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COUNTY

St. Clair County

Missouri · 9,976 residents (2025 est.) · 674.981 sq mi
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The short version

St. Clair County has notably lower household income than the US average, with a median household income of $53,043. Population has held roughly steady since 2000. 15% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $157,100. With a median age of 46.1, the population is older than the US median of 38.9.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 46.1
US median: 38.9
Less educated
15% hold a bachelor's degree
US average: 36%
Less affordable
home values up 48%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
9,587
−1%since 2000
from 9,652 in 2000
1990 – 2025
Population density
14 / sq mi
+2%since 2009
from 14 / sq mi in 2009
US average: 281
Median age
46.1
+5%since 2000
from 43.9 in 2000
US average: 38.9

PEP 2025 EST:9,976 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
8K9K9K10K10K1990201020202024St. Clair County
202410K
1990201020202024
Age distribution, 2024
Under 55.4%(519)
US avg: 5.6%
5 to 94.3%(416)
US avg: 6%
10 to 147.6%(731)
US avg: 6.4%
15 to 196.2%(591)
US avg: 6.6%
20 to 243.9%(373)
US avg: 6.5%
25 to 349.9%(953)
US avg: 13.7%
35 to 4410.7%(1,024)
US avg: 13.2%
45 to 5411.2%(1,073)
US avg: 12.2%
55 to 6415.1%(1,450)
US avg: 12.7%
65 to 7414.3%(1,369)
US avg: 10.2%
75 to 848.6%(823)
US avg: 5.1%
85 and over2.8%(265)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$53,043
+15%inflation adjusted, since 2000
from $25,321 in 2000
US average: $82,259
1990 – 2024
Per capita income
$29,315
+109%since 2000
from $14,025 in 2000
US average: $44,673
Households earning $100K+
32.6%
+19.9 ptssince 2009
from 12.7% in 2009
US average: 53.3%
Poverty rate
14.7%
−4.9 ptssince 2000
from 19.6% in 2000
US average: 12.5%
Income inequality (Gini)
0.446
+9%since 2010
from 0.410 in 2010
US average: 0.476
Workforce by industry, 2024
Information13%
US avg: 10.8%
Wholesale trade11.8%
US avg: 6.9%
Finance & insurance11.4%
US avg: 5.9%
Professional, scientific, technical8.8%
US avg: 5.1%
Agriculture, forestry, fishing7.5%
US avg: 1.6%
Construction7.3%
US avg: 1.2%
Retail trade6.1%
US avg: 9.9%
Other services3.1%
US avg: 6.7%
Education & health services2.6%
US avg: 0.9%
Public administration2.5%
US avg: 4.8%
Transportation & warehousing1.8%
US avg: 2.2%
Arts, entertainment, food1.2%
US avg: 1.9%
Manufacturing0.2%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$157,100
+48%inflation adjusted, since 2000
from $58,100 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$622
+18%inflation adjusted, since 2000
from $290 in 2000
US average: $1,442
Owner-occupied
76.0%
−3.4 ptssince 2000
from 79.4% in 2000
24.0% rent
Vacancy rate
23.0%
−1.0 ptssince 2009
from 24.0% in 2009
US average: 10.0%
Owner cost-burdened
15.7%
−6.8 ptssince 2009
from 22.5% in 2009
US average: 22.9%
Renter cost-burdened
34.9%
+7.1 ptssince 2009
from 27.8% in 2009
US average: 47.4%
Afford Score
3.0
+23%since 2009
from 2.4 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
52
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in St. Clair County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic96.7%(9,338)
Black0.2%(20)
Hispanic / Latino1%(95)
Asian0.1%(14)
Other0%
2024
White, non-Hispanic92.8%(8,898)
Black0.8%(77)
Hispanic / Latino2.2%(213)
Asian0.2%(20)
Other4%(379)
Diversity Score
17
+67%since 2009
from 10 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
4
−64%since 2020
from 13 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican1.6%(150)
Salvadoran0.2%(23)
Panamanian0.1%(12)
Venezuelan0.1%(9)
Cuban0%(4)
Asian origin
Vietnamese0.1%(12)
Korean0.1%(7)
Filipino0.1%(5)
Ancestry
German21%(2,011)
English11.6%(1,109)
Irish10.8%(1,034)
American9.7%(934)
Italian1.6%(152)
French1.4%(133)
Swedish0.8%(80)
Scotch-Irish0.8%(79)
Scottish0.8%(75)
Dutch0.8%(74)
Welsh0.6%(62)
Croatian0.6%(56)
+ 20 more ancestry groups with data
Norwegian0.4%(41)
Polish0.4%(35)
British0.3%(30)
Arab0.2%(20)
Syrian0.2%(20)
Danish0.2%(19)
Swiss0.2%(18)
Hungarian0.2%(17)
Turkish0.2%(16)
Russian0.2%(15)
Romanian0.1%(14)
Austrian0.1%(13)
Greek0.1%(13)
Czech0.1%(11)
Canadian0.1%(9)
Belgian0.1%(5)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest American population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
14.7%
+5.7 ptssince 2000
from 9.0% in 2000
US average: 35.6%
High school or higher
86.0%
+12.9 ptssince 2000
from 73.1% in 2000
US average: 89.6%
Graduate degree
4.5%
+0.8 ptssince 2000
from 3.7% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
28.4 min
+21%since 2000
from 23.4 min in 2000
US average: 26.5
Drive alone to work
75.5%
+4.3 ptssince 2009
from 71.2% in 2009
US average: 68.9%
Carpooled to work
13.7%
+1.5 ptssince 2009
from 12.2% in 2009
US average: 8.5%
Public transit
0.2%
−1.0 ptssince 2009
from 1.2% in 2009
US average: 3.2%
Worked from home
8.8%
+0.2 ptssince 2009
from 8.7% in 2009
US average: 15.0%
Walked to work
1.4%
−4.1 ptssince 2009
from 5.5% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
5.6%
+0.3 ptssince 2009
from 5.4% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.3%
−4.1 ptssince 2011
from 7.4% in 2011
US average: 5.2%
Labor force participation
52.8%
−1.2 ptssince 2011
from 54.1% in 2011
US average: 63.5%
Self-employed
14.0%
−3.2 ptssince 2009
from 17.1% in 2009
US average: 13.1%
Management & professional
28.6%
−33.0 ptssince 2009
from 61.6% in 2009
US average: 42.5%
Section 08

