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2025 Compare Cities People:
Pasadena, CA vs Boulder, CO

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Highlights
- Boulder is 0% more densely populated than Pasadena.
- People are 29.6% less likely to be married in Boulder.
- The Median Age is 10.2 years younger in Boulder.
 Pasadena, CABoulder, COUnited States
 Population  Unlock104,930329,725,481
 Female Population51.2%  Unlock50.5%
 Male Population48.8%  Unlock49.5%
 Median Age  Unlock28.938.4
 space3
 Population - 2010137,540  Unlock309,327,143
 Population - 2000  Unlock94,673285,036,114
 Population - 1990131,591  Unlock251,960,433
 Pop. 2000 to Now  Unlock13.7%15.6%
 Pop. 1990 to Now7.2%  Unlock30.8%
 space4
 Population Density  Unlock3,991.493.4
 Land Area23.0  Unlock3,531,905.4
 Water Area  Unlock1.0264,836.8
 space
 Est. Total Population By Age
 Pasadena, CABoulder, COUnited States
 Age 0 to 46.0%  Unlock5.9%
 Age 5 to 9  Unlock3.7%6.1%
 Age 10 to 144.8%  Unlock6.6%
 Age 15 to 17  Unlock2.5%3.9%
 Age 18 to 203.0%  Unlock4.0%
 Age 21 to 24  Unlock13.8%5.2%
 Age 25 to 3418.2%  Unlock13.8%
 Age 35 to 44  Unlock10.3%12.9%
 Age 45 to 5413.6%  Unlock12.6%
 Age 55 to 59  Unlock4.5%6.7%
 Age 60 to 645.4%  Unlock6.3%
 Age 65 to 74  Unlock7.0%9.6%
 Age 75 to 844.8%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Pasadena, CABoulder, COUnited States
 White33.8%  Unlock59.4%
 Black  Unlock1.0%12.2%
 Asian17.6%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races4.3%  Unlock3.2%
 Hispanic  Unlock10.6%18.4%
 space2
 Marriage & Family
 Pasadena, CABoulder, COUnited States
 Married Population45.4%  Unlock49.8%
     Currently Married  Unlock31.2%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock68.1%50.2%
 Never Married40.4%  Unlock33.8%
 Divorced  Unlock9.5%10.8%
 Widowed5.2%  Unlock5.6%
 space5
 Household Size  Unlock2.212.60
 Households55,191  Unlock124,010,992
 Family Households  Unlock17,34180,755,759
     Married couple, w/children29.6%  Unlock30.5%
     Married couple, no children  Unlock47.4%42.9%
 Non Family Households24,252  Unlock43,255,233
     Single householder, w/children  Unlock10.8%15.8%
     Single householder, no children14.8%  Unlock10.8%
Voting
Reviews for Pasadena    19 Reviews
boris · Pasadena, CA
Pasadena is one of the gems of the LA area
Over 5 years ago

Pasadena is a little slice of the world in the foothills above the San Gabriel Valley. It has everything you could want. Check out my video on the cost of living in  More

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cris · Pasadena, CA
climate
Over 10 years ago

The weather in Pasadena, CA is rather pleasant. It does not get cold here, it used to be around the first two weeks of December it could go down to 32-28 F, only a few  More

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Garry · La Crescenta, CA
great place to live
Over 11 years ago

Great place to live for all ages and enjoy mostly sunny  More

   |    Reply

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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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Learn More About Pasadena, California
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Learn More About Boulder, Colorado
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