2025 Compare Cities People:
Allentown, PA vs South Plainfield, NJ

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Highlights
- South Plainfield is 0% more densely populated than Allentown.
- People are 53.5% more likely to be married in South Plainfield.
- The Median Age is 9.3 years older in South Plainfield.
 Allentown, PASouth Plainfield, NJUnited States
 Population  Unlock24,251329,725,481
 Female Population51.2%  Unlock50.5%
 Male Population48.8%  Unlock49.5%
 Median Age  Unlock41.238.4
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 Population - 2010118,040  Unlock309,327,143
 Population - 2000  Unlock21,810285,036,114
 Population - 1990105,090  Unlock251,960,433
 Pop. 2000 to Now  Unlock9.9%15.6%
 Pop. 1990 to Now15.6%  Unlock30.8%
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 Population Density  Unlock2,923.293.4
 Land Area17.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Allentown, PASouth Plainfield, NJUnited States
 Age 0 to 47.7%  Unlock5.9%
 Age 5 to 9  Unlock4.8%6.1%
 Age 10 to 147.4%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 205.8%  Unlock4.0%
 Age 21 to 24  Unlock4.1%5.2%
 Age 25 to 3416.3%  Unlock13.8%
 Age 35 to 44  Unlock13.6%12.9%
 Age 45 to 5410.7%  Unlock12.6%
 Age 55 to 59  Unlock7.6%6.7%
 Age 60 to 645.0%  Unlock6.3%
 Age 65 to 74  Unlock10.6%9.6%
 Age 75 to 843.3%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
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 Race
 Allentown, PASouth Plainfield, NJUnited States
 White29.9%  Unlock59.4%
 Black  Unlock12.1%12.2%
 Asian3.0%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.7%0.4%
 Two or More Races1.7%  Unlock3.2%
 Hispanic  Unlock18.1%18.4%
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 Marriage & Family
 Allentown, PASouth Plainfield, NJUnited States
 Married Population38.5%  Unlock49.8%
     Currently Married  Unlock58.6%48.0%
 Married but Separated3.9%  Unlock1.8%
 Single Population  Unlock40.9%50.2%
 Never Married46.7%  Unlock33.8%
 Divorced  Unlock5.9%10.8%
 Widowed5.0%  Unlock5.6%
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 Household Size  Unlock2.942.60
 Households45,195  Unlock124,010,992
 Family Households  Unlock6,62180,755,759
     Married couple, w/children25.0%  Unlock30.5%
     Married couple, no children  Unlock45.0%42.9%
 Non Family Households17,255  Unlock43,255,233
     Single householder, w/children  Unlock7.6%15.8%
     Single householder, no children14.6%  Unlock10.8%
Reviews for Allentown    25 Reviews

Winter in Allentown is alright, mild temperatures, there isn't much snow but there are some nearby ski resorts with artificial snow. In the summer there are some fun  More

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do you like cold and snow? Allentown may not be the coldest place in the country but it gets very cold and the winter feels endless...arctic blast after another and  More

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Over 10 years ago

This is a beautiful place, kept clean by weekly street sweeping. A multitude of parks exist including the exceptional Rose Garden and sports fields, and people use them  More

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Reviews for South Plainfield    3 Reviews

Over 17 years ago

Environmentally conscious community. Great school system. Comfortable and safe recreation facilities and parks. Residents are consistently engaged in physical fitness  More

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located within a moments drive to all major hiways that are perfect for the easy commute. Public transportation either choose the bus line or train are conveinently  More

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Over 19 years ago

Closeness to NY and having a strong economy in NJ has lead to a vibrant and diverse life. Good scools, hospitals and public services - the staple of any good city is  More

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Start Your Review of South Plainfield


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