Somerset County's 2026 population is estimated at 71,936, reflecting a -0.14% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Somerset County is the 37th largest county in Pennsylvania. The 2010 population was 77,763 and has grown -7.49% since 2010.
Data after 2023 is projected based on recent change
Overall: 46.9 years
Female: 48.9 years
Male: 45.1 years
There are 59,572 adults, (17,404 of whom are seniors) in Somerset County.
Female: 34,715 (47.7%)
Male: 38,084 (52.3%)
The racial composition of Somerset County includes 93.86% White, and smaller percentages for Black or African American, Two or more races, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 68,331 | 93.86% |
| Black or African American | 1,909 | 2.62% |
| Two or more races | 1,726 | 2.37% |
| Asian | 415 | 0.57% |
| Other race | 404 | 0.55% |
| Native American | 13 | 0.02% |
| Native Hawaiian or Pacific Islander | 1 | 0% |
Somerset County 's average per capita income is $41,790. Household income levels show a median of $61,446. The poverty rate stands at 10.99%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $85,329 | $100,702 |
| Families | $79,271 | $93,431 |
| Households | $61,446 | $78,574 |
| Non Families | $33,208 | $47,705 |
Average Income
Median Household Income
Poverty Rate