There were 2,365 housing units at an average density of 70.7 per square mile (27.3/km2).

The racial makeup of the township was 93.84% White, 2.54% African American, 0.30% Native American, 1.45% Asian, 0.02% Pacific Islander, 1.05% from other races, and 0.80% from two or more races.

24.9% of all households were made up of individuals, and 12.3% had someone living alone who was 65 years of age or older.

[8] James Gettys Elementary School, which has a Gettysburg postal address, is in Cumberland Township.

[9] Northern portions of the township are zoned to Gettys Elementary, while southern portions are zoned to Lincoln Elementary School in Gettysburg borough.

[12] Harrisburg Area Community College Gettysburg Campus is in Cumberland Township.