Cottleville township

County:: St. Charles County
County Seat:: No
Area (mi²):: 18.304
State:: Missouri

Cottleville township is located in St. Charles County, Missouri. Cottleville township has a 2025 population of 25,619. Cottleville township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Cottleville township is $149,162 with a poverty rate of 3.27%.The median age in Cottleville township is 41.8 years: 41.5 years for males, and 42 years for females.

Demographics

The racial composition of Cottleville township includes 86.24% White, 6.32% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	22,094	86.24%
Black or African American	1,620	6.32%
Two or more races	1,312	5.12%
Asian	406	1.58%
Other race	175	0.68%
Native American	12	0.05%

Cottleville township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Cottleville township's average per capita income is $70,522. Household income levels show a median of $113,357. The poverty rate stands at 3.27%.

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	$159,703	-
Families	$149,816	$174,996
Households	$113,357	$149,162
Non Families	$63,948	$73,119

$70,522

Average Income

$113,357

Median Household Income

3.27%

Poverty Rate