Union County's estimated 2026 population is 41,985 with a growth rate of -0.78% in the past year according to the most recent United States census data. Union County is the 50th largest county in Pennsylvania. The 2010 population was 45,005 and has seen a growth of -6.71% since that time.
Data after 2023 is projected based on recent change
Overall: 41 years
Female: 42.5 years
Male: 39.1 years
There are 35,086 adults, (8,439 of whom are seniors) in Union County.
Female: 19,590 (46.1%)
Male: 22,866 (53.9%)
The racial composition of Union County includes 88.64% White, 5.95% Black or African American, and smaller percentages for Two or more races, Asian, other race, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 37,633 | 88.64% |
| Black or African American | 2,526 | 5.95% |
| Two or more races | 971 | 2.29% |
| Asian | 846 | 1.99% |
| Other race | 422 | 0.99% |
| Native American | 58 | 0.14% |
Union County's average per capita income is $45,339. Household income levels show a median of $76,404. The poverty rate stands at 8.96%.
Name | Median | Mean |
|---|---|---|
| Married Families | $104,600 | $132,662 |
| Families | $97,793 | $122,916 |
| Households | $76,404 | $105,957 |
| Non Families | $37,713 | $68,885 |
Average Income
Median Household Income
Poverty Rate