2025 Compare Cities People:
Rio Vista, CA vs Sunnyvale, CA

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Highlights
- Sunnyvale is 0% more densely populated than Rio Vista.
- People are 5.2% more likely to be married in Sunnyvale.
- The Median Age is 28.8 years younger in Sunnyvale.
 Rio Vista, CASunnyvale, CAUnited States
 Population  Unlock155,550329,725,481
 Female Population55.6%  Unlock50.5%
 Male Population44.4%  Unlock49.5%
 Median Age  Unlock35.238.4
 space3
 Population - 20107,374  Unlock309,327,143
 Population - 2000  Unlock131,760285,036,114
 Population - 19903,316  Unlock251,960,433
 Pop. 2000 to Now  Unlock15.2%15.6%
 Pop. 1990 to Now200.9%  Unlock30.8%
 space4
 Population Density  Unlock7,073.093.4
 Land Area6.6  Unlock3,531,905.4
 Water Area  Unlock0.7264,836.8
 space
 Est. Total Population By Age
 Rio Vista, CASunnyvale, CAUnited States
 Age 0 to 41.9%  Unlock5.9%
 Age 5 to 9  Unlock5.9%6.1%
 Age 10 to 141.8%  Unlock6.6%
 Age 15 to 17  Unlock2.7%3.9%
 Age 18 to 200.0%  Unlock4.0%
 Age 21 to 24  Unlock4.1%5.2%
 Age 25 to 3411.8%  Unlock13.8%
 Age 35 to 44  Unlock15.9%12.9%
 Age 45 to 547.7%  Unlock12.6%
 Age 55 to 59  Unlock5.9%6.7%
 Age 60 to 6416.2%  Unlock6.3%
 Age 65 to 74  Unlock6.5%9.6%
 Age 75 to 8417.2%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
 space1
 Race
 Rio Vista, CASunnyvale, CAUnited States
 White64.0%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian4.5%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.3%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races1.4%  Unlock3.2%
 Hispanic  Unlock16.8%18.4%
 space2
 Marriage & Family
 Rio Vista, CASunnyvale, CAUnited States
 Married Population54.3%  Unlock49.8%
     Currently Married  Unlock56.0%48.0%
 Married but Separated2.9%  Unlock1.8%
 Single Population  Unlock42.9%50.2%
 Never Married19.0%  Unlock33.8%
 Divorced  Unlock6.1%10.8%
 Widowed9.9%  Unlock5.6%
 space5
 Household Size  Unlock2.692.60
 Households5,025  Unlock124,010,992
 Family Households  Unlock37,93080,755,759
     Married couple, w/children6.9%  Unlock30.5%
     Married couple, no children  Unlock41.3%42.9%
 Non Family Households2,147  Unlock43,255,233
     Single householder, w/children  Unlock8.0%15.8%
     Single householder, no children17.1%  Unlock10.8%
Reviews for Rio Vista    2 Reviews

Known as “the Gateway to the Delta”, Rio Vista is located in the heart of the California Delta on the Sacramento River. The views along the wide river bring to mind the  More

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There is plenty to be had in Rio Vista, particularly if you like dead animal heads on a bar wall (Fosters Big Horn) and a state of the art fish cleaning station located  More

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Reviews for Sunnyvale    14 Reviews

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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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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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

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