Cumberland County's 2026 population is estimated at 279,884, reflecting a 0.94% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cumberland County is the 15th largest county in Pennsylvania. The 2010 population was 235,903 and has grown 18.64% since 2010.
Overall: 40.2 years
Female: 41 years
Male: 39.3 years
There are 213,397 adults, (50,986 of whom are seniors) in Cumberland County.
Female: 134,567 (50.2%)
Male: 133,756 (49.8%)
The racial composition of Cumberland County includes 82.12% White, 5.8% Asian, 4.44% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 220,348 | 82.12% |
| Two or more races | 16,191 | 6.03% |
| Asian | 15,553 | 5.8% |
| Black or African American | 11,921 | 4.44% |
| Other race | 4,199 | 1.56% |
| Native American | 110 | 0.04% |
| Native Hawaiian or Pacific Islander | 1 | 0% |
Cumberland County 's average per capita income is $57,570. Household income levels show a median of $87,494. The poverty rate stands at 7.48%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $122,360 | $147,970 |
| Families | $110,358 | $135,689 |
| Households | $87,494 | $112,868 |
| Non Families | $56,059 | $70,594 |
Average Income
Median Household Income
Poverty Rate