South Dennis

Population: 3,190
Median household income: $86,500
Median home value: $454,400

South Dennis, a community in Barnstable County, Massachusetts, has 3,190 residents. The median household income of $86,500 is below the Barnstable County median ($94,452).

Between 2019 and 2023, South Dennis's population declined 6.0% from 3,393 to 3,190, while its median home value rose 44.5% from $314,400 to $454,400.

4.5% of residents live below the poverty line. Households average 2.01 people.

Demographics

ACS 2019–2023

Population: 3,190
Median age: 55.2 yrs
Median household income: $86,500
Median home value: $454,400
Median gross rent: $1,542
Housing units: 2,619
Homeownership rate: 80.8%
Bachelor's degree or higher: 37.1%
Unemployment rate: 3.4%

Trends

ACS 5-year · 2019–2023

Population

3,3933,190

Median household income

$59,963$86,500

Median home value

$314,400$454,400

Median gross rent

$1,374$1,542

Year	Population	Median household income	Median home value	Median gross rent
2019	3,393	$59,963	$314,400	$1,374
2020	2,895	$61,971	$323,300	$1,377
2021	3,259	$73,485	$349,100	$1,491
2022	3,101	$81,607	$413,600	$1,696
2023	3,190	$86,500	$454,400	$1,542

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

Age distribution

Under 53.0%

5 to 178.3%

18 to 247.6%

25 to 347.4%

35 to 4414.0%

45 to 549.2%

55 to 6418.7%

65 to 7416.5%

75 and over15.4%

	Count	Share
Under 5	96	3.0%
5 to 17	265	8.3%
18 to 24	242	7.6%
25 to 34	236	7.4%
35 to 44	446	14.0%
45 to 54	292	9.2%
55 to 64	596	18.7%
65 to 74	527	16.5%
75 and over	490	15.4%

Race & ethnicity

	Count	Share
White (non-Hispanic)	2,909	91.2%
Black or African American	127	4.0%
American Indian & Alaska Native	0	0.0%
Asian	17	0.5%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	103	3.2%
Two or more races	12	0.4%
Hispanic or Latino (any race)	22	0.7%

Educational attainment (age 25+)

No high school diploma2.9%

High school graduate32.0%

Some college or associate's27.9%

Bachelor's degree24.1%

Graduate or professional degree13.0%

	Count	Share
No high school diploma	76	2.9%
High school graduate	827	32.0%
Some college or associate's	723	27.9%
Bachelor's degree	624	24.1%
Graduate or professional degree	337	13.0%

Commute to work

Mean travel time to work: 23 min

Drove alone81.0%

Carpooled12.9%

Public transit0.0%

Walked0.0%

Bicycle0.0%

Worked from home6.1%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	1,346	81.0%
Carpooled	215	12.9%
Public transit	0	0.0%
Walked	0	0.0%
Bicycle	0	0.0%
Worked from home	101	6.1%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	524	33.6%
15 to 29 min	570	36.5%
30 to 44 min	265	17.0%
45 to 59 min	113	7.2%
60+ min	89	5.7%

Households

Average household size: 2.01
Poverty rate: 4.5% (141 of 3,122)

	Count	Share
Family households	913	58.7%
Nonfamily households	643	41.3%

Housing

Median year structure built: 1975

Occupancy

	Count	Share
Occupied	1,556	59.4%
Vacant	1,063	40.6%

Tenure (of occupied units)

	Count	Share
Owner-occupied	1,258	80.8%
Renter-occupied	298	19.2%

1-unit, detached86.3%

1-unit, attached3.4%

2 to 4 units2.2%

5 to 19 units3.0%

20 or more units0.5%

Mobile home & other4.7%

Units in structure

	Count	Share
1-unit, detached	2,261	86.3%
1-unit, attached	88	3.4%
2 to 4 units	58	2.2%
5 to 19 units	78	3.0%
20 or more units	12	0.5%
Mobile home & other	122	4.7%

Geography

Place GEOID: 2563655
Type (LSAD): 57
Land area: 4.55 sq mi
Water area: 0.2 sq mi
Center point: 41.7041, -70.1507