Union County's estimated 2025 population is 40,746 with a growth rate of -1.57% 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 -9.46% since that time.
Data after 2023 is projected based on recent change
The racial composition of Union County includes 89.11% White, 6.05% 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 | 37,935 | 89.11% |
| Black or African American | 2,575 | 6.05% |
| Two or more races | 859 | 2.02% |
| Asian | 750 | 1.76% |
| Other race | 400 | 0.94% |
| Native American | 51 | 0.12% |
Married
Widowed
Divorced
Separated
Never Married
Union County's average per capita income is $43,793. Household income levels show a median of $72,894. The poverty rate stands at 9.66%.
Name | Median | Mean |
|---|---|---|
| Married Families | $104,435 | $129,158 |
| Families | $95,927 | $119,824 |
| Households | $72,894 | $103,373 |
| Non Families | $36,163 | $68,427 |
Average Income
Median Household Income
Poverty Rate