2025 Compare Cities People:
South San Francisco, CA vs San Jose, CA

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Highlights
- San Jose is 0% more densely populated than South San Francisco.
- People are 2.7% less likely to be married in San Jose.
- The Median Age is 4.6 years younger in San Jose.
 South San Francisco, CASan Jose, CAUnited States
 Population  Unlock1,013,337329,725,481
 Female Population49.8%  Unlock50.5%
 Male Population50.2%  Unlock49.5%
 Median Age  Unlock37.538.4
 space3
 Population - 201063,674  Unlock309,327,143
 Population - 2000  Unlock894,943285,036,114
 Population - 199054,312  Unlock251,960,433
 Pop. 2000 to Now  Unlock13.3%15.6%
 Pop. 1990 to Now22.6%  Unlock30.8%
 space4
 Population Density  Unlock5,721.793.4
 Land Area9.2  Unlock3,531,905.4
 Water Area  Unlock3.1264,836.8
 space
 Est. Total Population By Age
 South San Francisco, CASan Jose, CAUnited States
 Age 0 to 44.6%  Unlock5.9%
 Age 5 to 9  Unlock5.9%6.1%
 Age 10 to 144.9%  Unlock6.6%
 Age 15 to 17  Unlock3.8%3.9%
 Age 18 to 203.1%  Unlock4.0%
 Age 21 to 24  Unlock5.2%5.2%
 Age 25 to 3414.4%  Unlock13.8%
 Age 35 to 44  Unlock14.8%12.9%
 Age 45 to 5414.8%  Unlock12.6%
 Age 55 to 59  Unlock6.5%6.7%
 Age 60 to 647.2%  Unlock6.3%
 Age 65 to 74  Unlock7.8%9.6%
 Age 75 to 844.4%  Unlock4.5%
 Age 85 and over  Unlock1.6%1.9%
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 Race
 South San Francisco, CASan Jose, CAUnited States
 White21.5%  Unlock59.4%
 Black  Unlock2.8%12.2%
 Asian42.8%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.9%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races2.9%  Unlock3.2%
 Hispanic  Unlock31.0%18.4%
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 Marriage & Family
 South San Francisco, CASan Jose, CAUnited States
 Married Population53.3%  Unlock49.8%
     Currently Married  Unlock50.3%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock48.2%50.2%
 Never Married33.3%  Unlock33.8%
 Divorced  Unlock7.8%10.8%
 Widowed5.3%  Unlock5.6%
 space5
 Household Size  Unlock3.082.60
 Households21,895  Unlock124,010,992
 Family Households  Unlock234,54580,755,759
     Married couple, w/children31.7%  Unlock30.5%
     Married couple, no children  Unlock38.0%42.9%
 Non Family Households5,831  Unlock43,255,233
     Single householder, w/children  Unlock12.1%15.8%
     Single householder, no children15.6%  Unlock10.8%
Reviews for South San Francisco    5 Reviews

It's amazing, but many, many people, including people who live in SF, think that SSF is just a part of SF. Not true. We're right across the highway from SFO, which is  More

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Over 17 years ago

One frustrating thing about South City weather is the number of overcast & foggy days, as compared to other nearby cities on the Peninsula. You can literally look  More

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Over 19 years ago

Been living in bayview hunters point for about 12 years now. What I can say that it's a rough place to live, no one cares about us and the mayor of San Francisco  More

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Start Your Review of South San Francisco

Reviews for San Jose    90 Reviews

I've lived in west San Jose/Cambrian, between Los Gatos and Almaden SJ since 1997. This side of town somehow avoided the erosion of the American dream. Houses are  More

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I lived in San Jose for 40 years. That’s during the most exciting time when the Silicon Valley was booming with real technology and San Jose was ranked as the safest big  More

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Over 4 years ago

I've lived in San Jose, CA for 25 years. This city is being over run with crime and gangs. The cost of living is very high. Granted, you are so close to mountains,  More

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