2025 Compare Cities People:
South San Francisco, CA vs San Antonio, TX

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Highlights
- San Antonio is 0% more densely populated than South San Francisco.
- People are 16.4% less likely to be married in San Antonio.
- The Median Age is 8.2 years younger in San Antonio.
 South San Francisco, CASan Antonio, TXUnited States
 Population  Unlock1,434,540329,725,481
 Female Population49.8%  Unlock50.5%
 Male Population50.2%  Unlock49.5%
 Median Age  Unlock33.938.4
 space3
 Population - 201063,674  Unlock309,327,143
 Population - 2000  Unlock1,144,646285,036,114
 Population - 199054,312  Unlock251,960,433
 Pop. 2000 to Now  Unlock36.9%15.6%
 Pop. 1990 to Now22.6%  Unlock30.8%
 space4
 Population Density  Unlock2,960.293.4
 Land Area9.2  Unlock3,531,905.4
 Water Area  Unlock5.7264,836.8
 space
 Est. Total Population By Age
 South San Francisco, CASan Antonio, TXUnited States
 Age 0 to 44.6%  Unlock5.9%
 Age 5 to 9  Unlock6.8%6.1%
 Age 10 to 144.9%  Unlock6.6%
 Age 15 to 17  Unlock4.2%3.9%
 Age 18 to 203.1%  Unlock4.0%
 Age 21 to 24  Unlock6.2%5.2%
 Age 25 to 3414.4%  Unlock13.8%
 Age 35 to 44  Unlock13.5%12.9%
 Age 45 to 5414.8%  Unlock12.6%
 Age 55 to 59  Unlock5.8%6.7%
 Age 60 to 647.2%  Unlock6.3%
 Age 65 to 74  Unlock7.5%9.6%
 Age 75 to 844.4%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
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 Race
 South San Francisco, CASan Antonio, TXUnited States
 White21.5%  Unlock59.4%
 Black  Unlock6.0%12.2%
 Asian42.8%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.9%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races2.9%  Unlock3.2%
 Hispanic  Unlock65.7%18.4%
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 Marriage & Family
 South San Francisco, CASan Antonio, TXUnited States
 Married Population53.3%  Unlock49.8%
     Currently Married  Unlock41.7%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock55.5%50.2%
 Never Married33.3%  Unlock33.8%
 Divorced  Unlock12.0%10.8%
 Widowed5.3%  Unlock5.6%
 space5
 Household Size  Unlock2.642.60
 Households21,895  Unlock124,010,992
 Family Households  Unlock333,91380,755,759
     Married couple, w/children31.7%  Unlock30.5%
     Married couple, no children  Unlock33.7%42.9%
 Non Family Households5,831  Unlock43,255,233
     Single householder, w/children  Unlock22.1%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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Reviews for San Antonio    239 Reviews

I've lived here 13 years now and hoping to move!! Not the most exiting place to live if you enjoy being outdoors for activities like biking, hiking or even walking or  More

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I lived in San Antonio for about 7 months or so, and for a reason! Like anywhere I think SA has its pros and cons, but ultimately being in my early 20s and single I  More

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Over 3 years ago

Overall, San Antonio is a nice place to live. The weather is generally pleasant but from mid June to about mid September, it does get scorching hot. I remember one  More

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