Union
Union has lower-than-average household income, with a median household income of $73,435. The city has grown rapidly, with population up 65% since 2000. Median home value has more than doubled since 2000, reaching $205,200. At a median age of 33.3, residents skew younger than the country as a whole.
Population & growth
PEP 2025 EST:13,445 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
Work & employment
People & community
Places similar to Union
Compare Union to nearby cities
How many people live in Union, Missouri?
Union, Missouri has about 12,781 residents according to the 2024 American Community Survey.
What is the median household income in Union, Missouri?
The typical household in Union, Missouri earns about $73,435 a year. Half of households make more than that, and half make less.
Is Union, Missouri expensive?
In Union, Missouri, the median home is worth about $205,200, and the typical rent is about $858 a month.
How educated are people in Union, Missouri?
About 23.7% of adults age 25 and over in Union, Missouri hold a bachelor's degree or higher.
What is the poverty rate in Union, Missouri?
About 8.1% of people in Union, Missouri live below the federal poverty line.
Has Union, Missouri grown since 1990?
Yes, Union, Missouri has grown since 1990. The population has added about 6,872 residents, a change of about 116 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024