Wentzville, Missouri Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Wentzville, MO Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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A
Income Above average
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B
Education Around average
Source: Map AI Methodology
Population
| Metric | Wentzville | Missouri Avg | U.S. Average |
|---|---|---|---|
| Population | 31,131 | 6,186,340 | 337,468,954 |
| Population density (per sq mi) | 1431.7 | 88.8 | 86.4 |
| Population growth (%/yr) | 4.38% | 0.28% | 0.59% |
| Median age | 38.8 | 37.5 | 37.3 |
| Households | 11,131 | 2,507,647 | 130,235,071 |
Population in Wentzville grew by 122.5% from 2009 to 2024, reaching 31,131 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Wentzville is Millennials, aged 29–44, at 24.6% of residents. That is 3.3 points above Missouri as a whole.
- Gen Z 13–28 6,083 19.5% -1.7 pts
- Millennials 29–44 7,654 24.6% +3.3 pts
- Gen X 45–60 5,779 18.6% -1.1 pts
- Boomers 61–79 4,180 13.4% -4.5 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Missouri, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.2% of the people living in Wentzville and men 49.8%.
- Women 50.2% Missouri 50.7%
- Men 49.8% Missouri 49.3%
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Economy
Wentzville has a the economy index of A, which means it is very prosperous.
| Metric | Wentzville | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median household income | $107,175 | $70,801 | $80,455 |
| Income growth (%/yr) | 3.99% | 4.56% | 4.80% |
| Unemployment rate | 2.6% | 4.0% | 5.2% |
The median household income in Wentzville is about 51% higher than in Missouri.
Housing
| Metric | Wentzville | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median home price | $32,224 | $145,462 | $248,835 |
| Median rent | $1,328 | $1,033 | $1,407 |
| Homeownership rate | 82.1% | 68.1% | 65.2% |
The median home price in Wentzville is about 2.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,328 per month for that long.
Commute Time & Mobility
Commuters in Wentzville spend about 51 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 211 hours, about 8.8 full days, spent commuting.
| Metric | Wentzville | Missouri Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 25.4 | 21.0 | 22.4 |
| Round-trip commute (min) | 50.8 | 41.9 | 44.8 |
| Yearly time spent (hours) | 211 | 175 | 187 |
| Estimated yearly cost | $6,555 | $5,415 | $5,790 |
| Work from home | 17.2% | 13.0% | 15.0% |
| Highway traffic (vehicles/day) | 18,385 | 7,545 | 8,813 |
| Local road traffic (vehicles/day) | 2,294 | 923 | 1,355 |
The average commute time in Wentzville is 25 minutes, longer than the 21 minutes in Missouri.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Wentzville has a education index of B, which means it is quite educated.
| Metric | Wentzville | Missouri Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 37.5% | 28.8% | 31.6% |
| Average household size | 2.78 | 2.40 | 2.53 |
Health
Wentzville has a health index of B, which means it is quite healthy.
| Metric | Wentzville | Missouri Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.6 | 76.9 | 78.3 |
| Self-rated poor health | 12.0% | 19.0% | 16.3% |
| Smokers | 17.5% | 22.8% | 19.0% |
Frequently Asked Questions
Common questions about Wentzville, Missouri.
How big is Wentzville, Missouri by population?
About 31,131 people live in Wentzville, Missouri, in 11,131 households of 2.8 people on average. The median age is 38.8, so residents are older than the U.S. median of 37.3 by about 2 years.
Is Wentzville, Missouri mostly urban or rural?
Averaged over its land area, Wentzville, Missouri has 1,432 people per square mile, a density typical of urban and suburban areas. That is about 17 times the U.S. average of 86.
Is Wentzville, Missouri an affordable place to live?
The median home costs 0.3 times the median household income ($32,224 against $107,175), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,328 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in Wentzville, Missouri?
Unemployment in Wentzville, Missouri is only 2.6%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
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