2025 Compare Cities People:
Boulder, CO vs Summit, NJ

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Highlights
- Summit is 0% more densely populated than Boulder.
- People are 74.6% more likely to be married in Summit.
- The Median Age is 10.8 years older in Summit.
 Boulder, COSummit, NJUnited States
 Population  Unlock22,598329,725,481
 Female Population48.5%  Unlock50.5%
 Male Population51.5%  Unlock49.5%
 Median Age  Unlock39.738.4
 space3
 Population - 201097,724  Unlock309,327,143
 Population - 2000  Unlock21,131285,036,114
 Population - 199083,312  Unlock251,960,433
 Pop. 2000 to Now  Unlock3.2%15.6%
 Pop. 1990 to Now29.2%  Unlock30.8%
 space4
 Population Density  Unlock3,770.193.4
 Land Area26.3  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Boulder, COSummit, NJUnited States
 Age 0 to 42.7%  Unlock5.9%
 Age 5 to 9  Unlock6.2%6.1%
 Age 10 to 143.6%  Unlock6.6%
 Age 15 to 17  Unlock5.5%3.9%
 Age 18 to 2016.2%  Unlock4.0%
 Age 21 to 24  Unlock3.6%5.2%
 Age 25 to 3416.3%  Unlock13.8%
 Age 35 to 44  Unlock15.5%12.9%
 Age 45 to 5410.3%  Unlock12.6%
 Age 55 to 59  Unlock7.5%6.7%
 Age 60 to 644.2%  Unlock6.3%
 Age 65 to 74  Unlock6.2%9.6%
 Age 75 to 843.1%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
 space1
 Race
 Boulder, COSummit, NJUnited States
 White78.3%  Unlock59.4%
 Black  Unlock7.0%12.2%
 Asian5.9%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock1.5%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock11.7%18.4%
 space2
 Marriage & Family
 Boulder, COSummit, NJUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock55.1%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock44.2%50.2%
 Never Married56.1%  Unlock33.8%
 Divorced  Unlock6.7%10.8%
 Widowed2.5%  Unlock5.6%
 space5
 Household Size  Unlock2.852.60
 Households42,610  Unlock124,010,992
 Family Households  Unlock5,68780,755,759
     Married couple, w/children33.3%  Unlock30.5%
     Married couple, no children  Unlock31.4%42.9%
 Non Family Households25,269  Unlock43,255,233
     Single householder, w/children  Unlock8.7%15.8%
     Single householder, no children8.5%  Unlock10.8%
Reviews for Boulder    55 Reviews

Outside of the university, Boulder had a very distinctive "wealthy hippy" feel. A lot of alternative medicine and a matching ethos. This is changing some among my  More

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We moved here from Texas about 4 years ago and love it here! The amazing sense of community and high regard for the environment are two of the main reasons we love  More

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Over 5 years ago

Most people do much worse than Boulder. I'm the most critical person I've ever met who is never happy or satisfied -- so that's a pretty huge compliment.   More

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Reviews for Summit    5 Reviews

Over 17 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 19 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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