2025 Compare Cities People:
Sunnyvale, CA vs Petaluma, CA

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Highlights
- Petaluma is 0% more densely populated than Sunnyvale.
- People are 6.4% less likely to be married in Petaluma.
- The Median Age is 7.6 years older in Petaluma.
 Sunnyvale, CAPetaluma, CAUnited States
 Population  Unlock60,050329,725,481
 Female Population47.8%  Unlock50.5%
 Male Population52.2%  Unlock49.5%
 Median Age  Unlock42.838.4
 space3
 Population - 2010140,786  Unlock309,327,143
 Population - 2000  Unlock54,548285,036,114
 Population - 1990117,229  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.2%15.6%
 Pop. 1990 to Now29.4%  Unlock30.8%
 space4
 Population Density  Unlock4,175.493.4
 Land Area22.0  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Sunnyvale, CAPetaluma, CAUnited States
 Age 0 to 47.0%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 145.4%  Unlock6.6%
 Age 15 to 17  Unlock4.0%3.9%
 Age 18 to 201.7%  Unlock4.0%
 Age 21 to 24  Unlock3.0%5.2%
 Age 25 to 3423.1%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 5411.9%  Unlock12.6%
 Age 55 to 59  Unlock7.4%6.7%
 Age 60 to 644.8%  Unlock6.3%
 Age 65 to 74  Unlock11.1%9.6%
 Age 75 to 843.4%  Unlock4.5%
 Age 85 and over  Unlock2.6%1.9%
 space1
 Race
 Sunnyvale, CAPetaluma, CAUnited States
 White28.9%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian47.8%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races4.5%  Unlock3.2%
 Hispanic  Unlock21.6%18.4%
 space2
 Marriage & Family
 Sunnyvale, CAPetaluma, CAUnited States
 Married Population57.1%  Unlock49.8%
     Currently Married  Unlock51.8%48.0%
 Married but Separated1.1%  Unlock1.8%
 Single Population  Unlock46.6%50.2%
 Never Married33.1%  Unlock33.8%
 Divorced  Unlock11.6%10.8%
 Widowed3.7%  Unlock5.6%
 space5
 Household Size  Unlock2.612.60
 Households57,565  Unlock124,010,992
 Family Households  Unlock15,05980,755,759
     Married couple, w/children41.3%  Unlock30.5%
     Married couple, no children  Unlock45.5%42.9%
 Non Family Households19,635  Unlock43,255,233
     Single householder, w/children  Unlock11.6%15.8%
     Single householder, no children9.4%  Unlock10.8%
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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Reviews for Petaluma    16 Reviews

I agree with the low star reviews. Been here for 25 years, raised a family and seen everything turn to the left and worse. Weather is glorious, love the old Victorians  More

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We’ve lived here for 3 years and we love it. It has taken some time to grow on us. We moved from SF where we had lived over 15 years, we were not used to one year leases  More

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I’ve lived here a couple of years (after living in others parts of the Bay Area for 15+ years) and I love it! Great neighborhoods, friendly folks, good schools with  More

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