CITY · 1990 CENSUS

South Dennis

Massachusetts · 3,559 residents · 4.55 sq mi

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The short version

With 3,559 people, South Dennis is a city in Massachusetts. At a median age of 40.4, this is an older place than the country as a whole. Median home value sits at $139,600. Renters pay $679 a month at the median. 74% of homes are owner-occupied. Households here earn about 16% less than in Massachusetts as a whole.

At a glance

Average income

near the US median

US median: $30,130

Older

median age 40.4

US median: 33.0

More educated

24% hold a bachelor's degree

US average: 20%

Less affordable

home values up 33%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

3,559

−3%vs 2000

vs 3,679 in 2000

1990 – 2024

Median age

40.4

−11%vs 2000

vs 45.5 in 2000

US average: 33.0

Land area

4.55 sq mi

Population, 1990 – 2024

20243K

Age distribution, 1990

Under 56.4%(226)

US avg: 7.3%

5 to 96.8%(242)

US avg: 7.3%

10 to 145.4%(193)

US avg: 6.9%

15 to 194.1%(147)

US avg: 7.1%

20 to 245%(178)

US avg: 7.5%

25 to 3413.8%(490)

US avg: 17.5%

35 to 4415.8%(561)

US avg: 15.1%

45 to 545.1%(181)

US avg: 10.2%

55 to 649.1%(324)

US avg: 8.5%

65 to 7415%(534)

US avg: 7.3%

75 to 8410.5%(374)

US avg: 4%

85 and over3.1%(109)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$30,938

+1%inflation adjusted, since 2000

vs $40,330 in 2000

US average: $30,130

1990 – 2024

Per capita income

$13,832

−40%vs 2000

vs $22,974 in 2000

US average: $14,340

Poverty rate

11.2%

+8.0 ptsvs 2000

vs 3.2% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$139,600

+33%inflation adjusted, since 2000

vs $137,900 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$679

+11%inflation adjusted, since 2000

vs $806 in 2000

US average: $450

Owner-occupied

73.8%

−5.9 ptsvs 2000

vs 79.7% in 2000

26.2% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic94.5%(3,477)

Black1%(37)

Hispanic / Latino1.3%(48)

Asian0.4%(13)

Other0%

1990

White, non-Hispanic98.6%(3,508)

Black0.3%(11)

Hispanic / Latino1.1%(38)

Asian0.8%(29)

Other0.3%(11)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin

Puerto Rican0.4%(11)

Mexican0.1%(2)

Asian origin

Filipino0.3%(10)

Asian Indian0.2%(7)

Ancestry

Irish27.5%(862)

English19.9%(625)

Italian10.1%(318)

American6.2%(194)

French5.7%(178)

West Indian4.9%(153)

Polish4.6%(143)

Jamaican4.4%(138)

French Canadian3.2%(100)

Swedish2.7%(86)

Scottish2.6%(83)

Portuguese2.1%(66)

+ 11 more ancestry groups with data

German1.8%(56)

Finnish1.1%(34)

Dutch0.6%(20)

Armenian0.6%(19)

Arab0.6%(18)

Lithuanian0.5%(16)

Canadian0.5%(15)

Lebanese0.4%(12)

Norwegian0.3%(8)

Syrian0.2%(6)

Scotch-Irish0.2%(5)

RANKED:Largest Irish population · Largest English population · Largest Italian population · Largest American population · Largest French population

Section 05

Education

Bachelor's degree or higher

24.5%

−0.1 ptsvs 2000

vs 24.6% in 2000

US average: 20.3%

High school or higher

88.3%

−5.0 ptsvs 2000

vs 93.3% in 2000

US average: 75.2%

Graduate degree

6.2%

−2.0 ptsvs 2000

vs 8.2% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

16.6 min

+22%vs 2000

vs 13.6 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)

Men 15+

Never married20.2%(287)

Married56.6%(804)

Widowed5.5%(78)

Divorced17.7%(252)

Women 15+

Never married19.8%(277)

Married54.6%(762)

Widowed10.7%(150)

Divorced14.8%(207)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

0.9%

−2.5 ptssince 2013

from 3.4% in 2013

US average: 8.4%

Employer-based

64.3%

+7.2 ptssince 2020

from 57.1% in 2020

US average: 54.8%

Direct-purchase

20.5%

−0.9 ptssince 2020

from 21.4% in 2020

US average: 13.8%

Medicare

36.2%

+3.9 ptssince 2020

from 32.3% in 2020

US average: 18.4%

Medicaid

18.7%

−9.0 ptssince 2020

from 27.7% in 2020

US average: 20.9%

VA health care

2.1%

−0.4 ptssince 2020

from 2.5% in 2020

US average: 2.2%

Any private

78.1%

+9.9 ptssince 2020

from 68.2% in 2020

US average: 67.1%

Any public

48.7%

−6.1 ptssince 2020

from 54.8% in 2020

US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024

Gulf War (2001 or later)0%(0)

US avg: 26.4%

Gulf War (1990s)12.1%(18)

US avg: 24.3%

Vietnam era41.6%(62)

US avg: 33.1%

Korean War6%(9)

US avg: 4.5%

World War II0%(0)

US avg: 1%

Share of the 149 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE

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