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CITY · 2020 ACS

Dennis

Massachusetts · 2,399 residents · 4.911 sq mi
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The short version

Dennis is significantly wealthier than the US average, with a median household income of $93,726. Population has declined 14% since 2000. 54% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has more than doubled since 2000, reaching $480,500. With a median age of 64.2, the population is older than the US median of 38.8.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 64.2
US median: 38.8
More educated
54% hold a bachelor's degree
US average: 33%
Less affordable
home values up 42%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
2,399
−14%since 2000
from 2,798 in 2000
1990 – 2024
Population density
488 / sq mi
−14%since 2000
from 570 / sq mi in 2000
US average: 280
Median age
64.2
+24%since 2000
from 51.6 in 2000
US average: 38.8
Population, 1990 – 2024
2K2K2K3K3K1990201020202024Dennis
20242K
1990201020202024
Section 02

Income & economy

Median household income
$93,726
+22%inflation adjusted, since 2000
from $51,286 in 2000
US average: $66,278
1990 – 2024
Per capita income
$61,161
+126%since 2000
from $27,113 in 2000
US average: $35,364
Households earning $100K+
65.2%
+30.6 ptssince 2009
from 34.5% in 2009
US average: 43.9%
Poverty rate
1.5%
−1.8 ptssince 2000
from 3.4% in 2000
US average: 12.8%
Workforce by industry, 2020
Information12.7%
US avg: 11.1%
Other services8.7%
US avg: 6.6%
Public administration7.1%
US avg: 4.7%
Wholesale trade4.3%
US avg: 6.7%
Retail trade3.4%
US avg: 10%
Transportation & warehousing2.3%
US avg: 2.5%
Finance & insurance1.1%
US avg: 5.5%
Professional, scientific, technical1.1%
US avg: 4.7%
Agriculture, forestry, fishing0%
US avg: 1.7%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
Education & health services0%
US avg: 0.8%
Arts, entertainment, food0%
US avg: 2%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$480,500
+42%inflation adjusted, since 2000
from $225,300 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,180
−2%inflation adjusted, since 2000
from $804 in 2000
US average: $1,124
Owner-occupied
84.9%
−1.3 ptssince 2000
from 86.2% in 2000
15.1% rent
Afford Score
5.1
+17%since 2000
from 4.4 in 2000
1990 – 2024
RELATED:See current rent listings in Dennis on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic96.9%(2,711)
Black0.3%(7)
Hispanic / Latino1%(29)
Asian0.5%(13)
Other0%
Diversity Score4.4%(123)
2020
White, non-Hispanic92.7%(2,225)
Black1.5%(37)
Hispanic / Latino1.6%(38)
Asian1%(23)
Other6.2%(148)
Diversity Score23.1%(555)
Diversity Score
23
+428%since 2000
from 4 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
54.2%
+14.0 ptssince 2000
from 40.3% in 2000
US average: 32.9%
High school or higher
91.5%
−4.5 ptssince 2000
from 96.0% in 2000
US average: 88.5%
Graduate degree
31.6%
+12.6 ptssince 2000
from 19.0% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
38.2 min
+197%since 2000
from 12.8 min in 2000
US average: 26.9
Drive alone to work
73.4%
−14.1 ptssince 2009
from 87.5% in 2009
US average: 75.1%
No vehicle available
1.6%
−0.9 ptssince 2009
from 2.5% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
6.9%
+1.2 ptssince 2011
from 5.6% in 2011
US average: 5.4%
Labor force participation
48.1%
+5.5 ptssince 2011
from 42.6% in 2011
US average: 63.4%
Management & professional
45.5%
−22.9 ptssince 2009
from 68.5% in 2009
US average: 39.3%
Section 08

People & community

Male
48.1%
+0.6 ptssince 2009
from 47.4% in 2009
Female
51.9%
−0.6 ptssince 2009
from 52.6% in 2009
Foreign born
5.8%
+0.3 ptssince 2009
from 5.5% in 2009
US average: 13.5%
Uninsured
3.2%
−91.7 ptssince 2013
from 94.9% in 2013
US average: 8.8%
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Compare Dennis to nearby cities

DENNIS VS
South Yarmouth
Income$82,188−12%
Home value$541,700+13%
Population11,552+377%
SEE FULL COMPARISON →
DENNIS VS
Barnstable
Income$91,982−2%
Home value$602,500+25%
Population50,101+1967%
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DENNIS VS
Nantucket
Income$148,017+58%
Home value$1,465,300+205%
Population10,017+313%
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DENNIS VS
New Bedford
Income$56,981−39%
Home value$357,300−26%
Population101,834+4101%
SEE FULL COMPARISON →
Frequently asked

How many people live in Dennis, Massachusetts?

Dennis, Massachusetts has about 2,399 residents according to the 2020 American Community Survey.

What is the median household income in Dennis, Massachusetts?

The typical household in Dennis, Massachusetts earns about $93,726 a year. Half of households make more than that, and half make less.

Is Dennis, Massachusetts expensive?

In Dennis, Massachusetts, the median home is worth about $480,500, and the typical rent is about $1,180 a month.

How educated are people in Dennis, Massachusetts?

About 54.2% of adults age 25 and over in Dennis, Massachusetts hold a bachelor's degree or higher.

What is the poverty rate in Dennis, Massachusetts?

About 1.5% of people in Dennis, Massachusetts live below the federal poverty line.

Has Dennis, Massachusetts grown since 1990?

Yes, Dennis, Massachusetts has shrunk since 1990. The population has lost about 267 residents, a change of about -10 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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