2026 Compare Cities People:
Summit, NJ vs New Castle, PA

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Highlights
- New Castle is 0% more densely populated than Summit.
- People are 31.9% less likely to be married in New Castle.
- The Median Age is 0.6 years younger in New Castle.
 Summit, NJNew Castle, PAUnited States
 Population  Unlock21,992329,725,481
 Female Population51.9%  Unlock50.5%
 Male Population48.1%  Unlock49.5%
 Median Age  Unlock39.138.4
 space3
 Population - 201021,493  Unlock309,327,143
 Population - 2000  Unlock26,309285,036,114
 Population - 199019,757  Unlock251,960,433
 Pop. 2000 to Now  Unlock-18.4%15.6%
 Pop. 1990 to Now10.4%  Unlock30.8%
 space4
 Population Density  Unlock2,647.493.4
 Land Area6.0  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Summit, NJNew Castle, PAUnited States
 Age 0 to 47.4%  Unlock5.9%
 Age 5 to 9  Unlock6.2%6.1%
 Age 10 to 148.6%  Unlock6.6%
 Age 15 to 17  Unlock3.7%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock3.9%5.2%
 Age 25 to 347.7%  Unlock13.8%
 Age 35 to 44  Unlock10.9%12.9%
 Age 45 to 5416.4%  Unlock12.6%
 Age 55 to 59  Unlock5.8%6.7%
 Age 60 to 645.8%  Unlock6.3%
 Age 65 to 74  Unlock9.9%9.6%
 Age 75 to 844.1%  Unlock4.5%
 Age 85 and over  Unlock2.5%1.9%
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 Race
 Summit, NJNew Castle, PAUnited States
 White66.7%  Unlock59.4%
 Black  Unlock10.6%12.2%
 Asian9.1%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races4.0%  Unlock3.2%
 Hispanic  Unlock4.2%18.4%
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 Marriage & Family
 Summit, NJNew Castle, PAUnited States
 Married Population55.8%  Unlock49.8%
     Currently Married  Unlock35.2%48.0%
 Married but Separated0.6%  Unlock1.8%
 Single Population  Unlock62.0%50.2%
 Never Married32.8%  Unlock33.8%
 Divorced  Unlock15.0%10.8%
 Widowed4.7%  Unlock5.6%
 space5
 Household Size  Unlock2.292.60
 Households7,853  Unlock124,010,992
 Family Households  Unlock5,35480,755,759
     Married couple, w/children49.9%  Unlock30.5%
     Married couple, no children  Unlock36.4%42.9%
 Non Family Households2,166  Unlock43,255,233
     Single householder, w/children  Unlock30.4%15.8%
     Single householder, no children10.0%  Unlock10.8%
Reviews for Summit    5 Reviews

Over 18 years ago

While there seems to be a good amount of cultural activities and diversity in this area, and it is done with the intention that it makes people feel diverse, when they  More

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Over 20 years ago

A very nice town. If you have lots of money to spend on housing and really want to be in Summit then it is worth it. The water and air quality are terrible. And as a  More

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Summit, NJ is a very expensive place to live. But the town does a great job of making it worth every penny. Community activities, train station, quite neighborhoods,  More

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Reviews for New Castle    2 Reviews

Over 13 years ago

Climate is average. Winters can last a little longer than average, and summers can be warmer than  More

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Over 20 years ago

Overall, New Castle has a small,friendly community. There are not a lot of jobs there. Most people work in the Pittsburgh. It is easy to afford a home. Similar to  More

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