Union, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Union, Missouri is 12,560 as of the 2023 American Community Survey, making it the 73rd-largest city in Missouri. The median household income is $71,760, the median home value is $199,100, and the median age is 33.9.
The population has grown 28.2% since 2010 (10,294 → 13,198).
12,560
Population
1381
People / sq mi
$71,760
Median Income
$199,100
Median Home Value
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Union covers 9.1 sq mi of land at 1381 people per square mile.
About Union, MO
Union skews on age — the median resident is 33.9, younger than the national median. With 12,560 residents, Union is a city in Missouri.
Median household income is $71,760, below the US median of $78,538. The poverty rate is 7.3%, below the national 12.4%. Housing is relatively affordable, with a median home value of $199,100, with typical rent around $847.
25.6% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is below the national 14.0% at 9.0%, and the average commute runs about 25 minutes each way.
Union city Population History (2010-2024)
The city of Union city had a population of 10,294 in 2010 and 13,198 in 2024, a 28.2% growth over 14 years. The peak was 13,198 in 2024. Average annual growth rate: 1.79%.
13,198
Population (2024)
10,294
Population (2010)
13,198
Peak (2024)
1.79%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,294 |
| 2011 | 10,368 |
| 2012 | 10,448 |
| 2013 | 10,563 |
| 2014 | 10,840 |
| 2015 | 10,932 |
| 2016 | 11,252 |
| 2017 | 11,505 |
| 2018 | 11,708 |
| 2019 | 11,990 |
| 2020 | 12,393 |
| 2021 | 12,509 |
| 2022 | 12,762 |
| 2023 | 13,007 |
| 2024 | 13,198 |
Race & Ethnicity
| White | 87.5% |
| Black or African American | 2.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Economy & Income
$71,760
Median Household Income
$33,008
Per Capita Income
7.3%
Poverty Rate
3.4%
Unemployment Rate
Housing
$199,100
Median Home Value
$847
Median Rent
62.9%
Owner-Occupied
Education
91.6%
High School+
25.6%
Bachelor's+
Commute
0.6%
Drive Alone
77.0%
Public Transit
9.0%
Work From Home
24.9 min
Avg Commute
Community Profile
19.8%
Foreign Born
97.6%
Non-English at Home
9.6%
Veterans
12.0%
With Disability
91.4%
Health Insurance
95.0%
Internet Access
Employment by Industry
| Manufacturing | 25.8% |
| Professional, Scientific & Management | 23.3% |
| Education, Health Care & Social Services | 8.1% |
| Finance, Insurance & Real Estate | 7.5% |
| Public Administration | 6.5% |
| Information | 4.7% |
| Construction | 4.2% |
| Retail Trade | 3.1% |
| Arts, Entertainment & Food Services | 2.7% |
| Transportation & Warehousing | 1.4% |
| Agriculture & Mining | 0.3% |
Largest cities in Missouri
Largest counties in Missouri
Part of Missouri
Metro areas in Missouri
City rankings
Frequently Asked Questions
Union, Missouri has a population of 12,560 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 73rd-largest city in Missouri.
The median household income in Union, Missouri is $71,760, with 7.3% of residents living below the federal poverty level.
The median home value in Union, Missouri is $199,100, with median monthly rent at $847 and a homeownership rate of 62.9%.
The median age in Union, Missouri is 33.9 years. The population is 51.0% male and 49.0% female.
The population has grown 28.2% since 2010 (10,294 → 13,198).
Where to stay in Union
Visiting or relocating to Union, MO? Compare hotels and short-term rentals across the metro — live availability and prices.
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Population, race, income, age, and trends across Missouri
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.