Wentzville, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Wentzville, Missouri had a total population of 47,061, the 15th largest city in Missouri, with a median household income of $112,394, which is 59% higher than the state average. The poverty rate is 5.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 59% above the state average — one of the wealthiest communities in Missouri.
- 39.6% of adults hold a bachelor's degree or higher — top 10% in Missouri.
Wentzville Quick Facts
How Wentzville Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 45,734 | 47,061 | +2.9% |
| Median household income | $111,409 | $112,394 | +0.9% |
| Median home value | $302,700 | $331,300 | +9.4% |
How Wentzville Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 40 | National average: 61
Education
Educational Attainment (Adults 25+)
Wentzville Rankings in Missouri
Explore Missouri Rankings
Other Cities in St. Charles County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| O'Fallon | 93,801 | $110,443 | 5.4% | $326,200 |
| St. Charles | 71,508 | $85,937 | 7.3% | $298,700 |
| St. Peters | 59,092 | $91,637 | 5.7% | $269,900 |
| Lake St. Louis | 18,066 | $125,693 | 4.3% | $405,900 |
| Dardenne Prairie | 13,503 | $152,500 | 1.3% | $432,000 |
| Cottleville | 5,937 | $131,310 | 2.0% | $435,400 |
| Weldon Spring | 5,310 | $158,548 | 0.7% | $544,300 |
| St. Paul | 3,456 | $159,022 | 0.5% | $443,600 |
| Foristell | 1,096 | $116,581 | 1.7% | $431,700 |
| Josephville | 664 | $107,708 | 18.1% | $494,600 |
Cities Similar to Wentzville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Chesterfield | 49,574 | $133,037 | $472,500 | 72.5% | 3.9% |
| Oakville | 35,333 | $106,362 | $318,600 | 44.1% | 6.4% |
| St. Peters | 59,092 | $91,637 | $269,900 | 39.2% | 5.7% |
| Blue Springs | 59,965 | $88,920 | $263,100 | 35.0% | 7.0% |
| Jefferson City | 42,488 | $66,371 | $218,700 | 38.7% | 12.0% |
Population Overview
Wentzville is a mid-sized community located in Missouri, within St. Charles County. The total population is 47,061. It ranks as the 15th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Wentzville is 36.5 years. This is 6% lower than the state median of 39.0 years. With 29.7% of the population under 18, Wentzville has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Wentzville is $112,394. This is 59% higher than the state median of $70,702. It is also 39% higher than the national median of $80,734. The poverty rate stands at 5.4%. This is 57% lower than the state poverty rate of 12.6%. The unemployment rate is 2.7%. This is 33% lower than the state rate of 4.0%. The median home value is $331,300. Housing costs are 44% higher than the state median of $230,300. With a home-value-to-income ratio of just 2.9x, Wentzville is one of the most affordable housing markets in the area. 82.5% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 68.1%.
Race & Ethnicity
The largest racial or ethnic group in Wentzville is White (non-Hispanic), making up 84.2% of the population. Black or African American residents account for 6.6%.
Education
39.6% of residents aged 25 and older hold a bachelor's degree or higher. This places Wentzville in the top 10% of all cities in the state for educational attainment. This is 22% higher than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.5%.
Data Sources & Methodology
All demographic data for Wentzville, Missouri is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Wentzville, Missouri?
Wentzville, Missouri has a population of 47,061 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Wentzville, MO?
The median household income in Wentzville is $112,394, which is 39% higher than the national median of $80,734.
What is the poverty rate in Wentzville, MO?
The poverty rate in Wentzville is 5.4%. This means approximately 2,492 residents live below the federal poverty line.
What is the racial makeup of Wentzville, Missouri?
Wentzville's population is 84.2% White, 6.6% Black, 3.3% Hispanic/Latino, and 1.6% Asian.
What is the median home value in Wentzville, MO?
The median home value in Wentzville is $331,300. The home-value-to-income ratio is 2.9x.
How educated is Wentzville, Missouri?
39.6% of adults (25+) in Wentzville hold a bachelor's degree or higher, and 13.0% hold a graduate or professional degree.