St. Clair vs Union

A side-by-side comparison of St. Clair and Union: population, income, housing, and more.

St. Clair and Union are places in Missouri. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Union has the higher population (12,560 vs 4,767 in St. Clair). Union has the higher median household income ($71,760 vs $40,933 in St. Clair). Union has the higher median home value ($199,100 vs $134,100 in St. Clair).

Population, income & housing

	St. Clair	Union
Population	4,767	12,560
Median age	38.1 yrs	33.9 yrs
Median household income	$40,933	$71,760
Median home value	$134,100	$199,100
Median gross rent	$874	$847
Housing units	2,286	5,180
Homeownership rate	54.2%	62.9%
Bachelor's degree or higher	8.0%	25.6%
Unemployment rate	7.7%	5.2%

Trends (ACS 5-year, 2019–2023)

	St. Clair	Union
Population	4,718 → 4,767 (+1.0%)	11,475 → 12,560 (+9.5%)
Median household income	$41,036 → $40,933 (-0.3%)	$52,577 → $71,760 (+36.5%)
Median home value	$108,900 → $134,100 (+23.1%)	$148,800 → $199,100 (+33.8%)
Median gross rent	$694 → $874 (+25.9%)	$726 → $847 (+16.7%)

St. Clair

Population

4,7184,767

Median household income

$41,036$40,933

Median home value

$108,900$134,100

Median gross rent

$694$874

Union

Population

11,47512,560

Median household income

$52,577$71,760

Median home value

$148,800$199,100

Median gross rent

$726$847

Age & race/ethnicity

Age distribution (share)

	St. Clair	Union
Under 5	4.3%	8.0%
5 to 17	17.6%	17.8%
18 to 24	7.4%	8.8%
25 to 34	16.3%	17.1%
35 to 44	12.7%	14.0%
45 to 54	10.4%	10.1%
55 to 64	15.7%	11.6%
65 to 74	8.9%	7.0%
75 and over	6.8%	5.7%

Race & ethnicity (share)

	St. Clair	Union
White (non-Hispanic)	92.6%	86.8%
Black or African American	0.8%	2.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.4%	1.4%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	5.4%	6.9%
Hispanic or Latino	0.8%	2.8%

Educational attainment (age 25+)

Share of adults 25+

	St. Clair	Union
No high school diploma	17.1%	8.4%
High school graduate	43.1%	32.1%
Some college or associate's	31.7%	33.9%
Bachelor's degree	6.4%	17.9%
Graduate or professional degree	1.7%	7.7%

Commute to work

How workers get to work (share)

	St. Clair	Union
Drove alone	72.0%	77.0%
Carpooled	20.2%	11.4%
Public transit	0.1%	0.6%
Walked	1.6%	0.8%
Bicycle	0.0%	0.0%
Worked from home	6.2%	9.0%
Other means	0.0%	1.1%

Housing

Units in structure (share)

	St. Clair	Union
1-unit, detached	60.7%	66.8%
1-unit, attached	2.1%	8.8%
2 to 4 units	9.8%	8.8%
5 to 19 units	11.0%	5.5%
20 or more units	4.5%	2.8%
Mobile home & other	12.0%	7.3%

Poverty & households

	St. Clair	Union
Poverty rate	16.8%	7.8%
Average household size	2.34	2.57
Mean commute (minutes)	24	25
Median year structure built	1972	1996