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CITY · 2020 ACS

St. Clair

Missouri · 4,791 residents · 4.808 sq mi
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The short version

St. Clair has notably lower household income than the US average, with a median household income of $40,947. Population has held roughly steady since 2000. 11% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value has more than doubled since 2000, reaching $119,500. Households here earn about 29% less than the Missouri median.

At a glance
Lower income
below the US median
US median: $66,278
Younger
median age 35.3
US median: 38.8
Less educated
11% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
4,791
+9%since 2000
from 4,390 in 2000
1990 – 2025
Population density
996 / sq mi
+9%since 2000
from 913 / sq mi in 2000
US average: 280
Median age
35.3
+9%since 2000
from 32.3 in 2000
US average: 38.8
Population, 1990 – 2024
4K4K4K5K5K1990201020202024St. Clair
20245K
1990201020202024
Section 02

Income & economy

Median household income
$40,947
−24%inflation adjusted, since 2000
from $35,716 in 2000
US average: $66,278
1990 – 2024
Per capita income
$21,411
+18%since 2000
from $18,101 in 2000
US average: $35,364
Households earning $100K+
26.7%
+18.9 ptssince 2009
from 7.8% in 2009
US average: 43.9%
Poverty rate
17.8%
+7.2 ptssince 2000
from 10.6% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade30.2%
US avg: 10%
Information18.9%
US avg: 11.1%
Wholesale trade5.3%
US avg: 6.7%
Finance & insurance2.4%
US avg: 5.5%
Professional, scientific, technical2.4%
US avg: 4.7%
Transportation & warehousing1.6%
US avg: 2.5%
Agriculture, forestry, fishing1.3%
US avg: 1.7%
Construction1.3%
US avg: 1.2%
Arts, entertainment, food0.9%
US avg: 2%
Other services0.8%
US avg: 6.6%
Public administration0.8%
US avg: 4.7%
Manufacturing0%
US avg: 0.5%
Education & health services0%
US avg: 0.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$119,500
+25%inflation adjusted, since 2000
from $63,700 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$764
+26%inflation adjusted, since 2000
from $404 in 2000
US average: $1,124
Owner-occupied
49.7%
−11.5 ptssince 2000
from 61.2% in 2000
50.3% rent
Afford Score
2.9
+64%since 2000
from 1.8 in 2000
1990 – 2024
RELATED:See current rent listings in St. Clair on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.1%(4,261)
Black0.8%(33)
Hispanic / Latino0.7%(31)
Asian0.2%(9)
Other0%
Diversity Score4.2%(183)
2020
White, non-Hispanic90.4%(4,331)
Black1.3%(62)
Hispanic / Latino2%(96)
Asian0.4%(17)
Other4%(191)
Diversity Score18.4%(882)
Diversity Score
18
+343%since 2000
from 4 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
10.7%
+1.7 ptssince 2000
from 9.1% in 2000
US average: 32.9%
High school or higher
80.9%
+11.9 ptssince 2000
from 69.0% in 2000
US average: 88.5%
Graduate degree
1.9%
−2.4 ptssince 2000
from 4.3% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
27.5 min
+21%since 2000
from 22.7 min in 2000
US average: 26.9
Drive alone to work
91.9%
+15.4 ptssince 2009
from 76.5% in 2009
US average: 75.1%
No vehicle available
8.2%
−3.3 ptssince 2009
from 11.6% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
6.9%
−8.5 ptssince 2011
from 15.4% in 2011
US average: 5.4%
Labor force participation
57.4%
+5.0 ptssince 2011
from 52.4% in 2011
US average: 63.4%
Management & professional
16.5%
−45.7 ptssince 2009
from 62.2% in 2009
US average: 39.3%
Section 08

People & community

Male
50.9%
+7.2 ptssince 2009
from 43.7% in 2009
Female
49.1%
−7.2 ptssince 2009
from 56.3% in 2009
Foreign born
5.8%
+5.1 ptssince 2009
from 0.8% in 2009
US average: 13.5%
Uninsured
7.3%
−80.1 ptssince 2013
from 87.4% in 2013
US average: 8.8%
Drill deeper

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Compare St. Clair to nearby cities

ST. CLAIR VS
Union
Income$73,435+79%
Home value$205,200+72%
Population13,445+179%
SEE FULL COMPARISON →
ST. CLAIR VS
Washington
Income$79,173+93%
Home value$231,800+94%
Population15,906+230%
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ST. CLAIR VS
Eureka
Income$108,394+165%
Home value$379,200+217%
Population13,422+179%
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ST. CLAIR VS
Wildwood
Income$161,060+293%
Home value$495,800+315%
Population34,955+626%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Clair, Missouri?

St. Clair, Missouri has about 4,791 residents according to the 2020 American Community Survey.

What is the median household income in St. Clair, Missouri?

The typical household in St. Clair, Missouri earns about $40,947 a year. Half of households make more than that, and half make less.

Is St. Clair, Missouri expensive?

In St. Clair, Missouri, the median home is worth about $119,500, and the typical rent is about $764 a month.

How educated are people in St. Clair, Missouri?

About 10.7% of adults age 25 and over in St. Clair, Missouri hold a bachelor's degree or higher.

What is the poverty rate in St. Clair, Missouri?

About 17.8% of people in St. Clair, Missouri live below the federal poverty line.

Has St. Clair, Missouri grown since 1990?

Yes, St. Clair, Missouri has grown since 1990. The population has added about 859 residents, a change of about 22 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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