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2025 Compare Cities People:
San Francisco, CA vs Sunnyvale, CA

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Highlights
- Sunnyvale is 0% more densely populated than San Francisco.
- People are 37.5% more likely to be married in Sunnyvale.
- The Median Age is 3.5 years younger in Sunnyvale.
 San Francisco, CASunnyvale, CAUnited States
 Population  Unlock155,550329,725,481
 Female Population48.8%  Unlock50.5%
 Male Population51.2%  Unlock49.5%
 Median Age  Unlock35.238.4
 space3
 Population - 2010805,519  Unlock309,327,143
 Population - 2000  Unlock131,760285,036,114
 Population - 1990723,959  Unlock251,960,433
 Pop. 2000 to Now  Unlock15.2%15.6%
 Pop. 1990 to Now19.7%  Unlock30.8%
 space4
 Population Density  Unlock7,073.093.4
 Land Area46.9  Unlock3,531,905.4
 Water Area  Unlock0.7264,836.8
 space
 Est. Total Population By Age
 San Francisco, CASunnyvale, CAUnited States
 Age 0 to 44.4%  Unlock5.9%
 Age 5 to 9  Unlock5.9%6.1%
 Age 10 to 143.7%  Unlock6.6%
 Age 15 to 17  Unlock2.7%3.9%
 Age 18 to 202.3%  Unlock4.0%
 Age 21 to 24  Unlock4.1%5.2%
 Age 25 to 3422.6%  Unlock13.8%
 Age 35 to 44  Unlock15.9%12.9%
 Age 45 to 5413.2%  Unlock12.6%
 Age 55 to 59  Unlock5.9%6.7%
 Age 60 to 645.7%  Unlock6.3%
 Age 65 to 74  Unlock6.5%9.6%
 Age 75 to 844.3%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
 space1
 Race
 San Francisco, CASunnyvale, CAUnited States
 White39.2%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian34.1%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.3%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races5.3%  Unlock3.2%
 Hispanic  Unlock16.8%18.4%
 space2
 Marriage & Family
 San Francisco, CASunnyvale, CAUnited States
 Married Population41.5%  Unlock49.8%
     Currently Married  Unlock56.0%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock42.9%50.2%
 Never Married46.0%  Unlock33.8%
 Divorced  Unlock6.1%10.8%
 Widowed4.5%  Unlock5.6%
 space5
 Household Size  Unlock2.692.60
 Households361,222  Unlock124,010,992
 Family Households  Unlock37,93080,755,759
     Married couple, w/children28.8%  Unlock30.5%
     Married couple, no children  Unlock41.3%42.9%
 Non Family Households190,757  Unlock43,255,233
     Single householder, w/children  Unlock8.0%15.8%
     Single householder, no children14.2%  Unlock10.8%
Voting
Reviews for San Francisco    149 Reviews
Mark · San Diego, CA
believe the bad things you hear about this place
Over 4 years ago

from a single guy's perspective. let's start this review from 2017. I moved here to be near to my sister who also relocated, and also to attend Cal State East Bay in  More

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Ross · San Francisco, CA
A Balanced Review After 10 Years
Over 4 years ago

I've lived in San Francisco for ten years. I thought I would write a balanced review for people looking to move here. My family is from places like Boise, Atlanta,  More

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Ross · San Francisco, CA
Balanced Review from 10 Year Resident
Over 4 years ago

I've lived in San Francisco for ten years. I thought I would write a balanced review for people looking to move here. My family is from places like Boise, Atlanta,  More

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Reviews for Sunnyvale    14 Reviews
Peter · Sunnyvale, CA
high tech jobs -vs- high cost housing
Over 6 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 7 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 7 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

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Learn More About San Francisco, California
Overview
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Learn More About Sunnyvale, California
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