South Dennis CDP, Barnstable County, Massachusetts Population and Demographics

In this article, we'll explore the population statistics for South Dennis CDP, Massachusetts, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in South Dennis CDP, Massachusetts. The most basic data is the total population, which is the total number of people living in South Dennis CDP, Massachusetts. The estimated population of South Dennis CDP, Massachusetts is 3,259 people, with a median age of 50.5.

We can look at the total population in South Dennis CDP over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
3,259
+12.57%
-10.34%
2020
2,895
-14.68% -
2019
3,393
-7.9% -
2018
3,684
+1.35%
-
2017
3,635
- -

Population of South Dennis CDP, Massachusetts by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
95.3%
88.3%
+7.93%
Black/African American
1.3%
6%
-78.33%
Native
0%
0%
0.00%
Hispanic
0.3%
1%
-70.00%
Asian
1.8%
2.4%
-25.00%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
1.3%
1.8%
-27.78%
Other
0%
0.7%
-100.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of South Dennis CDP, Massachusetts by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 50.5 -8.01% 49.4 -5.9% 53.6 -4.96%
2020 54.9 +0.73% 52.5 +0.96% 56.4 +0.71%
2019 54.5 +3.61% 52 +2.56% 56 +2.19%
2018 52.6 -1.68% 50.7 +6.07% 54.8 -1.62%
2017 53.5 - 47.8 - 55.7 -

The median age of South Dennis CDP, Massachusetts gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 217 -24.19% 156 -12.6% 159 123
10 to 19 107 +143.33% 139 -8.71% 181 103
20 to 29 88 +18.42% 201 +6.63% 100 209
30 to 39 266 -43.03% 176 -44.81% 149 106
40 to 49 141 +74.94% 159 +53.49% 249 226
50 to 59 176 +42.85% 283 -19.7% 227 226
60 to 69 271 +14.46% 395 -46.01% 312 231
70+ 330 -23.82% 530 -24.72% 248 410

Median Household Income

The latest median household income of South Dennis CDP, Massachusetts is $73,485.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for South Dennis CDP.

  • Under 25
    $0.00
  • 25 to 44
    $110,833.00
  • 45 to 64
    $84,821.00
  • 65 and over
    $53,984.00

Average Household Income

Whenever we ask what is the average household income in South Dennis CDP, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in South Dennis CDP, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of South Dennis CDP, Massachusetts is currently $85,609.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

3.76% of households in South Dennis CDP are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of South Dennis CDP against other areas.

  • Less than $24,999
    13.69%
  • $25,000 to $49,999
    15.46%
  • $50,000 to $74,999
    22.27%
  • $75,000 to $99,999
    11.13%
  • $100,000 to $149,999
    24.47%
  • $150,000 to $199,999
    9.22%
  • $200,000 or more
    3.76%

Per Capita Income

The per capita income in South Dennis CDP is $38,302.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of South Dennis CDP by the total population of South Dennis CDP.

This is different from the average or mean income because it includes and accounts for all people in South Dennis CDP, Massachusetts, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in South Dennis CDP to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    12.90%
  • Bachelor's degree
    36.78%
  • Some college or associate's degree
    13.13%
  • High school diploma or equivalent
    37.19%
  • Less than high school diploma
    0.00%

Employment

Employment rates are all based around the total population in South Dennis CDP that are over the age of 16.

The total population of South Dennis CDP over the age of 16 is 2,758.

Of those people, a total of 63.10% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in South Dennis CDP is 61.80%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 65 47.70% 0.00%
20 to 24 years 94 100.00% 0.00%
25 to 29 years 215 100.00% 0.00%
30 to 34 years 88 83.00% 0.00%
35 to 44 years 394 92.60% 4.70%
45 to 54 years 411 87.60% 3.30%
55 to 59 years 290 73.10% 0.00%
60 to 64 years 227 85.50% 0.00%
65 to 74 years 552 32.10% 4.00%
75 years and over 422 4.70% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in South Dennis CDP. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 2,646 61.80% 2.20%
Black or African American 34 91.20% 0.00%
American Indian and Alaska Native 0 0.00% 0.00%
Asian 37 100.00% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 0 0.00% 0.00%
Two or more races 41 90.20% 0.00%
Hispanic or Latino 9 22.20% 0.00%
Not Hispanic or Latino 2,643 61.90% 2.20%

Occupations

In this section we can look at the most common occupations in South Dennis CDP as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in South Dennis CDP is 1,705, with median earnings of $43,407.00.

Women in South Dennis CDP, Massachusetts earning approximately 95.50% of the men's earnings.

