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2025 Compare Cities People:
Boulder, CO vs San Jose, CA

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Highlights
- San Jose is 0% more densely populated than Boulder.
- People are 62.2% more likely to be married in San Jose.
- The Median Age is 8.6 years older in San Jose.
 Boulder, COSan Jose, CAUnited States
 Population  Unlock1,013,337329,725,481
 Female Population48.5%  Unlock50.5%
 Male Population51.5%  Unlock49.5%
 Median Age  Unlock37.538.4
 space3
 Population - 201097,724  Unlock309,327,143
 Population - 2000  Unlock894,943285,036,114
 Population - 199083,312  Unlock251,960,433
 Pop. 2000 to Now  Unlock13.3%15.6%
 Pop. 1990 to Now29.2%  Unlock30.8%
 space4
 Population Density  Unlock5,721.793.4
 Land Area26.3  Unlock3,531,905.4
 Water Area  Unlock3.1264,836.8
 space
 Est. Total Population By Age
 Boulder, COSan Jose, CAUnited States
 Age 0 to 42.7%  Unlock5.9%
 Age 5 to 9  Unlock5.9%6.1%
 Age 10 to 143.6%  Unlock6.6%
 Age 15 to 17  Unlock3.8%3.9%
 Age 18 to 2016.2%  Unlock4.0%
 Age 21 to 24  Unlock5.2%5.2%
 Age 25 to 3416.3%  Unlock13.8%
 Age 35 to 44  Unlock14.8%12.9%
 Age 45 to 5410.3%  Unlock12.6%
 Age 55 to 59  Unlock6.5%6.7%
 Age 60 to 644.2%  Unlock6.3%
 Age 65 to 74  Unlock7.8%9.6%
 Age 75 to 843.1%  Unlock4.5%
 Age 85 and over  Unlock1.6%1.9%
 space1
 Race
 Boulder, COSan Jose, CAUnited States
 White78.3%  Unlock59.4%
 Black  Unlock2.8%12.2%
 Asian5.9%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock31.0%18.4%
 space2
 Marriage & Family
 Boulder, COSan Jose, CAUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock50.3%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock48.2%50.2%
 Never Married56.1%  Unlock33.8%
 Divorced  Unlock7.8%10.8%
 Widowed2.5%  Unlock5.6%
 space5
 Household Size  Unlock3.082.60
 Households42,610  Unlock124,010,992
 Family Households  Unlock234,54580,755,759
     Married couple, w/children33.3%  Unlock30.5%
     Married couple, no children  Unlock38.0%42.9%
 Non Family Households25,269  Unlock43,255,233
     Single householder, w/children  Unlock12.1%15.8%
     Single householder, no children8.5%  Unlock10.8%
Voting
Reviews for Boulder    55 Reviews
Guess · Boulder, CO
Expensive and requires liking a unique culture
Over 4 years ago

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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Linda · Boulder, CO
I love it here! Such a beautiful and friendly city
Over 5 years ago

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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H · Denver, CO
Snob says it's ok
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 San Jose    90 Reviews
Jim · San Jose, CA
West San Jose is a Desirable Area in San Jose
Over 2 years ago

I've lived in west San Jose/Cambrian, between Los Gatos and Almaden SJ since 1997. This side of town somehow avoided the erosion of the American dream. Houses are  More

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Roger · San Jose, CA
Declining quality of life…
Over 3 years ago

I lived in San Jose for 40 years. That’s during the most exciting time when the Silicon Valley was booming with real technology and San Jose was ranked as the safest big  More

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Donna · San Jose, CA
HORRIBLE place to live
Over 4 years ago

I've lived in San Jose, CA for 25 years. This city is being over run with crime and gangs. The cost of living is very high. Granted, you are so close to mountains,  More

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Learn More About Boulder, Colorado
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