People & community

Male
51.1%
+1.2 ptssince 2009
from 49.9% in 2009
Female
48.9%
−1.2 ptssince 2009
from 50.1% in 2009
Foreign born
1.2%
+0.8 ptssince 2009
from 0.4% in 2009
US average: 14.1%
Veterans
8.7%
−40.4 ptssince 2009
from 49.1% in 2009
US average: 6.2%
With a disability
20.9%
−3.1 ptssince 2012
from 24.0% in 2012
US average: 13.3%
Uninsured
10.6%
−70.9 ptssince 2013
from 81.5% in 2013
US average: 8.4%
Broadband at home
82.4%
+22.4 ptssince 2017
from 60.0% in 2017
US average: 91.0%
English only at home
97.6%
+2.7 ptssince 2016
from 94.9% in 2016
US average: 77.7%
Spanish at home
0.7%
−0.5 ptssince 2016
from 1.3% in 2016
US average: 13.6%
Marital status
Men 15+
Never married21.3%(857)
Married55.1%(2,215)
Widowed5.9%(236)
Divorced17.6%(709)
Women 15+
Never married19%(741)
Married53%(2,068)
Widowed11.7%(456)
Divorced16.4%(639)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Head to head

Compare St. Clair County to nearby counties

ST. CLAIR COUNTY VS
Cedar County
Income$48,181−9%
Home value$168,100+7%
Population14,888+49%
SEE FULL COMPARISON →
ST. CLAIR COUNTY VS
Henry County
Income$57,926+9%
Home value$160,600+2%
Population22,671+127%
SEE FULL COMPARISON →
ST. CLAIR COUNTY VS
Hickory County
Income$39,390−26%
Home value$176,100+12%
Population9,044−9%
SEE FULL COMPARISON →
ST. CLAIR COUNTY VS
Benton County
Income$52,567−1%
Home value$177,900+13%
Population20,536+106%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Clair County, Missouri?

St. Clair County, Missouri has about 9,587 residents according to the 2024 American Community Survey.

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

The typical household in St. Clair County, Missouri earns about $53,043 a year. Half of households make more than that, and half make less.

Is St. Clair County, Missouri expensive?

In St. Clair County, Missouri, the median home is worth about $157,100, and the typical rent is about $622 a month.

How educated are people in St. Clair County, Missouri?

About 14.7% of adults age 25 and over in St. Clair County, Missouri hold a bachelor's degree or higher.

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

About 14.7% of people in St. Clair County, Missouri live below the federal poverty line.

Has St. Clair County, Missouri grown since 1990?

Yes, St. Clair County, Missouri has grown since 1990. The population has added about 1,130 residents, a change of about 13 percent over that period.

Keep going

Explore from here

3 census tracts
Census Tract 4801Census Tract 4803Census Tract 4802
6 ZIP codes
ZIP 64776ZIP 64724ZIP 64763ZIP 64738ZIP 64780ZIP 64781
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →

St. Clair County, Missouri: demographics, income & housing data · CensusEasy