Central Islip, New York Population 2024

36,864
31K32K33K34K35K36K37K201020112012201320142015201620172018201920202021202220232024YearPopulation

Central Islip is a CDP located in Suffolk County New York. Central Islip has a 2024 population of 36,864. Central Islip is currently growing at a rate of 0.47% annually and its population has increased by 9.74% since the most recent census, which recorded a population of 33,591 in 2020.

The average household income in Central Islip is $124,395 with a poverty rate of 9.33%. The median age in Central Islip is 33.9 years: 33.3 years for males, and 35.5 years for females.

Central Islip Demographics

According to the most recent ACS, the racial composition of Central Islip was:

  • Other race: 28.8%
  • White: 28.45%
  • Two or more races: 21.1%
  • Black or African American: 19.16%
  • Asian: 1.86%
  • Native American: 0.59%
  • Native Hawaiian or Pacific Islander: 0.04%
State
New York
County
Land Area (mi²)
7.2 sq mi
Density (mi²)
5,152.40/sq mi
Growth Since 2020
9.74% (3,273)
The current population of Central Islip, New York is 36,864 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 33,591.

Population by Race

Race
Population
Percentage (of total)
Other race10,87328.8%
White10,74128.45%
Two or more races7,96621.1%
Black or African American7,23219.16%
Asian7041.86%
Native American2210.59%
Native Hawaiian or Pacific Islander140.04%
28.8%28.45%21.1%19.16%Race

Other race

White

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Central Islip Population by Race

Central Islip Population Pyramid 2024

010203040506070802K1.8K1.6K1.4K1.2K1K800600400200002004006008001K1.2K1.4K1.6K1.8K2KMaleFemale

Central Islip Median Age

33.9

Total

33.3

Male

35.5

Female

Central Islip Adults

There are 28,080 adults, (3,945 of whom are seniors) in Central Islip.

Central Islip Age Dependency

56.4

Age Dependency Ratio

16.3

Old Age Dependency Ratio

40.1

Child Dependency Ratio

Central Islip Sex Ratio

Female18,77249.73%
Male18,97950.27%

Central Islip Population by Age

Central Islip Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All9,7133.8677.122.9
Married4,1854.886.113.9
Non Family2,7281.4656.343.7
Female1,8764.9279.320.7
Male9244.5593.16.9

4.37

Average Family Size

3.86

Average Household Size

77.1%

Rate of Home Ownership

43.09%9.51%19.31%28.09%Households by Type

Married

Male

Female

NonFamily

MaleMarriedFemaleAllNon Family00.10.20.30.40.50.60.70.80.91

owner

renter

Central Islip Households and Families

Less Than 9th Grade9th to 12th GradeHigh School GraduateSome CollegeAssociates DegreeBachelors DegreeGraduate Degree01K2K3K4K

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2,2379.27%
Associates Degree1,7867.4%
Bachelors Degree2,68211.12%
Graduate Degree1,7487.24%
High School Graduate8,08733.52%
Less Than 9th Grade3,32613.78%
Some College4,26317.67%
13.78%9.27%33.52%17.67%7.4%11.12%7.24%Over 25 Education

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Central Islip Educational Attainment by Sex (over 25)

Central Islip Educational Attainment by Race

BlackWhiteAsianOther RaceHispanicNative American2+ RacesIslander0%20%40%60%80%100%

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
Hispanic13,9429,3601,665
Other Race6,6544,472809
White4,7804,3271,276
2+ Races4,7153,033642
Black4,3124,0101,056
Asian578522328
Native American18111817
Islander1460

The highest rate of high school graduation is among black people with a rate of 93%.

The highest rate of bachelors degrees is among asian people with a rate of 56.75%.

Central Islip Educational Attainment by Race

OverallLess Than 9th GradeHigh School GraduateSome CollegeBachelors DegreeGraduate Degree$0$20,000$40,000$60,000$80,000$100,000$120,000

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$62,111$59,052$65,820
Graduate Degree$86,481$112,625$85,046
High School Graduate$37,928$41,463$36,052
Less Than 9th Grade$43,002$46,188$37,143
Overall$46,949$50,762$42,464
Some College$51,453$57,064$45,351

$46,949

Average Earnings

$50,762

Average Male

$42,464

Average Female

Central Islip Earnings by Educational Attainment

Central Islip Language by Age

39.59%54.74%Languages

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Central Islip Language

39.59% of Central Islip residents speak only English, while 60.41% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 54.74% of the population.

