Dennis

Population: 1,903
Median household income: $127,292
Median home value: $835,300

Dennis, a community in Barnstable County, Massachusetts, has 1,903 residents. Its median household income of $127,292 runs above the Barnstable County figure of $94,452.

From 2019 to 2023, Dennis's population declined 17.5% from 2,307 to 1,903, while its median home value rose 65.1% from $505,900 to $835,300.

White (non-Hispanic) residents are the largest group, 99.0% of the population. 64.0% of workers drive to work alone.

Demographics

ACS 2019–2023

Population: 1,903
Median age: 63.2 yrs
Median household income: $127,292
Median home value: $835,300
Median gross rent: $1,542
Housing units: 2,417
Homeownership rate: 87.2%
Bachelor's degree or higher: 50.3%
Unemployment rate: 3.1%

Trends

ACS 5-year · 2019–2023

Population

2,3071,903

Median household income

$90,795$127,292

Median home value

$505,900$835,300

Median gross rent

$1,239$1,542

Year	Population	Median household income	Median home value	Median gross rent
2019	2,307	$90,795	$505,900	$1,239
2020	1,962	$93,726	$480,500	$1,180
2021	1,990	$105,508	$569,300	$1,226
2022	1,898	$113,526	$718,000	$1,449
2023	1,903	$127,292	$835,300	$1,542

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 50.9%

5 to 178.8%

18 to 245.9%

25 to 344.7%

35 to 444.5%

45 to 5412.6%

55 to 6420.3%

65 to 7423.2%

75 and over19.1%

	Count	Share
Under 5	17	0.9%
5 to 17	168	8.8%
18 to 24	113	5.9%
25 to 34	89	4.7%
35 to 44	85	4.5%
45 to 54	240	12.6%
55 to 64	386	20.3%
65 to 74	442	23.2%
75 and over	363	19.1%

Race & ethnicity

	Count	Share
White (non-Hispanic)	1,884	99.0%
Black or African American	0	0.0%
American Indian & Alaska Native	0	0.0%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	19	1.0%
Hispanic or Latino (any race)	0	0.0%

Educational attainment (age 25+)

No high school diploma0.0%

High school graduate24.2%

Some college or associate's25.4%

Bachelor's degree23.8%

Graduate or professional degree26.5%

	Count	Share
No high school diploma	0	0.0%
High school graduate	389	24.2%
Some college or associate's	408	25.4%
Bachelor's degree	382	23.8%
Graduate or professional degree	426	26.5%

Commute to work

Mean travel time to work: 18 min

Drove alone64.0%

Carpooled3.4%

Public transit0.0%

Walked1.3%

Bicycle0.0%

Worked from home29.6%

Other means1.7%

How workers get to work

	Count	Share
Drove alone	491	64.0%
Carpooled	26	3.4%
Public transit	0	0.0%
Walked	10	1.3%
Bicycle	0	0.0%
Worked from home	227	29.6%
Other means	13	1.7%

Travel time

	Count	Share
Under 15 min	165	30.6%
15 to 29 min	276	51.1%
30 to 44 min	89	16.5%
45 to 59 min	10	1.9%
60+ min	0	0.0%

Households

Average household size: 2.01
Poverty rate: 3.3% (63 of 1,903)

	Count	Share
Family households	642	67.9%
Nonfamily households	303	32.1%

Housing

Median year structure built: 1973

Occupancy

	Count	Share
Occupied	945	39.1%
Vacant	1,472	60.9%

Tenure (of occupied units)

	Count	Share
Owner-occupied	824	87.2%
Renter-occupied	121	12.8%

1-unit, detached86.8%

1-unit, attached4.5%

2 to 4 units7.3%

5 to 19 units0.3%

20 or more units1.1%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	2,098	86.8%
1-unit, attached	108	4.5%
2 to 4 units	177	7.3%
5 to 19 units	7	0.3%
20 or more units	27	1.1%
Mobile home & other	0	0.0%

Geography

Place GEOID: 2516740
Type (LSAD): 57
Land area: 4.91 sq mi
Water area: 0.21 sq mi
Center point: 41.7302, -70.1974