South Dennis is a CDP located in Barnstable County Massachusetts. South Dennis has a 2024 population of 3,011. South Dennis is currently declining at a rate of -1.47% annually but its population has increased by 4.01% since the most recent census, which recorded a population of 2,895 in 2020.
The average household income in South Dennis is $100,543 with a poverty rate of 3.52%. The median age in South Dennis is 53.3 years: 49.6 years for males, and 56.3 years for females.
According to the most recent ACS, the racial composition of South Dennis was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,886 | 93.07% |
| Black or African American | 160 | 5.16% |
| Two or more races | 46 | 1.48% |
| Asian | 9 | 0.29% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
White
Black or African American
Two or more races
Asian
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,422 | 2.12 | 83.1 | 16.9 |
| Married | 638 | 2.79 | 91.5 | 8.5 |
| Non Family | 615 | 1.24 | 76.4 | 23.6 |
| Female | 94 | 2.93 | 86.2 | 13.8 |
| Male | 75 | 2.56 | 62.7 | 37.3 |
2.75
Average Family Size
2.12
Average Household Size
83.1%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 117 | 4.61% |
| Associates Degree | 341 | 13.43% |
| Bachelors Degree | 610 | 24.02% |
| Graduate Degree | 285 | 11.22% |
| High School Graduate | 707 | 27.83% |
| Less Than 9th Grade | 16 | 0.63% |
| Some College | 464 | 18.27% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 2,378 | 2,272 | 886 |
| Black | 102 | 86 | 0 |
| 2+ Races | 46 | 40 | 0 |
| Hispanic | 14 | 3 | 0 |
| Asian | 9 | 9 | 9 |
The highest rate of high school graduation is among asian people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 100%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $58,707 | $53,235 | $59,741 |
| Graduate Degree | $38,250 | $93,125 | $38,000 |
| High School Graduate | $61,905 | $61,875 | $65,034 |
| Less Than 9th Grade | $68,878 | $0 | $0 |
| Overall | $53,787 | $55,556 | $47,431 |
| Some College | $46,000 | $47,344 | $45,664 |
$53,787
Average Earnings
$55,556
Average Male
$47,431
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
97.24% of South Dennis residents speak only English, while 2.76% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.6% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 2,806 | 106 | 3.78% |
3.52%
Overall Poverty Rate
2.92%
Male Poverty Rate
4.18%
Female Poverty Rate
The race most likely to be in poverty in South Dennis is White, with 3.78% below the poverty level.
The race least likely to be in poverty in South Dennis is White, with 3.78% 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 0%, and for those that did not work, the poverty rate was 12.38%.
rate
Rate | Poverty |
|---|---|
| High School | 6.42% |
| Bachelors or Greater | 4.29% |
| Some College | 3.13% |
| Less Than 9th Grade | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $110,903 | $122,230 |
| Households | $81,607 | $100,543 |
| Married Families | $114,010 | $-999,999,999 |
| Non Families | $62,120 | $70,441 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
51.1%
Overall Marriage Rate
50.7%
Male Marriage Rate
51.5%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
204
Number of Veterans
179
Male Veterans
25
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 87 |
| World War II | 17 |
| Korea | 14 |
| Second Gulf War | 10 |
| First Gulf War | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 80 |
| 75+ | 76 |
| 55 to 64 | 34 |
| 35 to 54 | 14 |
| 18 to 34 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 204 | 8.06% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
8.33%
Veteran Poverty Rate
52.45%
Veteran Disability Rate
LaborForceParticipation
61%
Labor Force Participation
59.1%
Employment Rate
3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
69.62%
Born in South Dennis
92.52%
Native Born
7.48%
Foreign Born
2.13%
Non Citizen
5.35%
Naturalized
92.52% of South Dennis residents were born in the United States, with 69.62% having been born in Massachusetts. 2.13% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 3,011 | -45 | -1.47% |
| 2023 | 3,056 | -45 | -1.45% |
| 2022 | 3,101 | -158 | -4.85% |
| 2021 | 3,259 | 364 | 12.57% |
| 2020 | 2,895 | -498 | -14.68% |
| 2019 | 3,393 | -291 | -7.9% |
| 2018 | 3,684 | 49 | 1.35% |
| 2017 | 3,635 | 53 | 1.48% |
| 2016 | 3,582 | 154 | 4.49% |
| 2015 | 3,428 | -171 | -4.75% |
| 2014 | 3,599 | 241 | 7.18% |
| 2013 | 3,358 | -12 | -0.36% |
| 2012 | 3,370 | -116 | -3.33% |
| 2011 | 3,486 | -157 | -4.31% |
| 2010 | 3,643 | 0 | 0% |