Maryland Heights, Missouri Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Maryland Heights, 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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A
Health Above average
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B
Income Around average
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A+
Education Top grade
Source: Map AI Methodology
Population
| Metric | Maryland Heights | Missouri Avg | U.S. Average |
|---|---|---|---|
| Population | 34,682 | 6,186,340 | 337,468,954 |
| Population density (per sq mi) | 1481.9 | 88.8 | 86.4 |
| Population growth (%/yr) | 0.03% | 0.28% | 0.59% |
| Median age | 38.5 | 37.5 | 37.3 |
| Households | 15,659 | 2,507,647 | 130,235,071 |
Population in Maryland Heights grew by 6.5% from 2009 to 2024, reaching 34,682 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Maryland Heights is Millennials, aged 29–44, at 24.9% of residents. That is 3.6 points above Missouri as a whole.
- Gen Z 13–28 7,451 21.5% +0.3 pts
- Millennials 29–44 8,639 24.9% +3.6 pts
- Gen X 45–60 6,770 19.5% on par
- Boomers 61–79 5,529 15.9% -2.0 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 51.5% of the people living in Maryland Heights and men 48.5%.
- Women 51.5% Missouri 50.7%
- Men 48.5% Missouri 49.3%
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Economy
Maryland Heights has a the economy index of B, which means it is quite prosperous.
| Metric | Maryland Heights | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median household income | $87,820 | $70,801 | $80,455 |
| Income growth (%/yr) | 4.32% | 4.56% | 4.80% |
| Unemployment rate | 3.1% | 4.0% | 5.2% |
The median household income in Maryland Heights is about 24% higher than in Missouri.
Housing
| Metric | Maryland Heights | Missouri Avg | U.S. Average |
|---|---|---|---|
| Median home price | $230,180 | $145,462 | $248,835 |
| Median rent | $1,277 | $1,033 | $1,407 |
| Homeownership rate | 62.4% | 68.1% | 65.2% |
The median home price in Maryland Heights is about 15.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,277 per month for that long.
Commute Time & Mobility
Commuters in Maryland Heights spend about 41 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 169 hours, about 7.1 full days, spent commuting.
| Metric | Maryland Heights | Missouri Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 20.3 | 21.0 | 22.4 |
| Round-trip commute (min) | 40.6 | 41.9 | 44.8 |
| Yearly time spent (hours) | 169 | 175 | 187 |
| Estimated yearly cost | $5,246 | $5,415 | $5,790 |
| Work from home | 21.9% | 13.0% | 15.0% |
| Highway traffic (vehicles/day) | 18,262 | 7,545 | 8,813 |
| Local road traffic (vehicles/day) | 2,765 | 923 | 1,355 |
The average commute time in Maryland Heights is 20 minutes, shorter 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
Maryland Heights has a education index of A+, which means it is exceptionally educated.
| Metric | Maryland Heights | Missouri Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 48.9% | 28.8% | 31.6% |
| Average household size | 2.18 | 2.40 | 2.53 |
Health
Maryland Heights has a health index of A, which means it is very healthy.
| Metric | Maryland Heights | Missouri Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.6 | 76.9 | 78.3 |
| Self-rated poor health | 11.1% | 19.0% | 16.3% |
| Smokers | 13.0% | 22.8% | 19.0% |
Maryland Heights, MO Compared With Nearby Cities
How Maryland Heights, MO compares with the 1 cities closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Maryland Heights, MO | 34,682 | $87,820 #1/2 | $230,180 #2/2 | 20.3 min #1/2 |
| St. Charles, MO | 68,558 | $84,562 | $340,034 | 21.0 min |
Frequently Asked Questions
Common questions about Maryland Heights, Missouri.
What is the population of Maryland Heights, Missouri?
About 34,682 people live in Maryland Heights, Missouri, in 15,659 households of 2.2 people on average. The median age is 38.5, close to the U.S. median of 37.3.
Is Maryland Heights, Missouri urban or rural?
Averaged over its land area, Maryland Heights, Missouri has 1,482 people per square mile, a density typical of urban and suburban areas. That is about 17 times the U.S. average of 86.
How affordable is housing in Maryland Heights, Missouri?
The median home costs 2.6 times the median household income ($230,180 against $87,820), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,277 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in Maryland Heights, Missouri?
Unemployment in Maryland Heights, Missouri is only 3.1%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
What share of adults in Maryland Heights, Missouri have a college degree?
48.9% of adults in Maryland Heights, Missouri hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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