2025 Compare Cities People:
Boulder, CO vs Half Moon Bay, CA

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Highlights
- Half Moon Bay is 0% more densely populated than Boulder.
- People are 73.8% more likely to be married in Half Moon Bay.
- The Median Age is 16.0 years older in Half Moon Bay.
 Boulder, COHalf Moon Bay, CAUnited States
 Population  Unlock11,792329,725,481
 Female Population48.5%  Unlock50.5%
 Male Population51.5%  Unlock49.5%
 Median Age  Unlock44.938.4
 space3
 Population - 201097,724  Unlock309,327,143
 Population - 2000  Unlock11,842285,036,114
 Population - 199083,312  Unlock251,960,433
 Pop. 2000 to Now  Unlock5.7%15.6%
 Pop. 1990 to Now29.2%  Unlock30.8%
 space4
 Population Density  Unlock1,834.893.4
 Land Area26.3  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Boulder, COHalf Moon Bay, CAUnited States
 Age 0 to 42.7%  Unlock5.9%
 Age 5 to 9  Unlock5.0%6.1%
 Age 10 to 143.6%  Unlock6.6%
 Age 15 to 17  Unlock3.0%3.9%
 Age 18 to 2016.2%  Unlock4.0%
 Age 21 to 24  Unlock5.4%5.2%
 Age 25 to 3416.3%  Unlock13.8%
 Age 35 to 44  Unlock10.3%12.9%
 Age 45 to 5410.3%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 644.2%  Unlock6.3%
 Age 65 to 74  Unlock12.6%9.6%
 Age 75 to 843.1%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
 space1
 Race
 Boulder, COHalf Moon Bay, CAUnited States
 White78.3%  Unlock59.4%
 Black  Unlock0.1%12.2%
 Asian5.9%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock31.9%18.4%
 space2
 Marriage & Family
 Boulder, COHalf Moon Bay, CAUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock54.1%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock44.5%50.2%
 Never Married56.1%  Unlock33.8%
 Divorced  Unlock9.2%10.8%
 Widowed2.5%  Unlock5.6%
 space5
 Household Size  Unlock2.862.60
 Households42,610  Unlock124,010,992
 Family Households  Unlock2,83280,755,759
     Married couple, w/children33.3%  Unlock30.5%
     Married couple, no children  Unlock53.6%42.9%
 Non Family Households25,269  Unlock43,255,233
     Single householder, w/children  Unlock11.8%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 Half Moon Bay    3 Reviews

HMB has one of the best climates in the world. It also has some very good restaurants. You have the ocean on one side and scenic foothills to the east.It would be heaven  More

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Over 19 years ago

Rural coastal living in a great community close to San Francisco and Silicon  More

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Over 20 years ago

I lived in HMB for 17 years and loved (almost) every minute there. Beautiful hills to the east of the town and the Pacific ocean to the west. Close to San Francisco,  More

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