St. Clair, Missouri Population 2023

4,812

St. Clair is a city located in Franklin County Missouri. With a 2023 population of 4,812, it is the 147th largest city in Missouri and the 6784th largest city in the United States.St. Clair is currently growing at a rate of 0.15% annually and its population has increased by 0.44% since the most recent census, which recorded a population of 4,791 in 2020. Spanning over 5 miles, St. Clair has a population density of 1,009 people per square mile.

The average household income in St. Clair is $48,847 with a poverty rate of 22.4%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in St. Clair is 35 years, 31.1 years for males, and 40.3 years for females.

St. Clair Demographics

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

  • White: 95.64%
  • Native American: 2.21%
  • Two or more races: 1.49%
  • Black or African American: 0.38%
  • Native Hawaiian or Pacific Islander: 0.28%
  • Asian: 0%
  • Other race: 0%
The current population of St. Clair, Missouri is 4,812 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 4,791.

St. Clair, Missouri Population 2023

Population by Race

White

Native American

Two or more races

Black or African American

Native Hawaiian or Pacific Islander

Asian

Other race

St. Clair Population by Race

St. Clair Population Pyramid 2023

St. Clair Median Age

35

Total

31.1

Male

40.3

Female

St. Clair Adults

There are 3,580 adults, (708 of whom are seniors) in St. Clair.

St. Clair Age Dependency

63.7

Age Dependency Ratio

24.7

Old Age Dependency Ratio

39.1

Child Dependency Ratio

St. Clair Sex Ratio

Female2,30849.09%
Male2,39450.91%

St. Clair Population by Age

St. Clair Renter vs Owner Occupied by Household Type

3.06

Average Family Size

2.42

Average Household Size

62.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. Clair Households and Families

Male

Female

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

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

The highest rate of bachelors degrees is among hispanic people with a rate of 55.81%.

St. Clair Educational Attainment by Race

All

Male

Female

$38,461

Average Earnings

$40,563

Average Male

$33,140

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 Other Indo-European, which is spoken by 0.37% of the population.

St. Clair Language

St. Clair Poverty by Race

rate

22.4%

Overall Poverty Rate

17.26%

Male Poverty Rate

18.46%

Female Poverty Rate

Poverty in St. Clair

The race most likely to be in poverty in St. Clair is Black, with 100% below the poverty level.

The race least likely to be in poverty in St. Clair is White, with 23.4% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.22%. Among those working part-time, it was 27.04%, and for those that did not work, the poverty rate was 12.49%.

St. Clair Poverty

St. Clair Poverty Rate by Education

St. Clair Poverty Rate by Employment Status and Sex

St. Clair Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

mean

median

Income by Household Type

St. Clair Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

54.7%

Overall Marriage Rate

54.1%

Male Marriage Rate

55.4%

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 55-64.

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

282

Number of Veterans

282

Male Veterans

Female Veterans

St. Clair Veterans by War

St. Clair Veterans by Age

count

St. Clair Veterans by Race

St. Clair Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

1.06%

Veteran Poverty Rate

46.45%

Veteran Disability Rate

St. Clair Veterans by Education

LaborForceParticipation

57.4%

Labor Force Participation

53.5%

Employment Rate

6.9%

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

69.17%

Born in St. Clair

92.42%

Native Born

5.72%

Foreign Born

5.32%

Non Citizen

0.4%

Naturalized

Place of Birth

92.42% of St. Clair residents were born in the United States, with 69.17% having been born in Missouri. 5.32% 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 2020 is projected based on recent growth

St. Clair Population by Year