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

In this article, we'll explore the population statistics for Central 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 Central Islip CDP, New York. The most basic data is the total population, which is the total number of people living in Central Islip CDP, New York. The estimated population of Central Islip CDP, New York is 36,292 people, with a median age of 34.7.

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

Year Population Change 5-Year Change
2021
36,292
+8.04%
+9.14%
2020
33,591
+7.65%
-
2019
31,205
-2.01% -
2018
31,846
-4.23% -
2017
33,253
- -

Population of Central 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
17.3%
23.2%
-25.43%
Black/African American
20.9%
26.2%
-20.23%
Native
0%
0.1%
-100.00%
Hispanic
57.7%
45.6%
+26.54%
Asian
2%
2.7%
-25.93%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
1.4%
1.9%
-26.32%
Other
0.7%
0.3%
+133.33%

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 Central 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 34.7 +1.76% 33.4 +1.83% 36.9 -1.07%
2020 34.1 -5.28% 32.8 -1.5% 37.3 -1.06%
2019 36 +3.75% 33.3 +0.3% 37.7 +3.01%
2018 34.7 +1.46% 33.2 -0.3% 36.6 +1.95%
2017 34.2 - 33.3 - 35.9 -

The median age of Central 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 2,579 +8% 1,862 -16.24% 2,690 1,549
10 to 19 2,482 +20.12% 2,188 +44.32% 3,004 3,270
20 to 29 2,781 -8.38% 2,493 +11.06% 2,516 2,763
30 to 39 2,284 +32.25% 2,403 -13.72% 3,052 2,046
40 to 49 2,403 +5.82% 2,197 +12.39% 2,497 2,458
50 to 59 2,324 +17.04% 2,341 +3.38% 2,669 2,420
60 to 69 1,600 -15.07% 1,320 +31.5% 1,339 1,753
70+ 818 +2.32% 1,178 +20.8% 831 1,435

Median Household Income

The latest median household income of Central Islip CDP, New York is $89,778.00.

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 Central Islip CDP.

  • Under 25
    $149,311.00
  • 25 to 44
    $100,082.00
  • 45 to 64
    $101,481.00
  • 65 and over
    $58,969.00

Average Household Income

Whenever we ask what is the average household income in Central 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 Central 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 Central Islip CDP, New York is currently $108,711.00.

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.

11.56% of households in Central 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 Central Islip CDP against other areas.

  • Less than $24,999
    10.50%
  • $25,000 to $49,999
    16.46%
  • $50,000 to $74,999
    15.38%
  • $75,000 to $99,999
    12.31%
  • $100,000 to $149,999
    23.98%
  • $150,000 to $199,999
    9.80%
  • $200,000 or more
    11.56%

Per Capita Income

The per capita income in Central Islip CDP is $30,443.00.

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

This is different from the average or mean income because it includes and accounts for all people in Central 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 Central 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
    9.08%
  • Bachelor's degree
    19.75%
  • Some college or associate's degree
    17.13%
  • High school diploma or equivalent
    44.12%
  • Less than high school diploma
    9.92%

Employment

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

The total population of Central Islip CDP over the age of 16 is 28,627.

Of those people, a total of 68.60% 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 Central Islip CDP is 65.50%.

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 2,848 36.10% 22.30%
20 to 24 years 2,457 78.20% 8.10%
25 to 29 years 2,822 78.20% 2.30%
30 to 34 years 2,504 81.00% 5.20%
35 to 44 years 5,417 86.30% 3.80%
45 to 54 years 5,074 83.90% 1.70%
55 to 59 years 2,147 67.40% 1.10%
60 to 64 years 1,830 64.70% 4.90%
65 to 74 years 2,101 36.50% 2.00%
75 years and over 1,427 9.70% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Central 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 11,304 66.40% 3.20%
Black or African American 6,780 70.20% 6.00%
American Indian and Alaska Native 32 65.60% 0.00%
Asian 681 71.10% 2.50%
Native Hawaiian and Other Pacific Islander 5 0.00% 0.00%
Other 5,926 70.30% 3.30%
Two or more races 3,899 69.70% 7.70%
Hispanic or Latino 15,641 71.80% 5.30%
Not Hispanic or Latino 5,599 58.90% 3.30%

Occupations

In this section we can look at the most common occupations in Central 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 Central Islip CDP is 18,749, with median earnings of $38,221.00.

Women in Central Islip CDP, New York earning approximately 88.20% of the men's earnings.

