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2026 Compare Cities People:
Summit, NJ vs Wilmington, DE

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Highlights
- Wilmington is 0% more densely populated than Summit.
- People are 47.7% less likely to be married in Wilmington.
- The Median Age is 3.4 years younger in Wilmington.
 Summit, NJWilmington, DEUnited States
 Population  Unlock70,926329,725,481
 Female Population51.9%  Unlock50.5%
 Male Population48.1%  Unlock49.5%
 Median Age  Unlock36.338.4
 space3
 Population - 201021,493  Unlock309,327,143
 Population - 2000  Unlock72,664285,036,114
 Population - 199019,757  Unlock251,960,433
 Pop. 2000 to Now  Unlock-3.2%15.6%
 Pop. 1990 to Now10.4%  Unlock30.8%
 space4
 Population Density  Unlock6,504.693.4
 Land Area6.0  Unlock3,531,905.4
 Water Area  Unlock6.0264,836.8
 space
 Est. Total Population By Age
 Summit, NJWilmington, DEUnited States
 Age 0 to 47.4%  Unlock5.9%
 Age 5 to 9  Unlock5.7%6.1%
 Age 10 to 148.6%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock4.7%5.2%
 Age 25 to 347.7%  Unlock13.8%
 Age 35 to 44  Unlock13.1%12.9%
 Age 45 to 5416.4%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 645.8%  Unlock6.3%
 Age 65 to 74  Unlock8.3%9.6%
 Age 75 to 844.1%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
 space1
 Race
 Summit, NJWilmington, DEUnited States
 White66.7%  Unlock59.4%
 Black  Unlock56.1%12.2%
 Asian9.1%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races4.0%  Unlock3.2%
 Hispanic  Unlock10.5%18.4%
 space2
 Marriage & Family
 Summit, NJWilmington, DEUnited States
 Married Population55.8%  Unlock49.8%
     Currently Married  Unlock26.7%48.0%
 Married but Separated0.6%  Unlock1.8%
 Single Population  Unlock70.8%50.2%
 Never Married32.8%  Unlock33.8%
 Divorced  Unlock12.8%10.8%
 Widowed4.7%  Unlock5.6%
 space5
 Household Size  Unlock2.162.60
 Households7,853  Unlock124,010,992
 Family Households  Unlock14,28280,755,759
     Married couple, w/children49.9%  Unlock30.5%
     Married couple, no children  Unlock29.7%42.9%
 Non Family Households2,166  Unlock43,255,233
     Single householder, w/children  Unlock32.7%15.8%
     Single householder, no children10.0%  Unlock10.8%
Voting
Reviews for Summit    5 Reviews
Abhd · Summit, NJ
Atmosphere
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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myah  · Ann Arbor, MI
Summit
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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James · Summit, NJ
Worth it if you can afford it.
Over 20 years ago

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 Wilmington    18 Reviews
T · New Castle, DE
I Cannot Wait To Rid Myself of This Place
Over 9 years ago

I'm ready to get away from this whole state, once and for all! There are no real jobs here. The cost of living is getting entirely too high, as well as the crime.  More

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ron · Glen Allen, VA
Park Plaza
Over 10 years ago

can anyone offer information on the Park Plaza, 1100 Lovering Ave,  More

   |    Reply
Joseph · Wilmington, DE
So far I'm impressed with Wilmington
Over 10 years ago

When we sold our house in the burbs and downsized to a condo in Wilmington all our friends thought we were nuts. What about the crime? Well, we've been here for a year  More

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Learn More About Summit, New Jersey
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Learn More About Wilmington, Delaware
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