Wentzville

County:: St. Charles County
County Seat:: No
Area (mi²):: 21.358
State:: Missouri

Wentzville is a city located in St. Charles County, Missouri. Wentzville has a 2025 population of 49,187. Wentzville is currently growing at a rate of 1.75% annually and its population has increased by 9.4% since the most recent census, which recorded a population of 44,962 in 2020.

The average household income in Wentzville is $132,296 with a poverty rate of 4.6%.The median age in Wentzville is 35.7 years: 34.7 years for males, and 36.6 years for females.

Demographics

The racial composition of Wentzville includes 86.98% White, 5.67% 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	39,781	86.98%
Black or African American	2,593	5.67%
Two or more races	2,102	4.6%
Asian	978	2.14%
Other race	268	0.59%
Native American	12	0.03%

Wentzville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Wentzville's average per capita income is $66,063. Household income levels show a median of $111,409. The poverty rate stands at 4.6%.

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	$130,522	-
Families	$118,373	$145,066
Households	$111,409	$132,296
Non Families	$60,040	$73,601

$66,063

Average Income

$111,409

Median Household Income

4.6%

Poverty Rate