2025 Compare Cities People:
Lake Forest, CA vs Castro Valley, CA

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Highlights
- Castro Valley is 0% more densely populated than Lake Forest.
- People are 0.9% more likely to be married in Castro Valley.
- The Median Age is 2.3 years older in Castro Valley.
 Lake Forest, CACastro Valley, CAUnited States
 Population  Unlock66,324329,725,481
 Female Population50.8%  Unlock50.5%
 Male Population49.2%  Unlock49.5%
 Median Age  Unlock42.438.4
 space3
 Population - 201077,506  Unlock309,327,143
 Population - 2000  Unlock57,292285,036,114
 Population - 199058,656  Unlock251,960,433
 Pop. 2000 to Now  Unlock13.0%15.6%
 Pop. 1990 to Now45.5%  Unlock30.8%
 space4
 Population Density  Unlock3,997.893.4
 Land Area16.6  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Lake Forest, CACastro Valley, CAUnited States
 Age 0 to 46.4%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 145.6%  Unlock6.6%
 Age 15 to 17  Unlock4.3%3.9%
 Age 18 to 203.0%  Unlock4.0%
 Age 21 to 24  Unlock3.5%5.2%
 Age 25 to 3413.5%  Unlock13.8%
 Age 35 to 44  Unlock14.4%12.9%
 Age 45 to 5416.1%  Unlock12.6%
 Age 55 to 59  Unlock7.8%6.7%
 Age 60 to 646.1%  Unlock6.3%
 Age 65 to 74  Unlock10.4%9.6%
 Age 75 to 843.3%  Unlock4.5%
 Age 85 and over  Unlock2.4%1.9%
 space1
 Race
 Lake Forest, CACastro Valley, CAUnited States
 White49.6%  Unlock59.4%
 Black  Unlock9.3%12.2%
 Asian18.6%  Unlock5.6%
 Native American  Unlock0.5%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races4.7%  Unlock3.2%
 Hispanic  Unlock16.9%18.4%
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 Marriage & Family
 Lake Forest, CACastro Valley, CAUnited States
 Married Population55.3%  Unlock49.8%
     Currently Married  Unlock54.5%48.0%
 Married but Separated1.1%  Unlock1.8%
 Single Population  Unlock44.2%50.2%
 Never Married30.7%  Unlock33.8%
 Divorced  Unlock8.4%10.8%
 Widowed4.0%  Unlock5.6%
 space5
 Household Size  Unlock2.902.60
 Households29,870  Unlock124,010,992
 Family Households  Unlock16,69280,755,759
     Married couple, w/children37.9%  Unlock30.5%
     Married couple, no children  Unlock45.3%42.9%
 Non Family Households8,193  Unlock43,255,233
     Single householder, w/children  Unlock11.2%15.8%
     Single householder, no children10.6%  Unlock10.8%
Reviews for Lake Forest    16 Reviews

I've lived in Lake Forest for over a decade, before that elsewhere in OC and also up in LA. Lake Forest isn't perfect but it's really improved over the past decade,  More

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As a retired senior who has lived in Lake Forest (formerly El Toro) since 1977 I think LF is a great place if you can afford it. When we moved here in June '77 homes  More

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I’ve lived here for 2 years. Ok, it’s more like a 4 but there are so many idiots downplaying what it’s like here and giving Lake Forest ones and twos. There are a lot of  More

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Reviews for Castro Valley    7 Reviews

CURMUDGEON - THANK YOU for your post. The most important part of your comment is your second paragraph. "Hodge-Podge" is the correct word for a lot of Castro  More

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Over 11 years ago

Kind of rural but close to Oakland and San  More

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Castro Valley is the largest unincorporated "city" in the Bay Area. Over the years, several attempts have been made to incorporate, but they have all been defeated at  More

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