Union County's 2026 population is estimated at 26,098, reflecting a 0.08% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Union County is the 24th largest county in Oregon. The 2010 population was 25,725 and has grown 1.45% since 2010.
Data after 2023 is projected based on recent change
Overall: 40 years
Female: 40.1 years
Male: 39.6 years
There are 20,553 adults, (5,584 of whom are seniors) in Union County.
Female: 13,175 (50.4%)
Male: 12,969 (49.6%)
The racial composition of Union County includes 87.82% White, and smaller percentages for other race, Native Hawaiian or Pacific Islander, Asian, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 22,960 | 87.82% |
| Two or more races | 1,650 | 6.31% |
| Other race | 403 | 1.54% |
| Native Hawaiian or Pacific Islander | 391 | 1.5% |
| Asian | 326 | 1.25% |
| Black or African American | 260 | 0.99% |
| Native American | 154 | 0.59% |
Union County 's average per capita income is $46,935. Household income levels show a median of $65,661. The poverty rate stands at 16.06%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $101,820 | - |
| Families | $81,630 | $101,390 |
| Households | $65,661 | $87,276 |
| Non Families | $38,731 | $59,344 |
Average Income
Median Household Income
Poverty Rate
