3 years for females. For every 100 females there are 162.6 males.