2025 Compare Cities People:
Rancho Santa Margarita, CA vs Half Moon Bay, CA

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Highlights
- Half Moon Bay is 0% more densely populated than Rancho Santa Margarita.
- People are 6.5% less likely to be married in Half Moon Bay.
- The Median Age is 5.2 years older in Half Moon Bay.
 Rancho Santa Margarita, CAHalf Moon Bay, CAUnited States
 Population  Unlock11,792329,725,481
 Female Population51.0%  Unlock50.5%
 Male Population49.0%  Unlock49.5%
 Median Age  Unlock44.938.4
 space3
 Population - 201047,877  Unlock309,327,143
 Population - 2000  Unlock11,842285,036,114
 Population - 199011,390  Unlock251,960,433
 Pop. 2000 to Now  Unlock5.7%15.6%
 Pop. 1990 to Now317.6%  Unlock30.8%
 space4
 Population Density  Unlock1,834.893.4
 Land Area12.9  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Rancho Santa Margarita, CAHalf Moon Bay, CAUnited States
 Age 0 to 46.4%  Unlock5.9%
 Age 5 to 9  Unlock5.0%6.1%
 Age 10 to 147.1%  Unlock6.6%
 Age 15 to 17  Unlock3.0%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock5.4%5.2%
 Age 25 to 3411.8%  Unlock13.8%
 Age 35 to 44  Unlock10.3%12.9%
 Age 45 to 5416.1%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 647.3%  Unlock6.3%
 Age 65 to 74  Unlock12.6%9.6%
 Age 75 to 842.5%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
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 Race
 Rancho Santa Margarita, CAHalf Moon Bay, CAUnited States
 White60.5%  Unlock59.4%
 Black  Unlock0.1%12.2%
 Asian11.1%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races5.5%  Unlock3.2%
 Hispanic  Unlock31.9%18.4%
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 Marriage & Family
 Rancho Santa Margarita, CAHalf Moon Bay, CAUnited States
 Married Population59.4%  Unlock49.8%
     Currently Married  Unlock54.1%48.0%
 Married but Separated0.8%  Unlock1.8%
 Single Population  Unlock44.5%50.2%
 Never Married28.2%  Unlock33.8%
 Divorced  Unlock9.2%10.8%
 Widowed2.9%  Unlock5.6%
 space5
 Household Size  Unlock2.862.60
 Households16,825  Unlock124,010,992
 Family Households  Unlock2,83280,755,759
     Married couple, w/children41.8%  Unlock30.5%
     Married couple, no children  Unlock53.6%42.9%
 Non Family Households3,817  Unlock43,255,233
     Single householder, w/children  Unlock11.8%15.8%
     Single householder, no children10.0%  Unlock10.8%
Reviews for Rancho Santa Margarita    13 Reviews

This page provides little information on RSM. I see they keep describing the area as "outside of Los Angeles." Culturally, it is so far from Los Angeles (I lived in LA,  More

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Over 10 years ago

The weather here is amazing. We get a few hot days in the summer but it cools down in the evening. I love being able to sleep with the windows  More

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This is the best place to live in South Orange County with mild temperatures, low crime, great schools and family orientated. RSM is a city that sits in a pocket backing  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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