Port Jefferson, Suffolk County, New York Population and Demographics

In this article, we'll explore the population statistics for Port Jefferson, New York, 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 Port Jefferson, New York. The most basic data is the total population, which is the total number of people living in Port Jefferson, New York. The estimated population of Port Jefferson, New York is 7,951 people, with a median age of 45.6.

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

Year Population Change 5-Year Change
2021
7,951
-0.81% +1.51%
2020
8,016
+0.97%
-
2019
7,939
+0.86%
-
2018
7,871
+0.49%
-
2017
7,833
- -

Population of Port Jefferson, New York 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
81.7%
78.4%
+4.21%
Black/African American
0.7%
1.9%
-63.16%
Native
0%
0%
0.00%
Hispanic
9.1%
10%
-9.00%
Asian
6.9%
7.6%
-9.21%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
1.4%
2.1%
-33.33%
Other
0.1%
0%
0.00%

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 Port Jefferson, New York 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 45.6 +0.44% 43 +1.9% 47.1 +0.21%
2020 45.4 +0.67% 42.2 -2.31% 47 +2.62%
2019 45.1 -1.31% 43.2 -1.37% 45.8 -4.38%
2018 45.7 +1.56% 43.8 -0.45% 47.9 +5.04%
2017 45 - 44 - 45.6 -

The median age of Port Jefferson, New York 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 9 485 -64.84% 352 +33.9% 234 481
10 to 19 447 +48.34% 467 -23.11% 698 336
20 to 29 395 +11.58% 377 +27.56% 438 485
30 to 39 471 -3.83% 558 -23.41% 425 436
40 to 49 491 -16.76% 436 +10.15% 402 473
50 to 59 566 +14.53% 604 -10.89% 643 540
60 to 69 446 +9.69% 578 -24.54% 487 448
70+ 542 +9.88% 618 +35.49% 585 840

Median Household Income

The latest median household income of Port Jefferson, New York is $121,270.00.

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 Port Jefferson.

  • Under 25
    $0.00
  • 25 to 44
    $112,813.00
  • 45 to 64
    $142,500.00
  • 65 and over
    $100,192.00

Average Household Income

Whenever we ask what is the average household income in Port Jefferson, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Port Jefferson, 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 Port Jefferson, New York is currently $156,875.00.

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.

24.94% of households in Port Jefferson 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 Port Jefferson against other areas.

  • Less than $24,999
    4.02%
  • $25,000 to $49,999
    9.91%
  • $50,000 to $74,999
    13.83%
  • $75,000 to $99,999
    11.05%
  • $100,000 to $149,999
    24.19%
  • $150,000 to $199,999
    12.06%
  • $200,000 or more
    24.94%

Per Capita Income

The per capita income in Port Jefferson is $61,463.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Port Jefferson by the total population of Port Jefferson.

This is different from the average or mean income because it includes and accounts for all people in Port Jefferson, New York, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Port Jefferson 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
    36.77%
  • Bachelor's degree
    35.48%
  • Some college or associate's degree
    5.20%
  • High school diploma or equivalent
    21.10%
  • Less than high school diploma
    1.45%

Employment

Employment rates are all based around the total population in Port Jefferson that are over the age of 16.

The total population of Port Jefferson over the age of 16 is 6,615.

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 Port Jefferson is 61.00%.

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 413 26.40% 9.20%
20 to 24 years 341 78.60% 10.80%
25 to 29 years 582 92.80% 0.90%
30 to 34 years 465 91.20% 8.50%
35 to 44 years 767 84.60% 0.00%
45 to 54 years 1,099 82.70% 1.10%
55 to 59 years 588 82.50% 5.20%
60 to 64 years 478 62.10% 4.70%
65 to 74 years 1,013 40.50% 1.70%
75 years and over 869 9.20% 3.80%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Port Jefferson. 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 5,797 62.50% 3.40%
Black or African American 66 45.50% 0.00%
American Indian and Alaska Native 0 0.00% 0.00%
Asian 344 67.70% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 188 83.00% 10.90%
Two or more races 220 58.60% 0.00%
Hispanic or Latino 508 77.80% 3.50%
Not Hispanic or Latino 5,613 62.00% 3.50%

Occupations

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

The total population of civilian employees that are 16 years old or older in Port Jefferson is 4,032, with median earnings of $63,182.00.

Women in Port Jefferson, New York earning approximately 69.00% of the men's earnings.

