2026 Compare Cities People:
Castro Valley, CA vs Frisco, TX

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Highlights
- Frisco is 0% more densely populated than Castro Valley.
- People are 15.5% more likely to be married in Frisco.
- The Median Age is 4.9 years younger in Frisco.
 Castro Valley, CAFrisco, TXUnited States
 Population  Unlock193,140329,725,481
 Female Population51.4%  Unlock50.5%
 Male Population48.6%  Unlock49.5%
 Median Age  Unlock37.538.4
 space3
 Population - 201060,625  Unlock309,327,143
 Population - 2000  Unlock33,714285,036,114
 Population - 199048,619  Unlock251,960,433
 Pop. 2000 to Now  Unlock522.8%15.6%
 Pop. 1990 to Now33.1%  Unlock30.8%
 space4
 Population Density  Unlock2,841.893.4
 Land Area16.6  Unlock3,531,905.4
 Water Area  Unlock0.5264,836.8
 space
 Est. Total Population By Age
 Castro Valley, CAFrisco, TXUnited States
 Age 0 to 45.1%  Unlock5.9%
 Age 5 to 9  Unlock8.2%6.1%
 Age 10 to 145.5%  Unlock6.6%
 Age 15 to 17  Unlock5.8%3.9%
 Age 18 to 201.9%  Unlock4.0%
 Age 21 to 24  Unlock4.0%5.2%
 Age 25 to 3412.2%  Unlock13.8%
 Age 35 to 44  Unlock18.4%12.9%
 Age 45 to 5414.3%  Unlock12.6%
 Age 55 to 59  Unlock4.8%6.7%
 Age 60 to 647.5%  Unlock6.3%
 Age 65 to 74  Unlock5.8%9.6%
 Age 75 to 844.4%  Unlock4.5%
 Age 85 and over  Unlock0.6%1.9%
 space1
 Race
 Castro Valley, CAFrisco, TXUnited States
 White36.7%  Unlock59.4%
 Black  Unlock8.3%12.2%
 Asian31.2%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races4.8%  Unlock3.2%
 Hispanic  Unlock12.7%18.4%
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 Marriage & Family
 Castro Valley, CAFrisco, TXUnited States
 Married Population55.8%  Unlock49.8%
     Currently Married  Unlock63.5%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock35.6%50.2%
 Never Married29.8%  Unlock33.8%
 Divorced  Unlock7.4%10.8%
 Widowed6.0%  Unlock5.6%
 space5
 Household Size  Unlock2.902.60
 Households22,467  Unlock124,010,992
 Family Households  Unlock50,82980,755,759
     Married couple, w/children35.0%  Unlock30.5%
     Married couple, no children  Unlock31.9%42.9%
 Non Family Households5,775  Unlock43,255,233
     Single householder, w/children  Unlock8.5%15.8%
     Single householder, no children8.5%  Unlock10.8%
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 12 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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Reviews for Frisco    23 Reviews

If I had to select a sister city that reminds me of Frisco, it would be Irvine California in the county of Orange. Super safe city, great police and school districts,  More

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Over 4 years ago

I have lived here for 25 years, honestly, its the safest, most clean place in the USA. You just cant go wrong moving here. Many of the low rankings on this site are  More

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Amir · 
Over 4 years ago

Most overhyped city in the area. I wrote another post detailing this but wasn’t posted here for some reason. They purposely overhype the city through any means possible  More

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