Lake St. Clair Flag

Lake St. Clair

County:
Franklin County
County Seat:
No
Area (mi²):
0.724
State:
Missouri

Lake St. Clair is a CDP located in Franklin County, Missouri. Lake St. Clair has a 2025 population of 1,056 . Lake St. Clair is currently growing at a rate of 7.1% annually and its population has increased by 52.6% since the most recent census, which recorded a population of 692 in 2020.

The average household income in Lake St. Clair is $74,858 with a poverty rate of 0%. The median age in Lake St. Clair is 35.2 years: 29 years for males, and 41.6 years for females. For every 100 females there are 82.1 males.

1.1K
Total Population
1,459
Density (mi²)
70 7.1%
Growth

Lake St. Clair Population

Lake St. Clair Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Lake St. Clair includes 87.61% White, 3.13% other race, and smaller percentages for and multiracial populations.

Population by Race

White (87.61%)

Two or more races (9.25%)

Other race (3.13%)

Race
Population
Percentage (of total)
White58787.61%
Two or more races629.25%
Other race213.13%

Lake 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

Lake St. Clair's average per capita income is $48,393. Household income levels show a median of $80,392. The poverty rate stands at 0%.

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$81,833-
Families$81,194$91,491
Households$80,392$74,858
Non Families-$40,903

$48,393

Average Income

$80,392

Median Household Income

0%

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)