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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

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%
Native Hawaiian or Pacific Islander	0	0%

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