County profile

St. Clair County

Missouri · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
9,587
Median household income
$53,043
People below poverty
14.7%
Median home value
$157,100

Income

The median income of households in St. Clair County, Missouri was $53,043. An estimated 5.7% of households had income below $10,000 a year and 3.3% had income of $200,000 or more.

Household Income in St. Clair County, Missouri in 2020-2024

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Percent
Less than $10,000 5.7
$10,000 to $14,999 7
$15,000 to $24,999 10
$25,000 to $34,999 10.6
$35,000 to $49,999 14.6
$50,000 to $74,999 19.5
$75,000 to $99,999 11.7
$100,000 to $149,999 14.2
$150,000 to $199,999 3.4
$200,000 or more 3.3

Median Earnings for Full-Time Year-Round Workers by Sex in St. Clair County, Missouri in 2020-2024

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Dollars
Male 51667
Female 43420

An estimated 64.3% of households received earnings. An estimated 46.6% of households received Social Security and an estimated 27 % of households received retirement income other than Social Security. The average income from Social Security was $20,768. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in St. Clair County, Missouri in 2020-2024

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Percent
Earnings 64.3
Social Security 46.6
Retirement income 27
Supplemental Security Income (SSI) 6.4
Cash public assistance income 0.8

Poverty and Participation in Government Programs

In 2020-2024, 14.7 % of people were in poverty. An estimated 15% of children under 18 were below the poverty level, compared with 15.2% of people 65 years old and over. An estimated 14.3% of people 18 to 64 years were below the poverty level.

Poverty Rates in St. Clair County, Missouri in 2020-2024

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Percent
People in poverty 14.7
Children under 18 years below poverty 15
People 65 years old and over below poverty 15.2
People 18 to 64 years below poverty 14.3

In 2020-2024, 13.5 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 41.6% of households that received SNAP had children under 18, and 40.7% of households that received SNAP had one or more people 60 years and over. An estimated 22.5% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in St. Clair County, Missouri in 2020-2024, 89.4% had health insurance coverage and 10.6% did not have health insurance coverage. Private coverage was 60.4% and public coverage was 45.9%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 7.2%.


In 2020-2024, St. Clair County, Missouri had a total population of 9,587 - 4,687 (48.9%) females and 4,900 (51.1%) males. The median age was 46.1 years. An estimated 21.3% of the population was under 18 years, 24.5% was 19 to 44 years, 26.3% was 45 to 64 years, and 25.6 % was 65 years and older.

Population by Age and Sex for St. Clair County, Missouri in 2020-2024

Male Female
Under 5 275 244
5 to 9 165 251
10 to 14 443 288
15 to 19 285 306
20 to 24 228 145
25 to 29 215 241
30 to 34 251 246
35 to 39 305 210
40 to 44 217 292
45 to 49 248 239
50 to 54 298 288
55 to 59 446 382
60 to 64 302 320
65 to 69 433 314
70 to 74 287 335
75 to 79 242 355
80 to 84 155 71
85 and over 105 160

Hispanic Origin and Race

For people reporting one race alone, 93.5% were White; 0.8% were Black or African American; 9.6% were American Indian and Alaska Native; 0.3% were Asian; 0.5% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 4.6% reported Two or More Races. An estimated 2.2% of the people in St. Clair County, Missouri were Hispanic or Latino. An estimated 92.8% of the people in St. Clair County, Missouri were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 4,071 households in St. Clair County, Missouri. The average household size was 2.31 people.

Married-couple households made up 47% of the households in St. Clair County, Missouri while cohabiting couple households made up 5% of households. Female householders with no spouse or partner present were 24.1% of all households, while 24% of households had male householders with no spouse or partner present. Some households had one person, as 17.2% of households were male householders living alone, and 14.5% were female householders living alone, for a total of 31.7% of all households.

In St. Clair County, Missouri, 26.6% of all households had one or more people under the age of 18; 43.9% of all households had one or more people 65 years and over.

Types of Households in St. Clair County, Missouri in 2020-2024

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Percent
Married-couple households 47
Cohabiting Couples 5
Male Householder
No spouse/partner present
24
Female Householder
No spouse/partner present
24.1

Marital Status

Among persons 15 and older, 53.6% of males and 51.9% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 21.3 19
Now married, except separated 53.6 51.9
Separated 1.6 1.1
Widowed 5.9 11.7
Divorced 17.6 16.4

Grandparents and Grandchildren

In St. Clair County, Missouri, 257 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 32.3% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 98.8% of the people living in St. Clair County, Missouri were U.S. natives. 68.5% of the St. Clair County, Missouri population were living in the state where they were born.

Approximately 1.2% of St. Clair County, Missouri residents in 2020-2024 were foreign-born. 30.4% of foreign-born were naturalized U.S. citizens and an estimated 53.6 % entered the country before the year 2010.

Foreign-born residents of St. Clair County, Missouri come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for St. Clair County, Missouri.

