Union is a city located in Franklin County, Missouri. Union has a 2025 population of 13,404. It is also the county seat of Franklin County. Union is currently growing at a rate of 1.53% annually and its population has increased by 8.15% since the most recent census, which recorded a population of 12,394 in 2020.
The average household income in Union is $86,013 with a poverty rate of 7.84%.The median age in Union is 33.9 years: 34.4 years for males, and 32.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Union includes 87.5% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
White (87.5%)
Two or more races (8.5%)
Black or African American (2.0%)
Asian (1.5%)
Other race (0.5%)
Native American (0.0%)
Race | Population | Percentage (of total) |
---|---|---|
White | 10,990 | 87.5% |
Two or more races | 1,063 | 8.46% |
Black or African American | 248 | 1.97% |
Asian | 194 | 1.54% |
Other race | 60 | 0.48% |
Native American | 5 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Union's average per capita income is $49,879. Household income levels show a median of $71,760. The poverty rate stands at 7.84%.
Name | Median | Mean |
---|---|---|
Married Families | $105,656 | - |
Families | $87,986 | $98,195 |
Households | $71,760 | $86,013 |
Non Families | $45,870 | $52,010 |
Average Income
Median Household Income
Poverty Rate