Central Islip Language

Central Islip Poverty by Race

IslanderNativeWhiteMultipleHispanicOtherBlackAsian0%5%10%15%20%25%30%35%40%45%50%55%60%

rate

Name
Total
In Poverty
Poverty Rate
Hispanic22,5992,0819.21%
Other10,4639539.11%
Multiple7,7557179.25%
White5,91670211.87%
Black7,2026559.09%
Native2213114.03%
Asian698263.72%
Islander14857.14%

9.33%

Overall Poverty Rate

8.8%

Male Poverty Rate

9.87%

Female Poverty Rate

Poverty in Central Islip

The race most likely to be in poverty in Central Islip is Islander, with 57.14% below the poverty level.

The race least likely to be in poverty in Central Islip is Asian, with 3.72% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.31%. Among those working part-time, it was 12.97%, and for those that did not work, the poverty rate was 19.08%.

Central Islip Poverty

Less Than 9th GradeHigh SchoolSome CollegeBachelors or Greater0%1%2%3%4%5%6%7%8%9%10%11%12%13%14%

rate

Rate
Poverty
Less Than 9th Grade13.86%
High School11.92%
Some College7.94%
Bachelors or Greater3.41%

Central Islip Poverty Rate by Education

Male EmployedMale UnemployedFemale EmployedFemale Unemployed0%2%4%6%8%10%12%14%16%18%20%22%24%

rate

Rate
Poverty
Male Unemployed23.14%
Female Unemployed15.82%
Female Employed4.73%
Male Employed2.17%

Central Islip Poverty Rate by Employment Status and Sex

Central Islip Income by Household Type

Under10k10kTo15k15kTo25k25kTo35k35kTo50k50kTo75k75kTo100k100kTo150k150kTo200kOver200k051015202530

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$114,788$130,786
Households$110,166$124,395
Married Families$130,164$-999,999,999
Non Families$54,115$80,431
HouseholdsFamiliesMarried FamiliesNon Families020,00040,00060,00080,000100,000120,000140,000

mean

median

Income by Household Type

Central Islip Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

37.8%

Overall Marriage Rate

40.1%

Male Marriage Rate

35.5%

Female Marriage Rate

Central Islip Married by Age and Sex

45-5455-6435-44Over 6520-340102030405060

male

female

Central Islip Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Central Islip Marital Status by Race

IndianAsianOtherRaceHispanicTwoOrMoreRacesWhiteWhiteNonHispanicBlackHawaiian0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Central Islip Marital Status

10.89%48.37%34.06%6.07%Veterans by War

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

758

Number of Veterans

706

Male Veterans

52

Female Veterans

War
Veterans
First Gulf War311
Vietnam219
Second Gulf War70
Korea39
World War II4

Central Islip Veterans by War

18 to 3435 to 5455 to 6465 to 7475+020406080100120140160180200220240260280

count

Age Group
Veterans
35 to 54279
55 to 64197
65 to 74149
75+127
18 to 346

Central Islip Veterans by Age

WhiteHispanicBlackOther Race2+ Races050100150200250300350400

count

Name
Veterans
% of Total
White3674.37%
Hispanic2921.79%
Black2324.24%
Other Race1001.31%
2+ Races591.04%

Central Islip Veterans by Race

Central Islip Veterans by Education

19.13%41.29%28.1%11.48%Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.07%

Veteran Poverty Rate

31.13%

Veteran Disability Rate

Central Islip Veterans by Education

16 - 1920 - 2425 - 2930 - 3435 - 4445 - 5455 - 5960 - 6465 - 7475+0102030405060708090

LaborForceParticipation

66.2%

Labor Force Participation

62.4%

Employment Rate

5.6%

Unemployment Rate

Central Islip Employment by Age

Native AmericanOther RaceAsianHispanicBlack2+ RacesWhiteWhite Non-Hispanic01020304050607080

LaborForceParticipation

Central Islip Employment by Race

Less Than High SchoolHigh School GraduateSome CollegeBachelors or Greater0102030405060708090

LaborForceParticipation

Central Islip Employment by Education

Origin of Non-Citizens

95.47%Origin

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.

Origin of Naturalized Citizens

5.49%88.27%Origin

Europe

Asia

Africa

Oceania

Latin America

North America

52.9%

Born in Central Islip

62.37%

Native Born

37.63%

Foreign Born

19.11%

Non Citizen

18.52%

Naturalized

Place of Birth

62.37% of Central Islip residents were born in the United States, with 52.9% having been born in New York. 19.11% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Central Islip Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202436,8641730.47%
202336,6911720.47%
202236,5192270.63%
202136,2922,7018.04%
202033,5912,3867.65%
201931,205-641-2.01%
201831,846-1,407-4.23%
201733,253-1,471-4.24%
201634,724-236-0.68%
201534,960-1,273-3.51%
201436,233-711-1.92%
201336,9441540.42%
201236,7901520.41%
201136,6382,1886.35%
201034,45000%

Central Islip Population by Year