Union Flag

Union

County:
Franklin County
County Seat:
Yes
Area (mi²):
9.092
State:
Missouri

Union is a city located in Franklin County, Missouri. Union has a 2025 population of 13,399 . It is also the county seat of Franklin County . Union is currently growing at a rate of 1.52% annually and its population has increased by 8.12% since the most recent census, which recorded a population of 12,393 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. For every 100 females there are 103.9 males.

13.4K
Total Population
1,474
Density (mi²)
201 1.52%
Growth

Union Population

Union Population

Data after 2023 is projected based on recent change

Demographics

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.

Population by Race

White (87.5%)

Two or more races (8.46%)

Black or African American (1.97%)

Asian (1.54%)

Other race (0.48%)

Native American (0.04%)

Race
Population
Percentage (of total)
White10,99087.5%
Two or more races1,0638.46%
Black or African American2481.97%
Asian1941.54%
Other race600.48%
Native American50.04%

Union Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$105,656-
Families$87,986$98,195
Households$71,760$86,013
Non Families$45,870$52,010

$49,879

Average Income

$71,760

Median Household Income

7.84%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)