2025 Compare Cities People:
San Marcos, CA vs Summit, NJ

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Highlights
- Summit is 0% more densely populated than San Marcos.
- People are 3.1% more likely to be married in Summit.
- The Median Age is 4.1 years older in Summit.
 San Marcos, CASummit, NJUnited States
 Population  Unlock22,598329,725,481
 Female Population50.1%  Unlock50.5%
 Male Population49.9%  Unlock49.5%
 Median Age  Unlock39.738.4
 space3
 Population - 201083,948  Unlock309,327,143
 Population - 2000  Unlock21,131285,036,114
 Population - 199038,974  Unlock251,960,433
 Pop. 2000 to Now  Unlock3.2%15.6%
 Pop. 1990 to Now150.1%  Unlock30.8%
 space4
 Population Density  Unlock3,770.193.4
 Land Area24.4  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 San Marcos, CASummit, NJUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock6.2%6.1%
 Age 10 to 148.0%  Unlock6.6%
 Age 15 to 17  Unlock5.5%3.9%
 Age 18 to 205.2%  Unlock4.0%
 Age 21 to 24  Unlock3.6%5.2%
 Age 25 to 3412.9%  Unlock13.8%
 Age 35 to 44  Unlock15.5%12.9%
 Age 45 to 5412.4%  Unlock12.6%
 Age 55 to 59  Unlock7.5%6.7%
 Age 60 to 644.6%  Unlock6.3%
 Age 65 to 74  Unlock6.2%9.6%
 Age 75 to 843.3%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
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 Race
 San Marcos, CASummit, NJUnited States
 White43.5%  Unlock59.4%
 Black  Unlock7.0%12.2%
 Asian10.5%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock1.5%0.4%
 Two or More Races4.2%  Unlock3.2%
 Hispanic  Unlock11.7%18.4%
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 Marriage & Family
 San Marcos, CASummit, NJUnited States
 Married Population54.1%  Unlock49.8%
     Currently Married  Unlock55.1%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock44.2%50.2%
 Never Married31.5%  Unlock33.8%
 Divorced  Unlock6.7%10.8%
 Widowed5.2%  Unlock5.6%
 space5
 Household Size  Unlock2.852.60
 Households30,304  Unlock124,010,992
 Family Households  Unlock5,68780,755,759
     Married couple, w/children40.9%  Unlock30.5%
     Married couple, no children  Unlock31.4%42.9%
 Non Family Households7,787  Unlock43,255,233
     Single householder, w/children  Unlock8.7%15.8%
     Single householder, no children9.4%  Unlock10.8%
Reviews for San Marcos    5 Reviews

Just an amazing place to live. I have lived in 7 states and almost countless cities. Sam Marcos is one of the best. This is literally the longest place I have lived  More

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Over 15 years ago

Is this area to expensive for the average income retired  More

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Over 18 years ago

Beautiful Mediterranean climate with bright sunshine and ocean breazes. City is just 15 minutes away from the  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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