West Islip CDP, Suffolk County, New York Population and Demographics

In this article, we'll explore the population statistics for West Islip CDP, 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 West Islip CDP, New York. The most basic data is the total population, which is the total number of people living in West Islip CDP, New York. The estimated population of West Islip CDP, New York is 27,557 people, with a median age of 40.4.

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

Year Population Change 5-Year Change
2021
27,557
+3.54%
+1.62%
2020
26,614
-0.86% -
2019
26,844
-1.12% -
2018
27,149
+0.12%
-
2017
27,117
- -

Population of West Islip CDP, 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
86.2%
89.8%
-4.01%
Black/African American
0.6%
0.7%
-14.29%
Native
0%
0%
0.00%
Hispanic
9.6%
7.7%
+24.68%
Asian
1.9%
1.1%
+72.73%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
1.5%
0.7%
+114.29%
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 West Islip CDP, 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 40.4 -3.12% 39.2 -3.45% 42.2 -2.54%
2020 41.7 -3.25% 40.6 -2.64% 43.3 -2.91%
2019 43.1 +0.23% 41.7 -0.71% 44.6 +0.68%
2018 43 +0.23% 42 +0.48% 44.3 0%
2017 42.9 - 41.8 - 44.3 -

The median age of West Islip CDP, 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 1,461 +33.26% 1,508 -17.46% 1,988 1,248
10 to 19 1,739 -8.41% 1,627 +4.96% 1,560 1,708
20 to 29 1,795 +11.04% 1,967 -14.58% 1,961 1,684
30 to 39 1,145 +37.56% 1,215 +42.12% 1,629 1,799
40 to 49 2,050 -2.09% 2,114 -32.44% 1,972 1,495
50 to 59 2,310 +4.68% 2,422 -0.16% 2,418 2,395
60 to 69 1,381 +10.04% 1,654 +7.08% 1,496 1,767
70+ 1,093 -2.42% 1,636 -16% 1,064 1,373

Median Household Income

The latest median household income of West Islip CDP, New York is $141,957.00.

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 West Islip CDP.

  • Under 25
    $0.00
  • 25 to 44
    $144,844.00
  • 45 to 64
    $161,599.00
  • 65 and over
    $88,269.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in West Islip 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 West Islip CDP, New York is currently $162,887.00.

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.

28.95% of households in West Islip 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 West Islip CDP against other areas.

  • Less than $24,999
    4.55%
  • $25,000 to $49,999
    8.19%
  • $50,000 to $74,999
    8.82%
  • $75,000 to $99,999
    11.34%
  • $100,000 to $149,999
    21.55%
  • $150,000 to $199,999
    16.59%
  • $200,000 or more
    28.95%

Per Capita Income

The per capita income in West Islip CDP is $53,057.00.

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

This is different from the average or mean income because it includes and accounts for all people in West Islip CDP, 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 West Islip 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
    26.20%
  • Bachelor's degree
    34.17%
  • Some college or associate's degree
    7.56%
  • High school diploma or equivalent
    30.68%
  • Less than high school diploma
    1.39%

Employment

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

The total population of West Islip CDP over the age of 16 is 22,526.

Of those people, a total of 69.60% 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 West Islip CDP is 66.90%.

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 1,473 39.20% 21.70%
20 to 24 years 2,073 79.60% 4.20%
25 to 29 years 1,572 93.10% 1.60%
30 to 34 years 1,824 87.10% 1.00%
35 to 44 years 3,419 89.10% 3.10%
45 to 54 years 4,125 83.10% 4.40%
55 to 59 years 2,340 78.00% 2.70%
60 to 64 years 1,897 70.00% 2.40%
65 to 74 years 2,286 31.10% 8.80%
75 years and over 1,517 4.50% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in West Islip 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 20,608 68.60% 4.30%
Black or African American 165 61.80% 0.00%
American Indian and Alaska Native 12 0.00% 0.00%
Asian 461 78.70% 3.60%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 268 74.30% 0.00%
Two or more races 1,012 87.50% 0.00%
Hispanic or Latino 1,931 82.00% 2.10%
Not Hispanic or Latino 19,731 68.50% 4.30%

Occupations

In this section we can look at the most common occupations in West Islip 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 West Islip CDP is 15,063, with median earnings of $62,810.00.

Women in West Islip CDP, New York earning approximately 80.60% of the men's earnings.