Region of Birth for the Foreign-Born Population in St. Clair County, Missouri in 2020-2024

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Percent
Latin America 39.3
Asia 17.9
Europe 9.8
Africa 3.6
Northern America 1.8
Oceania 27.7

Language

Among people at least five years old living in St. Clair County, Missouri in 2020-2024, 2.4 % spoke a language other than English at home. Spanish was spoken by 0.7% of people at least five years old; 0.5% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in St. Clair County, Missouri in 2020-2024

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Percent
Spanish 0.7
Other Indo-European languages 1.6
Asian and Pacific Islander languages 0.1
Other languages 0

Geographic Mobility

In 2020-2024, 88.8 % of the people at least one year old living in St. Clair County, Missouri were living in the same house one year earlier.

Geographic Mobility of Residents of St. Clair County, Missouri in 2020-2024

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Percent
Same house 88.8
Different house, same county 3.2
Different county, same state 5.6
Different state 2.2
Abroad 0.1

Education

In 2020-2024, 86 % of people 25 years and over had at least graduated from high school and 14.7% had a bachelor's degree or higher. An estimated 14.1% did not complete high school.

The total school enrollment in St. Clair County, Missouri was 1,914 in 2020-2024. Nursery school enrollment was 171 and kindergarten through 12th grade enrollment was 1,560. College or graduate school enrollment was 183.

Educational Attainment of People in St. Clair County, Missouri in 2020-2024

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Percent
Less than high school diploma 14.1
High school diploma or equivalency 42.4
Some college, no degree 20.5
Associate's degree 8.4
Bachelor's degree 10.2
Graduate or professional degree 4.5

Disability

In St. Clair County, Missouri, among the civilian noninstitutionalized population in 2020-2024, 20.9 % reported a disability. The likelihood of having a disability varied by age - from 5.1% of people under 18 years old, to 18.4% of people 18 to 64 years old, and to 39.5% of those 65 and over.


Employment Status and Type of Employer

In St. Clair County, Missouri, 50.9 % of the population 16 and over were employed; 47.2% were not currently in the labor force.

An estimated 71.7% of the people employed were private wage and salary workers; 16.2% were federal, state, or local government workers; and 11.8 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 2,851 71.7
Federal, state, or local government workers 644 16.2
Self-employed workers in own not incorporated business 469 11.8

Industries

In 2020-2024, the civilian employed population 16 years and older in St. Clair County, Missouri worked in the following industries:

Percent by Industry in St. Clair County, Missouri in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 7.5
Construction 11.8
Manufacturing 6.1
Wholesale trade 1.8
Retail trade 13
Transportation and warehousing, and utilities 11.4
Information 1.2
Finance and insurance, and real estate and rental and leasing 3.1
Professional, scientific, and management, and administrative and waste management services 8.4
Educational services, and health care and social assistance 20.7
Arts, entertainment, and recreation, and accommodation, and food services 4.5
Other Services, except public administration 5.3
Public administration 5.4

Occupations

Occupations for the Civilian Employed Population 16 Years and over in St. Clair County, Missouri in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 1,137 28.6
Service occupations 673 16.9
Sales and office occupations 807 20.3
Natural resources, construction, and maintenance occupations 698 17.6
Production, transportation, and material moving occupations 661 16.6

Commuting to Work

An estimated 75.5% of St. Clair County, Missouri workers drove to work alone in 2020-2024, and 13.7% carpooled. Among those who commuted to work, it took them on average 28.4 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in St. Clair County, Missouri in 2020-2024

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Percent
Car, truck, van -- drove alone 75.5
Car, truck, van -- carpooled 13.7
Public transportation (excluding taxicab) 0.2
Walked 1.4
Other means 0.4
Worked from home 8.8

In 2020-2024, St. Clair County, Missouri had a total of 5,290 housing units. Of these housing units, 74.2% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 5.9% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 19.7% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in St. Clair County, Missouri in 2020-2024

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Percent
Single-family houses 74.2
Apartments in multi-unit structures 5.9
Mobile homes 19.7
Boat, RV, van, etc 0.2

8.1% of the housing inventory was comprised of houses built since 2010, while 13.8% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in St. Clair County, Missouri was 5.3 rooms, and of these housing units 55.1% had three or more bedrooms.


In 2020-2024, St. Clair County, Missouri had 4,071 housing units that were occupied or had people living in them, while the remaining 1,219 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 76% while renters occupied 24%. The average household size of owner-occupied houses was 2.43 and in renter-occupied houses it was 1.94.

2.2% of householders of these occupied houses had moved into their house since 2021, while 9.7% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 5.6% and another 34.2% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in St. Clair County, Missouri:

House Heating Fuel Used in St. Clair County, Missouri in 2020-2024

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Percent
Gas 39.4
Electricity 41.3
Fuel oil, kerosene, etc 0
All other fuels 19.3
No fuel used 0

In 2020-2024, the median property value for owner-occupied houses in St. Clair County, Missouri was $157,100.

Of the owner-occupied households, 44.3 % had a mortgage. 55.7% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $1,190 and for owners without a mortgage it was $444.

For renter-occupied houses, the median gross rent for St. Clair County, Missouri was $622. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.