South Dennis is a city located in Barnstable County Massachusetts. South Dennis has a 2024 population of 3,307. South Dennis is currently growing at a rate of 3.21% annually and its population has increased by 14.23% 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:
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
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
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
$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
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%.
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
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 | Growth Rate |
|---|---|---|---|
| 2024 | 3,307 | 103 | 3.21% |
| 2023 | 3,204 | 103 | 3.32% |
| 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% |