Union is a city located in Franklin County, Missouri. Union has a 2026 population of 13,600. It is also the county seat of Franklin County. Union is currently growing at a rate of 1.5% annually and its population has increased by 9.74% since the most recent census, which recorded a population of 12,393 in 2020.
The median household income in Union is $73,435 with a poverty rate of 8.15%. The median age in Union is 33.3 years: 34.1 years for males, and 32.9 years for females. For every 100 females there are 107.2 males.
Data after 2023 is projected based on recent change
Overall: 33.3 years
Female: 32.9 years
Male: 34.1 years
There are 9,410 adults, (1,585 of whom are seniors) in Union.
Female: 6,168 (48.3%)
Male: 6,613 (51.7%)
The racial composition of Union includes 86.97% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,116 | 86.97% |
| Two or more races | 1,166 | 9.12% |
| Black or African American | 284 | 2.22% |
| Asian | 176 | 1.38% |
| Other race | 36 | 0.28% |
| Native American | 3 | 0.02% |
Union 's average per capita income is $50,729. Household income levels show a median of $73,435. The poverty rate stands at 8.15%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $107,614 | - |
| Families | $88,038 | $96,001 |
| Households | $73,435 | $84,927 |
| Non Families | $46,156 | $56,385 |
Average Income
Median Household Income
Poverty Rate