Population Earnings
Total 1,705 $43,407.00
Male 839 $43,964.00
Female 866 $42,000.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 173 $87,337.00
Business and Financial 85 $53,616.00
Computer and Mathematical 49 $0.00
Architecture and Engineering 0 $0.00
Life, Physical, and Social Science 17 $0.00
Community and Social Service 27 $0.00
Legal 0 $0.00
Educational and Library 167 $21,506.00
Arts, Design, Entertainment, Sports, and Media 83 $30,491.00
Healthcare Practitioners 126 $65,944.00
Healthcare Support 68 $85,333.00
Firefighters and Protective Service 25 $0.00
Law Enforcement 6 $0.00
Food Preparation and Serving 127 $14,896.00
Building and Grounds Cleaning 50 $23,977.00
Personal Care and Service 64 $26,000.00
Sales 139 $31,382.00
Office and Administrative Support 175 $39,625.00
Farming, Fishing, and Forestry 0 $0.00
Construction and Extraction 89 $38,818.00
Installation, Maintenance, and Repair 36 $0.00
Production 68 $51,250.00
Transportation and Material Moving 97 $26,406.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 94 $95,500.00 79 $82,240.00
Business and Financial 24 $0.00 61 $53,884.00
Computer and Mathematical 49 $0.00 0 $0.00
Architecture and Engineering 0 $0.00 0 $0.00
Life, Physical, and Social Science 11 $0.00 6 $0.00
Community and Social Service 0 $0.00 27 $0.00
Legal 0 $0.00 0 $0.00
Educational and Library 29 $36,397.00 138 $20,682.00
Arts, Design, Entertainment, Sports, and Media 27 $17,841.00 56 $31,563.00
Healthcare Practitioners 9 $0.00 117 $65,694.00
Healthcare Support 28 $0.00 40 $73,611.00
Firefighters and Protective Service 25 $0.00 0 $0.00
Law Enforcement 6 $0.00 0 $0.00
Food Preparation and Serving 107 $12,813.00 20 $43,571.00
Building and Grounds Cleaning 20 $0.00 30 $0.00
Personal Care and Service 11 $0.00 53 $25,607.00
Sales 67 $38,295.00 72 $17,857.00
Office and Administrative Support 16 $0.00 159 $40,625.00
Farming, Fishing, and Forestry 0 $0.00 0 $0.00
Construction and Extraction 89 $38,818.00 0 $0.00
Installation, Maintenance, and Repair 36 $0.00 0 $0.00
Production 68 $51,250.00 0 $0.00
Transportation and Material Moving 97 $26,406.00 0 $0.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 1,410 households in South Dennis CDP, with an average household size of 2.25 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 839 families in South Dennis CDP with an average family size of 2.84 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 632 102 105 571
Average Household Size 2.87 3.55 2.8 1.23
Total Families 632 102 105 0
Average Household Size 2.87 2.68 2.8 0

Poverty

Of the 839 families in South Dennis CDP, 4.30% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in South Dennis CDP:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 2,516 housing units in South Dennis CDP, Massachusetts.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 1,410 56.04%
Vacant 1,106 43.96%

10.97% of the total 2,516 housing units in South Dennis CDP are rental units. This is approximately 276 properties.

For owner-occupied housing units, a total of 1,134 are occupied by the owner - or 45.07% of the total.

Rental Rates

The median rent for a property in South Dennis CDP is $1,491.00.

In the chart below, we can look at the number of rental properties in South Dennis CDP that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    0
  • Less than $500
    0
  • $500 to $999
    29
  • $1,000 to $1,499
    112
  • $1,500 to $1,999
    91
  • $2,000 to $2,499
    44
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in South Dennis CDP is $349,100.00.

Just like with rental rates, we can look at the number of properties in South Dennis CDP that fall into a particular value range.

  • Less than $50,000
    17
  • $50,000 to $99,999
    0
  • $100,000 to $149,999
    23
  • $150,000 to $199,999
    21
  • $200,000 to $299,999
    268
  • $300,000 to $499,999
    731
  • $500,000 to $999,999
    74
  • $1,000,000 or more
    0

Property Age

We can also look at the age of properties in South Dennis CDP. The chart below shows the number of properties in South Dennis CDP that fall into a particular age range.

  • 1939 or earlier
    84
  • 1940 to 1949
    45
  • 1950 to 1959
    238
  • 1960 to 1969
    790
  • 1970 to 1979
    757
  • 1980 to 1989
    306
  • 1990 to 1999
    48
  • 2000 to 2009
    178
  • 2010 to 2013
    70
  • 2014 or later
    0

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in South Dennis CDP that have a particular number of vehicles available.

  • No vehicles available
    28
  • 1 vehicle available
    450
  • 2 vehicles available
    642
  • 3 or more vehicles available
    290

Commuting to Work

In this section, we can also look at how people in South Dennis CDP get to work. The chart below shows the number of people in South Dennis CDP that commute to work in a particular way.

21.1 minutes is the average travel time to work for people in South Dennis CDP.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    64
  • 5 to 9 minutes
    187
  • 10 to 14 minutes
    301
  • 15 to 19 minutes
    255
  • 20 to 24 minutes
    323
  • 25 to 29 minutes
    48
  • 30 to 34 minutes
    189
  • 35 to 39 minutes
    0
  • 40 to 44 minutes
    27
  • 45 to 59 minutes
    109
  • 60 to 89 minutes
    35
  • 90 or more minutes
    25

Summary

We've covered a LOT of demographic and population data for South Dennis CDP, Massachusetts in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.