St. Clair, Missouri Population 2024

4,689

St. Clair Demographics

According to the most recent ACS, the racial composition of St. Clair was:

  • White: 95.77%
  • Two or more races: 3.61%
  • Black or African American: 0.34%
  • Asian: 0.29%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
Land Area (mi²)
4.8 sq mi
Density (mi²)
975.30/sq mi
Growth Since 2020
-2.25% (-108)
The current population of St. Clair, Missouri is 4,689 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 4,797.

Population by Race

Race
Population
Percentage (of total)
White4,56995.77%
Two or more races1723.61%
Black or African American160.34%
Asian140.29%
Native American00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Other race

St. Clair Population by Race

St. Clair Population Pyramid 2024

St. Clair Median Age

39.1

Total

34.6

Male

47.2

Female

St. Clair Adults

There are 3,765 adults, (862 of whom are seniors) in St. Clair.

St. Clair Age Dependency

64.3

Age Dependency Ratio

29.7

Old Age Dependency Ratio

34.7

Child Dependency Ratio

St. Clair Sex Ratio

Female2,56253.7%
Male2,20946.3%

St. Clair Population by Age

St. Clair Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,0472.2956.243.8
Non Family8621.2341.558.5
Married7483.0784.615.4
Female2433.2840.359.7
Male1942.773268

2.94

Average Family Size

2.29

Average Household Size

56.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. Clair Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade60717.54%
Associates Degree3058.82%
Bachelors Degree1724.97%
Graduate Degree260.75%
High School Graduate1,51143.67%
Less Than 9th Grade1043.01%
Some College73521.24%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

St. Clair Educational Attainment by Sex (over 25)

St. Clair Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White3,3692,669198
2+ Races61570
Black1690
Asian14140

The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 5.88%.

St. Clair Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$0$0$81,442
Graduate Degree$0$0$0
High School Graduate$42,475$42,206$42,648
Less Than 9th Grade$23,750$0$0
Overall$37,123$40,098$36,471
Some College$36,659$36,283$37,348

$37,123

Average Earnings

$40,098

Average Male

$36,471

Average Female

St. Clair Earnings by Educational Attainment

St. Clair Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

St. Clair Language

99.63% of St. Clair residents speak only English, while 0.37% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 0.31% of the population.

St. Clair Language

St. Clair Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White4,49794220.95%
Black161381.25%
Multiple17284.65%

20.44%

Overall Poverty Rate

27.06%

Male Poverty Rate

14.67%

Female Poverty Rate

Poverty in St. Clair

The race most likely to be in poverty in St. Clair is Black, with 81.25% below the poverty level.

The race least likely to be in poverty in St. Clair is Multiple, with 4.65% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 9.12%. Among those working part-time, it was 34.84%, and for those that did not work, the poverty rate was 17.2%.

St. Clair Poverty

rate

Rate
Poverty
Bachelors or Greater17.3%
Some College14.62%
Less Than 9th Grade14%
High School13.9%

St. Clair Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed79.75%
Female Unemployed23.21%
Male Employed18.44%
Female Employed7.22%

St. Clair Poverty Rate by Employment Status and Sex

St. Clair Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$39,535$58,182
Households$37,764$49,576
Married Families$51,786$-999,999,999
Non Families$25,000$35,493

mean

median

Income by Household Type

St. Clair Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

44.7%

Overall Marriage Rate

40.7%

Male Marriage Rate

48.1%

Female Marriage Rate

St. Clair Married by Age and Sex

male

female

St. Clair Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

St. Clair Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

St. Clair Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

313

Number of Veterans

300

Male Veterans

13

Female Veterans

War
Veterans
Vietnam99
First Gulf War63
Korea42
Second Gulf War13
World War II0

St. Clair Veterans by War

count

Age Group
Veterans
75+115
65 to 7478
35 to 5475
55 to 6432
18 to 3413

St. Clair Veterans by Age

count

Name
Veterans
% of Total
White3058.3%
2+ Races813.11%

St. Clair Veterans by Race

St. Clair Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.19%

Veteran Poverty Rate

38.34%

Veteran Disability Rate

St. Clair Veterans by Education

LaborForceParticipation

52.4%

Labor Force Participation

48.9%

Employment Rate

6.7%

Unemployment Rate

St. Clair Employment by Age

LaborForceParticipation

St. Clair Employment by Race

LaborForceParticipation

St. Clair Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

71.85%

Born in St. Clair

94.24%

Native Born

5.76%

Foreign Born

5.51%

Non Citizen

0.25%

Naturalized

Place of Birth

94.24% of St. Clair residents were born in the United States, with 71.85% having been born in Missouri. 5.51% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

St. Clair Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20294,554-27-0.59%
20284,581-27-0.59%
20274,608-27-0.58%
20264,635-27-0.58%
20254,662-27-0.58%
20244,689-27-0.57%
20234,716-35-0.74%
20224,751-27-0.57%
20214,778-19-0.4%
20204,7971002.13%
20194,697-29-0.61%
20184,726-11-0.23%
20174,737160.34%
20164,721210.45%
20154,70040.09%
20144,696-8-0.17%
20134,70400%
20124,704-28-0.59%
20114,73280.17%
20104,72400%
20004,39047312.08%
19903,91743212.4%
19803,48550717.02%
19702,9782679.85%
19602,711-1,843-40.47%

St. Clair Population by Year