Wentzville is a city located in St. Charles County, Missouri. Wentzville has a 2026 population of 50,328. Wentzville is currently growing at a rate of 1.7% annually and its population has increased by 11.14% since the most recent census, which recorded a population of 45,282 in 2020.
The median household income in Wentzville is $112,394 with a poverty rate of 5.37%. The median age in Wentzville is 36.5 years: 35 years for males, and 38.5 years for females. For every 100 females there are 102.8 males.
Data after 2023 is projected based on recent change
Overall: 36.5 years
Female: 38.5 years
Male: 35 years
There are 33,075 adults, (6,519 of whom are seniors) in Wentzville.
Female: 23,202 (49.3%)
Male: 23,859 (50.7%)
The racial composition of Wentzville includes 85.07% White, 6.71% Black or African American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 40,036 | 85.07% |
| Black or African American | 3,156 | 6.71% |
| Two or more races | 2,745 | 5.83% |
| Asian | 766 | 1.63% |
| Other race | 319 | 0.68% |
| Native Hawaiian or Pacific Islander | 28 | 0.06% |
| Native American | 11 | 0.02% |
Wentzville 's average per capita income is $67,092. Household income levels show a median of $112,394. The poverty rate stands at 5.37%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $135,151 | - |
| Families | $121,390 | $145,887 |
| Households | $112,394 | $130,085 |
| Non Families | $55,428 | $66,834 |
Average Income
Median Household Income
Poverty Rate