2025 Compare Cities People:
Central Islip, NY vs Oelwein, IA

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Highlights
- Oelwein is 0% more densely populated than Central Islip.
- People are 12.6% more likely to be married in Oelwein.
- The Median Age is 8.5 years older in Oelwein.
 Central Islip, NYOelwein, IAUnited States
 Population  Unlock5,961329,725,481
 Female Population48.8%  Unlock50.5%
 Male Population51.3%  Unlock49.5%
 Median Age  Unlock43.238.4
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 Population - 201035,912  Unlock309,327,143
 Population - 2000  Unlock6,692285,036,114
 Population - 199026,028  Unlock251,960,433
 Pop. 2000 to Now  Unlock-13.5%15.6%
 Pop. 1990 to Now26.2%  Unlock30.8%
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 Population Density  Unlock1,232.993.4
 Land Area7.1  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Central Islip, NYOelwein, IAUnited States
 Age 0 to 47.0%  Unlock5.9%
 Age 5 to 9  Unlock7.5%6.1%
 Age 10 to 147.7%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 206.1%  Unlock4.0%
 Age 21 to 24  Unlock2.6%5.2%
 Age 25 to 3414.7%  Unlock13.8%
 Age 35 to 44  Unlock12.4%12.9%
 Age 45 to 5414.0%  Unlock12.6%
 Age 55 to 59  Unlock8.3%6.7%
 Age 60 to 645.0%  Unlock6.3%
 Age 65 to 74  Unlock11.9%9.6%
 Age 75 to 843.4%  Unlock4.5%
 Age 85 and over  Unlock3.1%1.9%
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 Race
 Central Islip, NYOelwein, IAUnited States
 White17.3%  Unlock59.4%
 Black  Unlock1.5%12.2%
 Asian2.0%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races1.4%  Unlock3.2%
 Hispanic  Unlock2.5%18.4%
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 Marriage & Family
 Central Islip, NYOelwein, IAUnited States
 Married Population36.9%  Unlock49.8%
     Currently Married  Unlock39.1%48.0%
 Married but Separated2.6%  Unlock1.8%
 Single Population  Unlock58.5%50.2%
 Never Married47.7%  Unlock33.8%
 Divorced  Unlock17.8%10.8%
 Widowed3.2%  Unlock5.6%
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 Household Size  Unlock2.342.60
 Households9,331  Unlock124,010,992
 Family Households  Unlock1,31480,755,759
     Married couple, w/children29.4%  Unlock30.5%
     Married couple, no children  Unlock41.4%42.9%
 Non Family Households2,693  Unlock43,255,233
     Single householder, w/children  Unlock21.2%15.8%
     Single householder, no children22.0%  Unlock10.8%
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Reviews for Oelwein    1 Reviews

Oelwein is a decent city with above-average schools that is attempting to right a somewhat negative image. I lived there for seven years after living in several  More

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