Population Earnings
Total 15,063 $62,810.00
Male 8,142 $67,123.00
Female 6,921 $54,106.00

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 1,644 $98,618.00
Business and Financial 1,245 $94,625.00
Computer and Mathematical 366 $91,250.00
Architecture and Engineering 237 $114,178.00
Life, Physical, and Social Science 77 $95,156.00
Community and Social Service 325 $77,361.00
Legal 143 $60,750.00
Educational and Library 1,685 $72,994.00
Arts, Design, Entertainment, Sports, and Media 256 $17,132.00
Healthcare Practitioners 1,036 $79,398.00
Healthcare Support 169 $38,393.00
Firefighters and Protective Service 298 $44,321.00
Law Enforcement 376 $121,019.00
Food Preparation and Serving 621 $10,965.00
Building and Grounds Cleaning 414 $43,966.00
Personal Care and Service 308 $14,500.00
Sales 1,752 $41,122.00
Office and Administrative Support 1,796 $44,914.00
Farming, Fishing, and Forestry 0 $0.00
Construction and Extraction 630 $93,191.00
Installation, Maintenance, and Repair 403 $68,938.00
Production 540 $65,278.00
Transportation and Material Moving 507 $31,343.00

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 942 $105,588.00 702 $98,355.00
Business and Financial 863 $120,815.00 382 $63,583.00
Computer and Mathematical 250 $101,176.00 116 $83,919.00
Architecture and Engineering 237 $114,178.00 0 $0.00
Life, Physical, and Social Science 33 $95,469.00 44 $94,688.00
Community and Social Service 55 $34,013.00 270 $78,056.00
Legal 51 $84,922.00 92 $44,886.00
Educational and Library 247 $127,629.00 1,438 $61,000.00
Arts, Design, Entertainment, Sports, and Media 118 $13,523.00 138 $22,000.00
Healthcare Practitioners 303 $93,760.00 733 $70,781.00
Healthcare Support 32 $41,471.00 137 $27,083.00
Firefighters and Protective Service 247 $44,839.00 51 $13,792.00
Law Enforcement 370 $121,296.00 6 $0.00
Food Preparation and Serving 370 $11,984.00 251 $6,835.00
Building and Grounds Cleaning 355 $44,784.00 59 $34,554.00
Personal Care and Service 132 $15,227.00 176 $14,250.00
Sales 987 $63,321.00 765 $22,917.00
Office and Administrative Support 664 $51,593.00 1,132 $40,391.00
Farming, Fishing, and Forestry 0 $0.00 0 $0.00
Construction and Extraction 630 $93,191.00 0 $0.00
Installation, Maintenance, and Repair 373 $68,188.00 30 $101,250.00
Production 249 $43,682.00 291 $105,507.00
Transportation and Material Moving 448 $32,250.00 59 $30,809.00

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 8,607 households in West Islip CDP, with an average household size of 3.16 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 7,024 families in West Islip CDP with an average family size of 3.51 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 5,890 365 769 1,583
Average Household Size 3.62 3.66 3.32 1.26
Total Families 5,890 365 769 0
Average Household Size 3.56 3.47 3.13 0

Poverty

Of the 7,024 families in West Islip CDP, 1.60% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in West Islip 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 8,788 housing units in West Islip CDP, New York.

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

Total Percentage
Occupied 8,607 97.94%
Vacant 181 2.06%

3.77% of the total 8,788 housing units in West Islip CDP are rental units. This is approximately 331 properties.

For owner-occupied housing units, a total of 8,268 are occupied by the owner - or 94.08% of the total.

Rental Rates

The median rent for a property in West Islip CDP is $1,978.00.

In the chart below, we can look at the number of rental properties in West Islip 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
    8
  • Less than $500
    0
  • $500 to $999
    9
  • $1,000 to $1,499
    82
  • $1,500 to $1,999
    78
  • $2,000 to $2,499
    75
  • $2,500 to $2,999
    39
  • $3,000 or more
    48

Property Value

The median value of a property in West Islip CDP is $465,500.00.

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

  • Less than $50,000
    44
  • $50,000 to $99,999
    58
  • $100,000 to $149,999
    10
  • $150,000 to $199,999
    64
  • $200,000 to $299,999
    249
  • $300,000 to $499,999
    4,785
  • $500,000 to $999,999
    2,716
  • $1,000,000 or more
    342

Property Age

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

  • 1939 or earlier
    353
  • 1940 to 1949
    510
  • 1950 to 1959
    3,508
  • 1960 to 1969
    2,410
  • 1970 to 1979
    1,006
  • 1980 to 1989
    279
  • 1990 to 1999
    305
  • 2000 to 2009
    204
  • 2010 to 2013
    205
  • 2014 or later
    8

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 West Islip CDP that have a particular number of vehicles available.

  • No vehicles available
    129
  • 1 vehicle available
    1,620
  • 2 vehicles available
    3,996
  • 3 or more vehicles available
    2,862

Commuting to Work

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

33.1 minutes is the average travel time to work for people in West Islip 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
    294
  • 5 to 9 minutes
    1,064
  • 10 to 14 minutes
    1,720
  • 15 to 19 minutes
    1,560
  • 20 to 24 minutes
    1,793
  • 25 to 29 minutes
    1,191
  • 30 to 34 minutes
    1,407
  • 35 to 39 minutes
    426
  • 40 to 44 minutes
    635
  • 45 to 59 minutes
    1,262
  • 60 to 89 minutes
    1,000
  • 90 or more minutes
    1,094

Summary

We've covered a LOT of demographic and population data for West Islip CDP, 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.