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.

Demographics

The racial composition of Lake St. Clair includes 87.61% White, 3.13% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	587	87.61%
Two or more races	62	9.25%
Other race	21	3.13%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Lake St. Clair Marital Status

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