2026 Compare Cities People:
Foster City, CA vs Jacksonville, FL

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Highlights
- Jacksonville is 0% more densely populated than Foster City.
- People are 28.6% less likely to be married in Jacksonville.
- The Median Age is 3.4 years younger in Jacksonville.
 Foster City, CAJacksonville, FLUnited States
 Population  Unlock937,690329,725,481
 Female Population50.8%  Unlock50.5%
 Male Population49.3%  Unlock49.5%
 Median Age  Unlock36.238.4
 space3
 Population - 201030,597  Unlock309,327,143
 Population - 2000  Unlock735,617285,036,114
 Population - 199028,176  Unlock251,960,433
 Pop. 2000 to Now  Unlock25.1%15.6%
 Pop. 1990 to Now16.7%  Unlock30.8%
 space4
 Population Density  Unlock1,254.093.4
 Land Area3.8  Unlock3,531,905.4
 Water Area  Unlock126.9264,836.8
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 Est. Total Population By Age
 Foster City, CAJacksonville, FLUnited States
 Age 0 to 45.6%  Unlock5.9%
 Age 5 to 9  Unlock6.3%6.1%
 Age 10 to 145.9%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 201.8%  Unlock4.0%
 Age 21 to 24  Unlock5.2%5.2%
 Age 25 to 3415.4%  Unlock13.8%
 Age 35 to 44  Unlock13.0%12.9%
 Age 45 to 5412.7%  Unlock12.6%
 Age 55 to 59  Unlock6.8%6.7%
 Age 60 to 645.2%  Unlock6.3%
 Age 65 to 74  Unlock8.7%9.6%
 Age 75 to 846.0%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
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 Race
 Foster City, CAJacksonville, FLUnited States
 White31.0%  Unlock59.4%
 Black  Unlock30.3%12.2%
 Asian51.8%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races5.6%  Unlock3.2%
 Hispanic  Unlock10.9%18.4%
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 Marriage & Family
 Foster City, CAJacksonville, FLUnited States
 Married Population62.4%  Unlock49.8%
     Currently Married  Unlock42.4%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock55.5%50.2%
 Never Married25.6%  Unlock33.8%
 Divorced  Unlock14.0%10.8%
 Widowed5.8%  Unlock5.6%
 space5
 Household Size  Unlock2.502.60
 Households12,475  Unlock124,010,992
 Family Households  Unlock222,30880,755,759
     Married couple, w/children44.2%  Unlock30.5%
     Married couple, no children  Unlock39.2%42.9%
 Non Family Households3,618  Unlock43,255,233
     Single householder, w/children  Unlock20.5%15.8%
     Single householder, no children7.6%  Unlock10.8%
Reviews for Foster City    4 Reviews

Over 18 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 19 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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Reviews for Jacksonville    174 Reviews

I moved from a small town in Ohio around four years ago, I was 24 years old. Now, at 28, my outlook about living here has changed. I have came to the conclusion, that,  More

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I’ve lived in Jacksonville for 12+ years(but visited on and off much longer). There’s things I love and things I hate and just like any place there are pros and cons.  More

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We have been investigating Jax for a while. It looks like the Southside, Baymeadows and the further East you get is great. Any thoughts on moving to those areas, pretty  More

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