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2025 Compare Cities People:
Iselin, NJ vs Colonia, NJ

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Highlights
- Colonia is 0% more densely populated than Iselin.
- People are 13.8% less likely to be married in Colonia.
- The Median Age is 0.1 years older in Colonia.
 Iselin, NJColonia, NJUnited States
 Population  Unlock18,776329,725,481
 Female Population51.3%  Unlock50.5%
 Male Population48.7%  Unlock49.5%
 Median Age  Unlock42.938.4
 space3
 Population - 201018,726  Unlock309,327,143
 Population - 2000  Unlock17,811285,036,114
 Population - 199016,141  Unlock251,960,433
 Pop. 2000 to Now  Unlock-2.2%15.6%
 Pop. 1990 to Now19.9%  Unlock30.8%
 space4
 Population Density  Unlock4,782.593.4
 Land Area3.2  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Iselin, NJColonia, NJUnited States
 Age 0 to 43.6%  Unlock5.9%
 Age 5 to 9  Unlock5.4%6.1%
 Age 10 to 146.6%  Unlock6.6%
 Age 15 to 17  Unlock4.4%3.9%
 Age 18 to 202.9%  Unlock4.0%
 Age 21 to 24  Unlock4.6%5.2%
 Age 25 to 3412.5%  Unlock13.8%
 Age 35 to 44  Unlock12.2%12.9%
 Age 45 to 5413.2%  Unlock12.6%
 Age 55 to 59  Unlock7.1%6.7%
 Age 60 to 646.7%  Unlock6.3%
 Age 65 to 74  Unlock11.3%9.6%
 Age 75 to 845.6%  Unlock4.5%
 Age 85 and over  Unlock2.7%1.9%
 space1
 Race
 Iselin, NJColonia, NJUnited States
 White27.8%  Unlock59.4%
 Black  Unlock6.4%12.2%
 Asian52.3%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock1.8%0.4%
 Two or More Races3.7%  Unlock3.2%
 Hispanic  Unlock12.2%18.4%
 space2
 Marriage & Family
 Iselin, NJColonia, NJUnited States
 Married Population63.5%  Unlock49.8%
     Currently Married  Unlock54.1%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock45.3%50.2%
 Never Married24.4%  Unlock33.8%
 Divorced  Unlock7.1%10.8%
 Widowed7.6%  Unlock5.6%
 space5
 Household Size  Unlock3.002.60
 Households6,410  Unlock124,010,992
 Family Households  Unlock4,91280,755,759
     Married couple, w/children32.8%  Unlock30.5%
     Married couple, no children  Unlock44.4%42.9%
 Non Family Households1,403  Unlock43,255,233
     Single householder, w/children  Unlock6.7%15.8%
     Single householder, no children10.6%  Unlock10.8%
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Reviews for Colonia    1 Reviews
Plainfield · Colonia, NJ
Nice place to live
Over 17 years ago

Colonia is a nice place to live, great neighbors and a nice place overall. This is of course a district of Woodbridge Township, which has a higher amount of crime than  More

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Learn More About Iselin, New Jersey
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