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2026 Compare Cities People:
Seaside Park, NJ vs Clarks Summit, PA

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Highlights
- Clarks Summit is 0% more densely populated than Seaside Park.
- People are 8.4% less likely to be married in Clarks Summit.
- The Median Age is 14.2 years younger in Clarks Summit.
 Seaside Park, NJClarks Summit, PAUnited States
 Population  Unlock5,122329,725,481
 Female Population53.6%  Unlock50.5%
 Male Population46.5%  Unlock49.5%
 Median Age  Unlock44.638.4
 space3
 Population - 20101,579  Unlock309,327,143
 Population - 2000  Unlock5,126285,036,114
 Population - 19901,871  Unlock251,960,433
 Pop. 2000 to Now  Unlock-5.5%15.6%
 Pop. 1990 to Now-16.6%  Unlock30.8%
 space4
 Population Density  Unlock3,231.693.4
 Land Area0.7  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Seaside Park, NJClarks Summit, PAUnited States
 Age 0 to 44.7%  Unlock5.9%
 Age 5 to 9  Unlock4.5%6.1%
 Age 10 to 140.5%  Unlock6.6%
 Age 15 to 17  Unlock3.4%3.9%
 Age 18 to 200.0%  Unlock4.0%
 Age 21 to 24  Unlock5.8%5.2%
 Age 25 to 347.2%  Unlock13.8%
 Age 35 to 44  Unlock7.8%12.9%
 Age 45 to 5410.4%  Unlock12.6%
 Age 55 to 59  Unlock6.2%6.7%
 Age 60 to 649.7%  Unlock6.3%
 Age 65 to 74  Unlock12.3%9.6%
 Age 75 to 8410.4%  Unlock4.5%
 Age 85 and over  Unlock1.6%1.9%
 space1
 Race
 Seaside Park, NJClarks Summit, PAUnited States
 White96.3%  Unlock59.4%
 Black  Unlock0.0%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock2.0%0.4%
 Two or More Races1.1%  Unlock3.2%
 Hispanic  Unlock6.6%18.4%
 space2
 Marriage & Family
 Seaside Park, NJClarks Summit, PAUnited States
 Married Population54.0%  Unlock49.8%
     Currently Married  Unlock46.7%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock50.5%50.2%
 Never Married28.1%  Unlock33.8%
 Divorced  Unlock8.6%10.8%
 Widowed6.8%  Unlock5.6%
 space5
 Household Size  Unlock2.272.60
 Households960  Unlock124,010,992
 Family Households  Unlock1,25280,755,759
     Married couple, w/children7.1%  Unlock30.5%
     Married couple, no children  Unlock54.5%42.9%
 Non Family Households436  Unlock43,255,233
     Single householder, w/children  Unlock10.7%15.8%
     Single householder, no children7.8%  Unlock10.8%
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Reviews for Clarks Summit    2 Reviews
flynott · Clarks Summit, PA
Family
Over 12 years ago

Its where my family  More

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Joseph · Clarks Summit, PA
Great Place to Live
Over 19 years ago

We found this area through "Best Places". When we visited the area we fell in love with it and bought a home. Only about 2 hrs from either NYC or Philly. But, with one  More

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Learn More About Seaside Park, New Jersey
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Learn More About Clarks Summit, Pennsylvania
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