St. Clair Flag

St. Clair

County:
Franklin County
County Seat:
No
Area (mi²):
4.808
State:
Missouri

St. Clair is a city located in Franklin County, Missouri. St. Clair has a 2025 population of 4,727 . St. Clair is currently declining at a rate of -0.44% annually and its population has decreased by -2.15% since the most recent census, which recorded a population of 4,831 in 2020.

The average household income in St. Clair is $55,438 with a poverty rate of 16.76%. The median age in St. Clair is 38.1 years: 34.1 years for males, and 43.5 years for females. For every 100 females there are 92.3 males.

4.7K
Total Population
983
Density (mi²)
-21 -0.44%
Growth

St. Clair Population

St. Clair Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. Clair includes 92.87% White, and smaller percentages for Black or African American, other race, Asian and multiracial populations.

Population by Race

White (92.87%)

Two or more races (5.43%)

Black or African American (0.78%)

Other race (0.52%)

Asian (0.4%)

Race
Population
Percentage (of total)
White4,42792.87%
Two or more races2595.43%
Black or African American370.78%
Other race250.52%
Asian190.4%

St. Clair Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Clair's average per capita income is $36,972. Household income levels show a median of $40,933. The poverty rate stands at 16.76%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$60,417-
Families$42,309$62,743
Households$40,933$55,438
Non Families$29,016$37,264

$36,972

Average Income

$40,933

Median Household Income

16.76%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)