2025 Compare Cities People:
Sebastopol, CA vs Half Moon Bay, CA

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Highlights
- Half Moon Bay is 0% more densely populated than Sebastopol.
- People are 11.8% more likely to be married in Half Moon Bay.
- The Median Age is 4.2 years younger in Half Moon Bay.
 Sebastopol, CAHalf Moon Bay, CAUnited States
 Population  Unlock11,792329,725,481
 Female Population53.8%  Unlock50.5%
 Male Population46.3%  Unlock49.5%
 Median Age  Unlock44.938.4
 space3
 Population - 20107,474  Unlock309,327,143
 Population - 2000  Unlock11,842285,036,114
 Population - 19907,004  Unlock251,960,433
 Pop. 2000 to Now  Unlock5.7%15.6%
 Pop. 1990 to Now8.4%  Unlock30.8%
 space4
 Population Density  Unlock1,834.893.4
 Land Area1.9  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Sebastopol, CAHalf Moon Bay, CAUnited States
 Age 0 to 43.4%  Unlock5.9%
 Age 5 to 9  Unlock5.0%6.1%
 Age 10 to 145.5%  Unlock6.6%
 Age 15 to 17  Unlock3.0%3.9%
 Age 18 to 202.9%  Unlock4.0%
 Age 21 to 24  Unlock5.4%5.2%
 Age 25 to 3412.3%  Unlock13.8%
 Age 35 to 44  Unlock10.3%12.9%
 Age 45 to 5413.3%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 649.4%  Unlock6.3%
 Age 65 to 74  Unlock12.6%9.6%
 Age 75 to 844.5%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
 space1
 Race
 Sebastopol, CAHalf Moon Bay, CAUnited States
 White72.0%  Unlock59.4%
 Black  Unlock0.1%12.2%
 Asian4.4%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races6.4%  Unlock3.2%
 Hispanic  Unlock31.9%18.4%
 space2
 Marriage & Family
 Sebastopol, CAHalf Moon Bay, CAUnited States
 Married Population49.7%  Unlock49.8%
     Currently Married  Unlock54.1%48.0%
 Married but Separated1.0%  Unlock1.8%
 Single Population  Unlock44.5%50.2%
 Never Married29.1%  Unlock33.8%
 Divorced  Unlock9.2%10.8%
 Widowed4.3%  Unlock5.6%
 space5
 Household Size  Unlock2.862.60
 Households3,221  Unlock124,010,992
 Family Households  Unlock2,83280,755,759
     Married couple, w/children30.6%  Unlock30.5%
     Married couple, no children  Unlock53.6%42.9%
 Non Family Households1,294  Unlock43,255,233
     Single householder, w/children  Unlock11.8%15.8%
     Single householder, no children15.2%  Unlock10.8%
Reviews for Sebastopol    6 Reviews

Over 9 years ago

I lived in Sebastopol for 5 years. During my 50+ years on this planet, I have lived many places (New Jersey, NYC, New Zealand, San Diego, Hawaii, Maui, Ashland OR,  More

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Sebastopol, CA really is a great place to live. Located only 50 miles north of San Francisco in the beautiful Sonoma County Wine Country, Sebastopol retains its  More

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it may be pricey, but that really defines the town as who truly loves it. the cost of living is something to think about. i think it is a wonderful town and would be  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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