2025 Compare Cities People:
Concord, CA vs Castro Valley, CA

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Highlights
- Castro Valley is 0% more densely populated than Concord.
- People are 6.2% more likely to be married in Castro Valley.
- The Median Age is 3.9 years older in Castro Valley.
 Concord, CACastro Valley, CAUnited States
 Population  Unlock66,324329,725,481
 Female Population50.4%  Unlock50.5%
 Male Population49.6%  Unlock49.5%
 Median Age  Unlock42.438.4
 space3
 Population - 2010122,440  Unlock309,327,143
 Population - 2000  Unlock57,292285,036,114
 Population - 1990111,348  Unlock251,960,433
 Pop. 2000 to Now  Unlock13.0%15.6%
 Pop. 1990 to Now15.4%  Unlock30.8%
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 Population Density  Unlock3,997.893.4
 Land Area30.6  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Concord, CACastro Valley, CAUnited States
 Age 0 to 47.2%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 145.3%  Unlock6.6%
 Age 15 to 17  Unlock4.3%3.9%
 Age 18 to 202.9%  Unlock4.0%
 Age 21 to 24  Unlock3.5%5.2%
 Age 25 to 3415.6%  Unlock13.8%
 Age 35 to 44  Unlock14.4%12.9%
 Age 45 to 5412.2%  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 844.0%  Unlock4.5%
 Age 85 and over  Unlock2.4%1.9%
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 Race
 Concord, CACastro Valley, CAUnited States
 White46.2%  Unlock59.4%
 Black  Unlock9.3%12.2%
 Asian13.3%  Unlock5.6%
 Native American  Unlock0.5%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races6.1%  Unlock3.2%
 Hispanic  Unlock16.9%18.4%
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 Marriage & Family
 Concord, CACastro Valley, CAUnited States
 Married Population52.5%  Unlock49.8%
     Currently Married  Unlock54.5%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock44.2%50.2%
 Never Married32.5%  Unlock33.8%
 Divorced  Unlock8.4%10.8%
 Widowed5.0%  Unlock5.6%
 space5
 Household Size  Unlock2.902.60
 Households45,471  Unlock124,010,992
 Family Households  Unlock16,69280,755,759
     Married couple, w/children34.9%  Unlock30.5%
     Married couple, no children  Unlock45.3%42.9%
 Non Family Households15,023  Unlock43,255,233
     Single householder, w/children  Unlock11.2%15.8%
     Single householder, no children11.3%  Unlock10.8%
Reviews for Concord    22 Reviews

Over 4 years ago

I've lived here for 13 years. Concord has easy access to Walnut Creek and Pleasant Hill and is about 25 minutes from Oakland, and 45 minutes from San Francisco.  More

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I moved to Concord 20 years ago and have loved living here. It has a charming central square downtown that hosts farmers markets two days a week. I love the Music &  More

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We Moved to Concord from the Los Angeles area in 1982 as a young couple starting a family. Concord has been a great place to raise kids. Low crime and great people.  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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