2025 Compare Cities People:
Summit, NJ vs Jefferson, IA

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Highlights
- Jefferson is 0% more densely populated than Summit.
- People are 18.3% less likely to be married in Jefferson.
- The Median Age is 8.0 years older in Jefferson.
 Summit, NJJefferson, IAUnited States
 Population  Unlock4,178329,725,481
 Female Population51.9%  Unlock50.5%
 Male Population48.1%  Unlock49.5%
 Median Age  Unlock47.738.4
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 Population - 201021,493  Unlock309,327,143
 Population - 2000  Unlock4,626285,036,114
 Population - 199019,757  Unlock251,960,433
 Pop. 2000 to Now  Unlock-11.9%15.6%
 Pop. 1990 to Now10.4%  Unlock30.8%
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 Population Density  Unlock700.193.4
 Land Area6.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Summit, NJJefferson, IAUnited States
 Age 0 to 47.4%  Unlock5.9%
 Age 5 to 9  Unlock4.3%6.1%
 Age 10 to 148.6%  Unlock6.6%
 Age 15 to 17  Unlock3.8%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock5.2%5.2%
 Age 25 to 347.7%  Unlock13.8%
 Age 35 to 44  Unlock11.4%12.9%
 Age 45 to 5416.4%  Unlock12.6%
 Age 55 to 59  Unlock6.3%6.7%
 Age 60 to 645.8%  Unlock6.3%
 Age 65 to 74  Unlock14.3%9.6%
 Age 75 to 844.1%  Unlock4.5%
 Age 85 and over  Unlock5.5%1.9%
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 Race
 Summit, NJJefferson, IAUnited States
 White66.7%  Unlock59.4%
 Black  Unlock0.1%12.2%
 Asian9.1%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races4.0%  Unlock3.2%
 Hispanic  Unlock4.3%18.4%
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 Marriage & Family
 Summit, NJJefferson, IAUnited States
 Married Population55.8%  Unlock49.8%
     Currently Married  Unlock43.7%48.0%
 Married but Separated0.6%  Unlock1.8%
 Single Population  Unlock54.4%50.2%
 Never Married32.8%  Unlock33.8%
 Divorced  Unlock16.0%10.8%
 Widowed4.7%  Unlock5.6%
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 Household Size  Unlock2.072.60
 Households7,853  Unlock124,010,992
 Family Households  Unlock99580,755,759
     Married couple, w/children49.9%  Unlock30.5%
     Married couple, no children  Unlock52.1%42.9%
 Non Family Households2,166  Unlock43,255,233
     Single householder, w/children  Unlock12.4%15.8%
     Single householder, no children10.0%  Unlock10.8%
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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Reviews for Jefferson    2 Reviews

Over 7 years ago

We moved to Jefferson from another state and love it here. We've been made to feel welcome by so many folks. People are kind here and there's a focus on the community.  More

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Over 11 years ago

Life is good in Jefferson. Low crime, low cost of living, small town friendliness, good access to health care, close enough to larger metropolitan amenities. Good  More

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