South Dennis, New Jersey Population 2024

1,147

South Dennis is a city located in Cape May County New Jersey. South Dennis has a 2024 population of 1,147. South Dennis is currently declining at a rate of -9.04% annually and its population has decreased by -28.45% since the most recent census, which recorded a population of 1,603 in 2020.

The average household income in South Dennis is $113,861 with a poverty rate of 4.29%. The median age in South Dennis is 36.9 years: 38.6 years for males, and 36.2 years for females.

South Dennis Demographics

According to the most recent ACS, the racial composition of South Dennis was:

  • White: 94.33%
  • Two or more races: 5.45%
  • Black or African American: 0.15%
  • Asian: 0.07%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
Land Area (mi²)
6.2 sq mi
Density (mi²)
184.70/sq mi
Growth Since 2020
-28.45% (-456)
The current population of South Dennis, New Jersey is 1,147 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 1,603.

Population by Race

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Race
Population
Percentage (of total)
White1,29794.33%
Two or more races755.45%
Black or African American20.15%
Asian10.07%
Native American00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Other race

South Dennis Population by Race

South Dennis Population Pyramid 2024

South Dennis Median Age

36.9

Total

38.6

Male

36.2

Female

South Dennis Adults

There are 1,071 adults, (279 of whom are seniors) in South Dennis.

South Dennis Age Dependency

73.6

Age Dependency Ratio

35.2

Old Age Dependency Ratio

38.4

Child Dependency Ratio

South Dennis Sex Ratio

Female77156.07%
Male60443.93%

South Dennis Population by Age

South Dennis Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5502.4990.99.1
Married3962.91000
Non Family951.2385.314.7
Female581.7437.962.1
Male121000

2.75

Average Family Size

2.49

Average Household Size

90.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

South Dennis Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade555.51%
Associates Degree474.7%
Bachelors Degree37837.84%
Graduate Degree919.11%
High School Graduate18118.12%
Less Than 9th Grade80.8%
Some College23923.92%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

South Dennis Educational Attainment by Sex (over 25)

South Dennis Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White946919469
2+ Races50140
Black220
Asian110

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 49.58%.

South Dennis Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$70,104$102,935$0
Graduate Degree$79,375$0$98,558
High School Graduate$59,844$59,844$51,250
Less Than 9th Grade$0$0$0
Overall$63,250$77,292$45,972
Some College$58,021$68,393$45,156

$63,250

Average Earnings

$77,292

Average Male

$45,972

Average Female

South Dennis Earnings by Educational Attainment

South Dennis Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

South Dennis Language

99.51% of South Dennis residents speak only English, while 0.49% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.49% of the population.

South Dennis Language

South Dennis Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White1,261564.44%
Black22100%
Asian11100%

4.29%

Overall Poverty Rate

4.97%

Male Poverty Rate

3.76%

Female Poverty Rate

Poverty in South Dennis

The race most likely to be in poverty in South Dennis is Black, with 100% below the poverty level.

The race least likely to be in poverty in South Dennis is White, with 4.44% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 7.76%, and for those that did not work, the poverty rate was 13.3%.

South Dennis Poverty

rate

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Rate
Poverty
High School14.92%
Some College5.59%
Less Than 9th Grade3.17%
Bachelors or Greater2.99%

South Dennis Poverty Rate by Education

rate

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Rate
Poverty
Female Employed7.07%
Male Employed0%
Male Unemployed0%
Female Unemployed0%

South Dennis Poverty Rate by Employment Status and Sex

South Dennis Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$131,488$128,735
Households$122,083$113,861
Married Families$140,455$-999,999,999
Non Families-$42,623

mean

median

Income by Household Type

South Dennis Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

73.6%

Overall Marriage Rate

78.4%

Male Marriage Rate

69.5%

Female Marriage Rate

South Dennis Married by Age and Sex

male

female

South Dennis Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

South Dennis Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

South Dennis Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

69

Number of Veterans

69

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam19
Second Gulf War12
First Gulf War12
Korea0
World War II0

South Dennis Veterans by War

count

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Age Group
Veterans
65 to 7429
55 to 6422
35 to 5412
75+6
18 to 340

South Dennis Veterans by Age

count

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Name
Veterans
% of Total
White696.95%

South Dennis Veterans by Race

South Dennis Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

17.39%

Veteran Disability Rate

South Dennis Veterans by Education

LaborForceParticipation

70.4%

Labor Force Participation

67.9%

Employment Rate

3.6%

Unemployment Rate

South Dennis Employment by Age

LaborForceParticipation

South Dennis Employment by Race

LaborForceParticipation

South Dennis Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

79.71%

Born in South Dennis

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of South Dennis residents were born in the United States, with 79.71% having been born in New Jersey. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

South Dennis Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20241,147-114-9.04%
20231,261-114-8.29%
20221,375-121-8.09%
20211,496-107-6.67%
20201,60300%

South Dennis Population by Year