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2026 Compare Cities People:
Sunnyvale, CA vs Contra Costa Centre, CA

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Highlights
- Contra Costa Centre is 0% more densely populated than Sunnyvale.
- People are 26.3% less likely to be married in Contra Costa Centre.
- The Median Age is 1.6 years younger in Contra Costa Centre.
 Sunnyvale, CAContra Costa Centre, CAUnited States
 Population  Unlock6,743329,725,481
 Female Population47.8%  Unlock50.5%
 Male Population52.2%  Unlock49.5%
 Median Age  Unlock33.638.4
 space3
 Population - 2010140,786  Unlock309,327,143
 Population - 2000  Unlock4,969285,036,114
 Population - 1990117,229  Unlock251,960,433
 Pop. 2000 to Now  Unlock32.8%15.6%
 Pop. 1990 to Now29.4%  Unlock30.8%
 space4
 Population Density  Unlock10,585.693.4
 Land Area22.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Sunnyvale, CAContra Costa Centre, CAUnited States
 Age 0 to 47.0%  Unlock5.9%
 Age 5 to 9  Unlock2.6%6.1%
 Age 10 to 145.4%  Unlock6.6%
 Age 15 to 17  Unlock1.2%3.9%
 Age 18 to 201.7%  Unlock4.0%
 Age 21 to 24  Unlock9.6%5.2%
 Age 25 to 3423.1%  Unlock13.8%
 Age 35 to 44  Unlock15.4%12.9%
 Age 45 to 5411.9%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 644.8%  Unlock6.3%
 Age 65 to 74  Unlock4.3%9.6%
 Age 75 to 843.4%  Unlock4.5%
 Age 85 and over  Unlock0.4%1.9%
 space1
 Race
 Sunnyvale, CAContra Costa Centre, CAUnited States
 White28.9%  Unlock59.4%
 Black  Unlock7.3%12.2%
 Asian47.8%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races4.5%  Unlock3.2%
 Hispanic  Unlock10.0%18.4%
 space2
 Marriage & Family
 Sunnyvale, CAContra Costa Centre, CAUnited States
 Married Population57.1%  Unlock49.8%
     Currently Married  Unlock39.5%48.0%
 Married but Separated1.1%  Unlock1.8%
 Single Population  Unlock57.9%50.2%
 Never Married33.1%  Unlock33.8%
 Divorced  Unlock11.3%10.8%
 Widowed3.7%  Unlock5.6%
 space5
 Household Size  Unlock1.852.60
 Households57,565  Unlock124,010,992
 Family Households  Unlock1,44280,755,759
     Married couple, w/children41.3%  Unlock30.5%
     Married couple, no children  Unlock54.3%42.9%
 Non Family Households19,635  Unlock43,255,233
     Single householder, w/children  Unlock2.6%15.8%
     Single householder, no children9.4%  Unlock10.8%
Voting
Reviews for Sunnyvale    14 Reviews
Peter · Sunnyvale, CA
high tech jobs -vs- high cost housing
Over 7 years ago

At this point, I would only recommend moving to silicon valley for the job market. Sure, the weather is great and the restaurants offer huge variety. But the costs of  More

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Vefa · Sunnyvale, CA
Bad things happen to a once great city
Over 8 years ago

Like previous reviewer, tech company's tyranny over city gov and quality of living has negatively impacted a fantastic place to live. Climate, while super, is grossly  More

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Vefa · Sunnyvale, CA
Quality of life reduction
Over 8 years ago

I've lived here for 40 years. While the weather is fabulous, For the past ten years of high density housing mostly needed to house thousands of a young up coming tech  More

   |    Reply

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Reviews for Contra Costa Centre    0 Reviews

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