Marlborough, Massachusetts Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Marlborough, MA 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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B
Education Around average
Source: Map AI Methodology
Population
| Metric | Marlborough | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| Population | 41,541 | 7,031,620 | 337,468,954 |
| Population density (per sq mi) | 1879.5 | 666.0 | 86.4 |
| Population growth (%/yr) | 0.66% | 0.53% | 0.59% |
| Median age | 38.9 | 39.0 | 37.3 |
| Households | 16,623 | 2,777,931 | 130,235,071 |
Population in Marlborough grew by 9.3% from 2009 to 2024, reaching 41,541 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Marlborough is Millennials, aged 29–44, at 25.2% of residents. That is 3.3 points above Massachusetts as a whole.
- Gen Z 13–28 7,669 18.5% -3.1 pts
- Millennials 29–44 10,472 25.2% +3.3 pts
- Gen X 45–60 9,032 21.7% +0.6 pts
- Boomers 61–79 6,443 15.5% -1.8 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 Massachusetts, 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 Marlborough and men 48.5%.
- Women 51.5% Massachusetts 51.2%
- Men 48.5% Massachusetts 48.8%
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Economy
Marlborough has a the economy index of B, which means it is quite prosperous.
| Metric | Marlborough | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| Median household income | $93,792 | $104,336 | $80,455 |
| Income growth (%/yr) | 3.38% | 4.91% | 4.80% |
| Unemployment rate | 5.5% | 5.1% | 5.2% |
The median household income in Marlborough is about 10% lower than in Massachusetts.
Housing
| Metric | Marlborough | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| Median home price | $450,000 | $494,523 | $248,835 |
| Median rent | $1,870 | $1,761 | $1,407 |
| Homeownership rate | 56.0% | 62.5% | 65.2% |
The median home price in Marlborough is about 20.1 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,870 per month for that long.
Commute Time & Mobility
Commuters in Marlborough spend about 50 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 210 hours, about 8.7 full days, spent commuting.
| Metric | Marlborough | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 25.1 | 25.6 | 22.4 |
| Round-trip commute (min) | 50.3 | 51.1 | 44.8 |
| Yearly time spent (hours) | 210 | 213 | 187 |
| Estimated yearly cost | $6,496 | $6,603 | $5,790 |
| Work from home | 16.2% | 18.6% | 15.0% |
| Highway traffic (vehicles/day) | 19,907 | 14,741 | 8,813 |
| Local road traffic (vehicles/day) | 2,229 | 2,164 | 1,355 |
The average commute time in Marlborough is 25 minutes, shorter than the 26 minutes in Massachusetts.
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
Marlborough has a education index of B, which means it is quite educated.
| Metric | Marlborough | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 38.4% | 42.7% | 31.6% |
| Average household size | 2.46 | 2.44 | 2.53 |
Health
Marlborough has a health index of A, which means it is very healthy.
| Metric | Marlborough | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.1 | 80.5 | 78.3 |
| Self-rated poor health | 10.0% | 11.8% | 16.3% |
| Smokers | 12.5% | 13.9% | 19.0% |
Marlborough, MA Compared With Nearby Cities
How Marlborough, MA compares with the 1 cities closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Marlborough, MA | 41,541 | $93,792 #2/2 | $450,000 #1/2 | 25.1 min #1/2 |
| Framingham, MA | 72,408 | $107,525 | $55,000 | 30.1 min |
Frequently Asked Questions
Common questions about Marlborough, Massachusetts.
How many people live in Marlborough, Massachusetts?
About 41,541 people live in Marlborough, Massachusetts, in 16,623 households of 2.5 people on average. The median age is 38.9, so residents are older than the U.S. median of 37.3 by about 2 years.
Is Marlborough, Massachusetts urban or rural?
Averaged over its land area, Marlborough, Massachusetts has 1,880 people per square mile, a density typical of urban and suburban areas. That is about 22 times the U.S. average of 86.
Is Marlborough, Massachusetts an affordable place to live?
The median home costs 4.8 times the median household income ($450,000 against $93,792), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,870 a month takes about 24% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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