2025 Compare Cities People:
Foster City, CA vs Irvine, CA

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Highlights
- Irvine is 0% more densely populated than Foster City.
- People are 17.6% less likely to be married in Irvine.
- The Median Age is 5.8 years younger in Irvine.
 Foster City, CAIrvine, CAUnited States
 Population  Unlock297,868329,725,481
 Female Population50.8%  Unlock50.5%
 Male Population49.3%  Unlock49.5%
 Median Age  Unlock33.838.4
 space3
 Population - 201030,597  Unlock309,327,143
 Population - 2000  Unlock143,072285,036,114
 Population - 199028,176  Unlock251,960,433
 Pop. 2000 to Now  Unlock98.3%15.6%
 Pop. 1990 to Now16.7%  Unlock30.8%
 space4
 Population Density  Unlock4,541.993.4
 Land Area3.8  Unlock3,531,905.4
 Water Area  Unlock0.3264,836.8
 space
 Est. Total Population By Age
 Foster City, CAIrvine, CAUnited States
 Age 0 to 45.6%  Unlock5.9%
 Age 5 to 9  Unlock5.7%6.1%
 Age 10 to 145.9%  Unlock6.6%
 Age 15 to 17  Unlock3.8%3.9%
 Age 18 to 201.8%  Unlock4.0%
 Age 21 to 24  Unlock6.2%5.2%
 Age 25 to 3415.4%  Unlock13.8%
 Age 35 to 44  Unlock14.5%12.9%
 Age 45 to 5412.7%  Unlock12.6%
 Age 55 to 59  Unlock5.5%6.7%
 Age 60 to 645.2%  Unlock6.3%
 Age 65 to 74  Unlock6.1%9.6%
 Age 75 to 846.0%  Unlock4.5%
 Age 85 and over  Unlock1.2%1.9%
 space1
 Race
 Foster City, CAIrvine, CAUnited States
 White31.0%  Unlock59.4%
 Black  Unlock1.7%12.2%
 Asian51.8%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races5.6%  Unlock3.2%
 Hispanic  Unlock11.9%18.4%
 space2
 Marriage & Family
 Foster City, CAIrvine, CAUnited States
 Married Population62.4%  Unlock49.8%
     Currently Married  Unlock50.3%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock48.6%50.2%
 Never Married25.6%  Unlock33.8%
 Divorced  Unlock7.5%10.8%
 Widowed5.8%  Unlock5.6%
 space5
 Household Size  Unlock2.702.60
 Households12,475  Unlock124,010,992
 Family Households  Unlock69,18180,755,759
     Married couple, w/children44.2%  Unlock30.5%
     Married couple, no children  Unlock37.7%42.9%
 Non Family Households3,618  Unlock43,255,233
     Single householder, w/children  Unlock9.8%15.8%
     Single householder, no children7.6%  Unlock10.8%
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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Reviews for Irvine    42 Reviews

We've lived in Irvine since '87. We have raised two children within the ISUD. Both are grown up. Sure, there have been many changes since then.. the City has  More

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I've lived in Irvine for 2 years and in Orange County for 10 so I'm pretty familiar with the area by now and all it has to offer. Perhaps my review of this place has  More

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I wouldn't live elsewhere. I originally moved to Irvine in 2002 from the Midwest, not knowing what it even was. I left and moved around a great deal locally in OC,  More

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