Population Earnings
Total 4,032 $63,182.00
Male 2,276 $71,855.00
Female 1,756 $49,545.00

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 423 $91,477.00
Business and Financial 296 $107,593.00
Computer and Mathematical 55 $106,705.00
Architecture and Engineering 169 $102,386.00
Life, Physical, and Social Science 121 $62,321.00
Community and Social Service 97 $65,701.00
Legal 206 $101,071.00
Educational and Library 609 $65,528.00
Arts, Design, Entertainment, Sports, and Media 68 $21,818.00
Healthcare Practitioners 544 $73,889.00
Healthcare Support 19 $0.00
Firefighters and Protective Service 61 $90,850.00
Law Enforcement 41 $168,125.00
Food Preparation and Serving 138 $26,250.00
Building and Grounds Cleaning 114 $10,714.00
Personal Care and Service 44 $25,385.00
Sales 307 $25,298.00
Office and Administrative Support 346 $40,119.00
Farming, Fishing, and Forestry 0 $0.00
Construction and Extraction 127 $27,226.00
Installation, Maintenance, and Repair 79 $98,603.00
Production 56 $37,679.00
Transportation and Material Moving 45 $98,125.00

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 251 $103,785.00 172 $32,188.00
Business and Financial 151 $123,938.00 145 $92,156.00
Computer and Mathematical 37 $69,688.00 18 $0.00
Architecture and Engineering 149 $102,159.00 20 $130,357.00
Life, Physical, and Social Science 93 $71,625.00 28 $0.00
Community and Social Service 41 $66,420.00 56 $54,688.00
Legal 137 $104,663.00 69 $4,656.00
Educational and Library 269 $66,250.00 340 $64,773.00
Arts, Design, Entertainment, Sports, and Media 41 $78,281.00 27 $21,250.00
Healthcare Practitioners 217 $83,750.00 327 $63,281.00
Healthcare Support 10 $0.00 9 $0.00
Firefighters and Protective Service 61 $90,850.00 0 $0.00
Law Enforcement 41 $168,125.00 0 $0.00
Food Preparation and Serving 108 $25,893.00 30 $33,500.00
Building and Grounds Cleaning 111 $10,568.00 3 $0.00
Personal Care and Service 0 $0.00 44 $25,385.00
Sales 181 $25,536.00 126 $22,500.00
Office and Administrative Support 81 $12,386.00 265 $42,768.00
Farming, Fishing, and Forestry 0 $0.00 0 $0.00
Construction and Extraction 117 $42,560.00 10 $0.00
Installation, Maintenance, and Repair 79 $98,603.00 0 $0.00
Production 29 $0.00 27 $0.00
Transportation and Material Moving 45 $98,125.00 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 3,059 households in Port Jefferson, with an average household size of 2.5 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 1,812 families in Port Jefferson with an average family size of 3.16 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 1,491 97 224 1,247
Average Household Size 3.25 2.52 3.63 1.41
Total Families 1,491 97 224 0
Average Household Size 3.19 2.52 3.27 0

Poverty

Of the 1,812 families in Port Jefferson, 2.00% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Port Jefferson:

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 3,265 housing units in Port Jefferson, New York.

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

Total Percentage
Occupied 3,059 93.69%
Vacant 206 6.31%

23.34% of the total 3,265 housing units in Port Jefferson are rental units. This is approximately 762 properties.

For owner-occupied housing units, a total of 2,297 are occupied by the owner - or 70.35% of the total.

Rental Rates

The median rent for a property in Port Jefferson is $2,037.00.

In the chart below, we can look at the number of rental properties in Port Jefferson 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
    23
  • $500 to $999
    40
  • $1,000 to $1,499
    139
  • $1,500 to $1,999
    162
  • $2,000 to $2,499
    231
  • $2,500 to $2,999
    118
  • $3,000 or more
    49

Property Value

The median value of a property in Port Jefferson is $562,400.00.

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

  • Less than $50,000
    0
  • $50,000 to $99,999
    0
  • $100,000 to $149,999
    21
  • $150,000 to $199,999
    0
  • $200,000 to $299,999
    7
  • $300,000 to $499,999
    863
  • $500,000 to $999,999
    1,321
  • $1,000,000 or more
    85

Property Age

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

  • 1939 or earlier
    603
  • 1940 to 1949
    204
  • 1950 to 1959
    306
  • 1960 to 1969
    580
  • 1970 to 1979
    318
  • 1980 to 1989
    388
  • 1990 to 1999
    467
  • 2000 to 2009
    281
  • 2010 to 2013
    118
  • 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 Port Jefferson that have a particular number of vehicles available.

  • No vehicles available
    169
  • 1 vehicle available
    1,113
  • 2 vehicles available
    1,081
  • 3 or more vehicles available
    696

Commuting to Work

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

29.7 minutes is the average travel time to work for people in Port Jefferson.

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
    19
  • 5 to 9 minutes
    557
  • 10 to 14 minutes
    395
  • 15 to 19 minutes
    539
  • 20 to 24 minutes
    417
  • 25 to 29 minutes
    86
  • 30 to 34 minutes
    639
  • 35 to 39 minutes
    68
  • 40 to 44 minutes
    124
  • 45 to 59 minutes
    234
  • 60 to 89 minutes
    299
  • 90 or more minutes
    209

Summary

We've covered a LOT of demographic and population data for Port Jefferson, New York 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.