Dedham, Massachusetts Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Dedham, 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 Top grade
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A
Income Above average
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A+
Education Top grade
Source: Map AI Methodology
Population
| Metric | Dedham | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| Population | 25,193 | 7,031,620 | 337,468,954 |
| Population density (per sq mi) | 2358.0 | 666.0 | 86.4 |
| Population growth (%/yr) | -0.07% | 0.53% | 0.59% |
| Median age | 43.4 | 39.0 | 37.3 |
| Households | 10,526 | 2,777,931 | 130,235,071 |
Population in Dedham grew by 3.0% from 2009 to 2024, reaching 25,193 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Dedham is Gen X, aged 45–60, at 22.3% of residents. That is 1.2 points above Massachusetts as a whole.
- Gen Z 13–28 4,473 17.8% -3.8 pts
- Millennials 29–44 5,238 20.8% -1.1 pts
- Gen X 45–60 5,622 22.3% +1.2 pts
- Boomers 61–79 4,629 18.4% +1.1 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 51.7% of the people living in Dedham and men 48.3%.
- Women 51.7% Massachusetts 51.2%
- Men 48.3% Massachusetts 48.8%
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Economy
Dedham has a the economy index of A, which means it is very prosperous.
| Metric | Dedham | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| Median household income | $131,420 | $104,336 | $80,455 |
| Income growth (%/yr) | 5.25% | 4.91% | 4.80% |
| Unemployment rate | 3.1% | 5.1% | 5.2% |
The median household income in Dedham is about 26% higher than in Massachusetts.
Housing
| Metric | Dedham | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| Median home price | $545,348 | $494,523 | $248,835 |
| Median rent | $2,042 | $1,761 | $1,407 |
| Homeownership rate | 73.4% | 62.5% | 65.2% |
The median home price in Dedham is about 22.3 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,042 per month for that long.
Commute Time & Mobility
Commuters in Dedham spend about 57 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 239 hours, about 10.0 full days, spent commuting.
| Metric | Dedham | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 28.7 | 25.6 | 22.4 |
| Round-trip commute (min) | 57.3 | 51.1 | 44.8 |
| Yearly time spent (hours) | 239 | 213 | 187 |
| Estimated yearly cost | $7,403 | $6,603 | $5,790 |
| Work from home | 20.0% | 18.6% | 15.0% |
| Highway traffic (vehicles/day) | 24,830 | 14,741 | 8,813 |
| Local road traffic (vehicles/day) | 3,175 | 2,164 | 1,355 |
The average commute time in Dedham is 29 minutes, longer 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
Dedham has a education index of A+, which means it is exceptionally educated.
| Metric | Dedham | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 53.3% | 42.7% | 31.6% |
| Average household size | 2.33 | 2.44 | 2.53 |
Health
Dedham has a health index of A+, which means it is exceptionally healthy.
| Metric | Dedham | Massachusetts Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.2 | 80.5 | 78.3 |
| Self-rated poor health | 9.2% | 11.8% | 16.3% |
| Smokers | 10.7% | 13.9% | 19.0% |
Dedham, MA Compared With Nearby Cities
Dedham, MA is the smallest of the 6 cities compared here, 25,193 residents against a local median of 32,445. Where Dedham, MA breaks from the cities next to it is median household income, sitting 28% below the local median of $183,505 at $131,420. That is the weaker end of the local range on this measure.
The cities themselves spread $96,257 on median household income, so Dedham, MA sits at one end of an already wide local range rather than apart from it. Dedham, MA has the 5th highest median household income of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Dedham, MA | 25,193 | $131,420 #5/6 | $545,348 #4/6 | 28.7 min #4/6 |
| Norwood, MA | 31,539 | $106,206 | $625,000 | 30.2 min |
| Needham, MA | 32,445 | $202,463 | $58,562 | 27.6 min |
| Brookline, MA | 63,198 | $143,651 | $1,239,921 | 27.0 min |
| Newton, MA | 88,909 | $190,683 | $1,092,024 | 25.1 min |
| Milton, MA | 28,602 | $183,505 | $75,000 | 30.4 min |
Frequently Asked Questions
Common questions about Dedham, Massachusetts.
What is the population of Dedham, Massachusetts?
About 25,193 people live in Dedham, Massachusetts, in 10,526 households of 2.3 people on average. The median age is 43.4, so residents are older than the U.S. median of 37.3 by about 6 years.
Is Dedham, Massachusetts mostly urban or rural?
Averaged over its land area, Dedham, Massachusetts has 2,358 people per square mile, a density typical of urban and suburban areas. That is about 27 times the U.S. average of 86.
Is Dedham, Massachusetts an affordable place to live?
The median home costs 4.1 times the median household income ($545,348 against $131,420), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $2,042 a month takes about 19% 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 Dedham, Massachusetts?
Unemployment in Dedham, Massachusetts 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.
How common is a college degree in Dedham, Massachusetts?
53.3% of adults in Dedham, Massachusetts hold a bachelor's degree or higher (about 5 in 10), well above the U.S. share of 31.6%.
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