Population Earnings
Total 18,749 $38,221.00
Male 10,154 $40,514.00
Female 8,595 $35,722.00

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 1,087 $55,250.00
Business and Financial 404 $70,461.00
Computer and Mathematical 277 $66,875.00
Architecture and Engineering 281 $74,181.00
Life, Physical, and Social Science 54 $51,181.00
Community and Social Service 393 $70,149.00
Legal 96 $44,405.00
Educational and Library 879 $63,291.00
Arts, Design, Entertainment, Sports, and Media 187 $42,125.00
Healthcare Practitioners 628 $64,205.00
Healthcare Support 1,343 $30,084.00
Firefighters and Protective Service 423 $45,290.00
Law Enforcement 425 $67,917.00
Food Preparation and Serving 1,165 $18,786.00
Building and Grounds Cleaning 1,471 $30,398.00
Personal Care and Service 339 $20,075.00
Sales 1,589 $21,668.00
Office and Administrative Support 2,411 $43,695.00
Farming, Fishing, and Forestry 74 $12,986.00
Construction and Extraction 1,144 $50,056.00
Installation, Maintenance, and Repair 385 $56,250.00
Production 1,221 $40,098.00
Transportation and Material Moving 1,374 $34,283.00

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 688 $51,500.00 399 $55,583.00
Business and Financial 65 $59,938.00 339 $70,493.00
Computer and Mathematical 228 $73,958.00 49 $65,284.00
Architecture and Engineering 233 $105,182.00 48 $72,931.00
Life, Physical, and Social Science 0 $0.00 54 $51,181.00
Community and Social Service 103 $7,390.00 290 $82,625.00
Legal 7 $0.00 89 $43,988.00
Educational and Library 270 $95,096.00 609 $62,526.00
Arts, Design, Entertainment, Sports, and Media 121 $45,612.00 66 $12,500.00
Healthcare Practitioners 108 $60,962.00 520 $65,076.00
Healthcare Support 278 $35,308.00 1,065 $24,260.00
Firefighters and Protective Service 269 $22,194.00 154 $46,830.00
Law Enforcement 296 $110,323.00 129 $50,268.00
Food Preparation and Serving 681 $18,558.00 484 $20,015.00
Building and Grounds Cleaning 1,087 $31,058.00 384 $27,857.00
Personal Care and Service 32 $20,962.00 307 $19,764.00
Sales 992 $23,750.00 597 $15,995.00
Office and Administrative Support 645 $41,556.00 1,766 $44,036.00
Farming, Fishing, and Forestry 44 $0.00 30 $0.00
Construction and Extraction 1,097 $46,699.00 47 $112,240.00
Installation, Maintenance, and Repair 361 $56,838.00 24 $0.00
Production 712 $56,364.00 509 $32,118.00
Transportation and Material Moving 1,152 $46,354.00 222 $32,648.00

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 9,331 households in Central Islip CDP, with an average household size of 3.87 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 6,638 families in Central Islip CDP with an average family size of 4.3 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 3,702 1,038 1,898 2,693
Average Household Size 4.8 4.64 5.02 1.48
Total Families 3,702 1,038 1,898 0
Average Household Size 4.44 3.82 4.3 0

Poverty

Of the 6,638 families in Central Islip CDP, 5.20% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Central 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 10,267 housing units in Central Islip CDP, New York.

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

Total Percentage
Occupied 9,331 90.88%
Vacant 936 9.12%

21.91% of the total 10,267 housing units in Central Islip CDP are rental units. This is approximately 2,249 properties.

For owner-occupied housing units, a total of 6,917 are occupied by the owner - or 67.37% of the total.

Rental Rates

The median rent for a property in Central Islip CDP is $1,833.00.

In the chart below, we can look at the number of rental properties in Central 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
    165
  • Less than $500
    214
  • $500 to $999
    213
  • $1,000 to $1,499
    248
  • $1,500 to $1,999
    675
  • $2,000 to $2,499
    548
  • $2,500 to $2,999
    215
  • $3,000 or more
    136

Property Value

The median value of a property in Central Islip CDP is $318,800.00.

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

  • Less than $50,000
    190
  • $50,000 to $99,999
    83
  • $100,000 to $149,999
    50
  • $150,000 to $199,999
    321
  • $200,000 to $299,999
    2,316
  • $300,000 to $499,999
    3,557
  • $500,000 to $999,999
    358
  • $1,000,000 or more
    42

Property Age

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

  • 1939 or earlier
    184
  • 1940 to 1949
    588
  • 1950 to 1959
    2,397
  • 1960 to 1969
    1,978
  • 1970 to 1979
    2,043
  • 1980 to 1989
    717
  • 1990 to 1999
    1,248
  • 2000 to 2009
    888
  • 2010 to 2013
    200
  • 2014 or later
    24

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

  • No vehicles available
    958
  • 1 vehicle available
    2,646
  • 2 vehicles available
    2,553
  • 3 or more vehicles available
    3,174

Commuting to Work

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

27.5 minutes is the average travel time to work for people in Central 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
    159
  • 5 to 9 minutes
    871
  • 10 to 14 minutes
    1,716
  • 15 to 19 minutes
    2,940
  • 20 to 24 minutes
    3,016
  • 25 to 29 minutes
    1,038
  • 30 to 34 minutes
    3,782
  • 35 to 39 minutes
    479
  • 40 to 44 minutes
    453
  • 45 to 59 minutes
    1,200
  • 60 to 89 minutes
    741
  • 90 or more minutes
    591

Summary

We've covered a LOT of demographic and population data for Central 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.