Cumberland is a city in Cass County, Iowa, United States that was founded in 1884.

[3] According to the United States Census Bureau, the city has a total area of 0.60 square miles (1.55 km2), all land.

The racial makeup of the city was 98.9% White, 0.4% Native American, 0.4% Pacific Islander, and 0.4% from two or more races.

37.9% of all households were made up of individuals, and 16.3% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 99.29% White, 0.36% Native American, and 0.36% from two or more races.

34.4% of all households were made up of individuals, and 17.2% had someone living alone who was 65 years of age or older.

About 6.1% of families and 8.3% of the population were below the poverty line, including 10.4% of those under the age of eighteen and 6.3% of those 65 or over.

[9] It was a part of the C & M Community School District,[10] until July 1, 2011, when it merged into CAM.

[11] In honor of Cumberland's centennial celebration in 1984, local residents compiled and distributed copies of a cookbook containing a collection of their favorite recipes.