2025 Compare Cities People:
San Diego, CA vs Foster City, CA

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Highlights
- Foster City is 0% more densely populated than San Diego.
- People are 34.3% more likely to be married in Foster City.
- The Median Age is 4.2 years older in Foster City.
 San Diego, CAFoster City, CAUnited States
 Population  Unlock33,511329,725,481
 Female Population49.0%  Unlock50.5%
 Male Population51.0%  Unlock49.5%
 Median Age  Unlock39.638.4
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 Population - 20101,305,632  Unlock309,327,143
 Population - 2000  Unlock28,803285,036,114
 Population - 19901,110,549  Unlock251,960,433
 Pop. 2000 to Now  Unlock14.2%15.6%
 Pop. 1990 to Now28.1%  Unlock30.8%
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 Population Density  Unlock8,828.093.4
 Land Area325.6  Unlock3,531,905.4
 Water Area  Unlock16.0264,836.8
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 Est. Total Population By Age
 San Diego, CAFoster City, CAUnited States
 Age 0 to 45.6%  Unlock5.9%
 Age 5 to 9  Unlock7.2%6.1%
 Age 10 to 145.5%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 204.4%  Unlock4.0%
 Age 21 to 24  Unlock2.7%5.2%
 Age 25 to 3419.0%  Unlock13.8%
 Age 35 to 44  Unlock16.9%12.9%
 Age 45 to 5412.2%  Unlock12.6%
 Age 55 to 59  Unlock5.8%6.7%
 Age 60 to 645.2%  Unlock6.3%
 Age 65 to 74  Unlock8.5%9.6%
 Age 75 to 843.7%  Unlock4.5%
 Age 85 and over  Unlock2.5%1.9%
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 Race
 San Diego, CAFoster City, CAUnited States
 White42.0%  Unlock59.4%
 Black  Unlock2.4%12.2%
 Asian16.9%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.4%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races4.3%  Unlock3.2%
 Hispanic  Unlock8.6%18.4%
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 Marriage & Family
 San Diego, CAFoster City, CAUnited States
 Married Population46.4%  Unlock49.8%
     Currently Married  Unlock61.1%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock37.6%50.2%
 Never Married40.1%  Unlock33.8%
 Divorced  Unlock6.2%10.8%
 Widowed4.0%  Unlock5.6%
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 Household Size  Unlock2.672.60
 Households509,347  Unlock124,010,992
 Family Households  Unlock8,85780,755,759
     Married couple, w/children33.2%  Unlock30.5%
     Married couple, no children  Unlock40.5%42.9%
 Non Family Households204,848  Unlock43,255,233
     Single householder, w/children  Unlock7.8%15.8%
     Single householder, no children11.6%  Unlock10.8%
Reviews for San Diego    319 Reviews

I have lived in San Diego for more than half my life (I am 30) and love it. It has something for everyone and more from arts, to sporting events, and all cuisine is  More

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The only real knock again San Diego is the cost of living, but it is paradise compared to most cities of similar size. Those who complain about the traffic here or say  More

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I have lived in San Diego since 1968 and I am now almost 62 years old. I love San Diego, I really do. But it has become so crowded and so expensive over the years. It  More

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Reviews for Foster City    4 Reviews

Over 17 years ago

Built on lagoons, great climate, good schools, lots of soccer and other sports for kids, plenty of parking and  More

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Over 18 years ago

A great city to raise a family, safe, great weather around the year, good schools and plenty of recreation. But only if you can afford the hight cost of  More

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Landlords are able to command and receive high rent due to the following attributes: safety, weather and cleanliness of Foster City. The lagoon, waterways and gardens  More

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