2025 Compare Cities People:
West Islip, NY vs Closter, NJ

Change Cities
Highlights
- Closter is 0% more densely populated than West Islip.
- People are 8.9% more likely to be married in Closter.
- The Median Age is 1.5 years older in Closter.
 West Islip, NYCloster, NJUnited States
 Population  Unlock8,573329,725,481
 Female Population48.9%  Unlock50.5%
 Male Population51.1%  Unlock49.5%
 Median Age  Unlock41.938.4
 space3
 Population - 201028,692  Unlock309,327,143
 Population - 2000  Unlock8,383285,036,114
 Population - 199028,419  Unlock251,960,433
 Pop. 2000 to Now  Unlock0.8%15.6%
 Pop. 1990 to Now-5.7%  Unlock30.8%
 space4
 Population Density  Unlock2,713.093.4
 Land Area6.3  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 West Islip, NYCloster, NJUnited States
 Age 0 to 46.4%  Unlock5.9%
 Age 5 to 9  Unlock8.3%6.1%
 Age 10 to 145.6%  Unlock6.6%
 Age 15 to 17  Unlock5.2%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock3.8%5.2%
 Age 25 to 3412.3%  Unlock13.8%
 Age 35 to 44  Unlock11.9%12.9%
 Age 45 to 5415.0%  Unlock12.6%
 Age 55 to 59  Unlock9.5%6.7%
 Age 60 to 646.9%  Unlock6.3%
 Age 65 to 74  Unlock7.7%9.6%
 Age 75 to 844.0%  Unlock4.5%
 Age 85 and over  Unlock1.6%1.9%
 space1
 Race
 West Islip, NYCloster, NJUnited States
 White86.2%  Unlock59.4%
 Black  Unlock3.4%12.2%
 Asian1.9%  Unlock5.6%
 Native American  Unlock0.5%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.7%0.4%
 Two or More Races1.5%  Unlock3.2%
 Hispanic  Unlock7.9%18.4%
 space2
 Marriage & Family
 West Islip, NYCloster, NJUnited States
 Married Population56.9%  Unlock49.8%
     Currently Married  Unlock61.6%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock38.0%50.2%
 Never Married31.6%  Unlock33.8%
 Divorced  Unlock6.1%10.8%
 Widowed5.2%  Unlock5.6%
 space5
 Household Size  Unlock3.052.60
 Households8,607  Unlock124,010,992
 Family Households  Unlock2,37080,755,759
     Married couple, w/children37.2%  Unlock30.5%
     Married couple, no children  Unlock44.3%42.9%
 Non Family Households1,583  Unlock43,255,233
     Single householder, w/children  Unlock13.4%15.8%
     Single householder, no children7.4%  Unlock10.8%
Reviews for West Islip    1 Reviews

Over 15 years ago

It's a nice town full of middle-class to upper-class people. Mostly white though...wish it was more integrated.  More

   |    Reply

Start Your Review of West Islip

Reviews for Closter    1 Reviews

Closter has excellent schools; a small but convenient downtown; it's fair share of green, open spaces; and close proximity to NYC. However housing prices are steep and  More

   |    Reply

Start Your Review of Closter


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.