Census place 2974626

Union

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Union city

Relocation snapshot

What stands out in Union.

According to the 2025 estimate, Union has a population of 13,445 and 1,480 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 81 covered Missouri places are: median gross rent is $858, below the comparison median of $1,083; typical commute is 24.2 minutes, above the comparison median of 21.5 minutes; and population density is 1,480/sq mi, below the comparison median of 1,612/sq mi. These unweighted medians compare covered Census places and are not statewide estimates.

median gross rent
$858
Below the comparison median of $1,083
typical commute
24.2 minutes
Above the comparison median of 21.5 minutes
population density
1,480/sq mi
Below the comparison median of 1,612/sq mi

National context

Follow the metrics.

Compare Union's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population
13,445
2025 estimate
Annual change
+1.8%
Population estimate
Density
1,480/sq mi
9.1 sq mi land area
Median age
33.3 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$73,435
Median home value
$205,200
Median gross rent
$858
Bachelor’s degree or higher
23.7%
Typical commute
24.2 min
Drive-alone commute
79%
Public transit commute
0.7%
Walked to work
1%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes
39.4%
Renters paying 30%+ of income
24.8%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+
64.1%
Unemployed residents 16+
2.5%
Working from home
9%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband
94.5%
Homes built 2020+
2.2%
Households without a vehicle
5.9%
Households with children
36.5%
Residents with a disability
12.4%
Residents without insurance
7.8%

Environmental context

A record of declared events.

FEMA declarations for Franklin County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000
13
Flood declarations
5
Severe Storm declarations
4
Severe Ice Storm declarations
3

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: ST LOUIS SPIRIT OF ST LOUIS AP (23 mi from place center)
Average high
67.1°F
Average low
45.1°F
Annual rainfall
39.8"
Annual snowfall
0"

Month by month

A year in Union.

Typical high and low °F
20°F40°F60°F80°F100°F
JFMAMJJASOND
Typical precipitation inches

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

Madison, IN

Population, housing, work, and travel data for this Census place.

Population
12,304
Median home
$203,100

Bolivar, MO

Population, housing, work, and travel data for this Census place.

Population
11,994
Median home
$201,600

Sharonville, OH

Population, housing, work, and travel data for this Census place.

Population
13,997
Median home
$223,800

Keep exploring

Compare Union with Madison