2025 Compare Cities People:
Mill Valley, CA vs Half Moon Bay, CA

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Highlights
- Half Moon Bay is 0% more densely populated than Mill Valley.
- People are 1.0% less likely to be married in Half Moon Bay.
- The Median Age is 3.0 years younger in Half Moon Bay.
 Mill Valley, CAHalf Moon Bay, CAUnited States
 Population  Unlock11,792329,725,481
 Female Population52.5%  Unlock50.5%
 Male Population47.5%  Unlock49.5%
 Median Age  Unlock44.938.4
 space3
 Population - 201013,934  Unlock309,327,143
 Population - 2000  Unlock11,842285,036,114
 Population - 199013,038  Unlock251,960,433
 Pop. 2000 to Now  Unlock5.7%15.6%
 Pop. 1990 to Now9.9%  Unlock30.8%
 space4
 Population Density  Unlock1,834.893.4
 Land Area4.8  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Mill Valley, CAHalf Moon Bay, CAUnited States
 Age 0 to 42.9%  Unlock5.9%
 Age 5 to 9  Unlock5.0%6.1%
 Age 10 to 146.3%  Unlock6.6%
 Age 15 to 17  Unlock3.0%3.9%
 Age 18 to 203.4%  Unlock4.0%
 Age 21 to 24  Unlock5.4%5.2%
 Age 25 to 347.3%  Unlock13.8%
 Age 35 to 44  Unlock10.3%12.9%
 Age 45 to 5418.4%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 647.1%  Unlock6.3%
 Age 65 to 74  Unlock12.6%9.6%
 Age 75 to 846.5%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
 space1
 Race
 Mill Valley, CAHalf Moon Bay, CAUnited States
 White83.0%  Unlock59.4%
 Black  Unlock0.1%12.2%
 Asian6.1%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races5.4%  Unlock3.2%
 Hispanic  Unlock31.9%18.4%
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 Marriage & Family
 Mill Valley, CAHalf Moon Bay, CAUnited States
 Married Population56.1%  Unlock49.8%
     Currently Married  Unlock54.1%48.0%
 Married but Separated0.5%  Unlock1.8%
 Single Population  Unlock44.5%50.2%
 Never Married26.9%  Unlock33.8%
 Divorced  Unlock9.2%10.8%
 Widowed4.5%  Unlock5.6%
 space5
 Household Size  Unlock2.862.60
 Households5,622  Unlock124,010,992
 Family Households  Unlock2,83280,755,759
     Married couple, w/children35.2%  Unlock30.5%
     Married couple, no children  Unlock53.6%42.9%
 Non Family Households1,808  Unlock43,255,233
     Single householder, w/children  Unlock11.8%15.8%
     Single householder, no children5.6%  Unlock10.8%
Reviews for Mill Valley    7 Reviews

I lived in southern Marin County for 20 years and lived it. Just moved  More

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Over 15 years ago

Mill Valley is a perfect place to live and raise a family, if you don't mind a cost of living index of 233. Don't distress - go mountain biking or hiking with  More

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Over 16 years ago

Good weather all year around. Great public schools. Cost of living very high. Crime low wonderful outdoor activities nearby like hiking, beaches,  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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