Union County's 2026 population is estimated at 275,138, reflecting a 2.18% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Union County is the 8th largest county in North Carolina. The 2010 population was 202,110 and has grown 36.13% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.2 years
Female: 39.9 years
Male: 38.5 years
There are 186,726 adults, (33,972 of whom are seniors) in Union County.
Female: 126,332 (50.3%)
Male: 124,626 (49.7%)
The racial composition of Union County includes 69.22% White, 11.16% Black or African American, 6.2% other race, 4.51% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 173,717 | 69.22% |
| Black or African American | 28,009 | 11.16% |
| Two or more races | 20,966 | 8.35% |
| Other race | 15,550 | 6.2% |
| Asian | 11,323 | 4.51% |
| Native American | 1,319 | 0.53% |
| Native Hawaiian or Pacific Islander | 74 | 0.03% |
Union County 's average per capita income is $57,655. Household income levels show a median of $102,900. The poverty rate stands at 7.68%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $133,957 | $169,654 |
| Families | $118,218 | $153,818 |
| Households | $102,900 | $137,465 |
| Non Families | $50,036 | $66,896 |
Average Income
Median Household Income
Poverty Rate