2026 Compare Cities People:
Oak Park, CA vs San Mateo, CA

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Highlights
- San Mateo is 0% more densely populated than Oak Park.
- People are 11.6% less likely to be married in San Mateo.
- The Median Age is 5.2 years younger in San Mateo.
 Oak Park, CASan Mateo, CAUnited States
 Population  Unlock105,087329,725,481
 Female Population52.0%  Unlock50.5%
 Male Population48.0%  Unlock49.5%
 Median Age  Unlock37.738.4
 space3
 Population - 201014,044  Unlock309,327,143
 Population - 2000  Unlock92,482285,036,114
 Population - 19902,412  Unlock251,960,433
 Pop. 2000 to Now  Unlock10.7%15.6%
 Pop. 1990 to Now495.7%  Unlock30.8%
 space4
 Population Density  Unlock8,632.893.4
 Land Area5.3  Unlock3,531,905.4
 Water Area  Unlock3.7264,836.8
 space
 Est. Total Population By Age
 Oak Park, CASan Mateo, CAUnited States
 Age 0 to 46.2%  Unlock5.9%
 Age 5 to 9  Unlock5.6%6.1%
 Age 10 to 148.4%  Unlock6.6%
 Age 15 to 17  Unlock2.7%3.9%
 Age 18 to 203.2%  Unlock4.0%
 Age 21 to 24  Unlock4.1%5.2%
 Age 25 to 346.6%  Unlock13.8%
 Age 35 to 44  Unlock15.4%12.9%
 Age 45 to 5415.6%  Unlock12.6%
 Age 55 to 59  Unlock5.8%6.7%
 Age 60 to 646.2%  Unlock6.3%
 Age 65 to 74  Unlock8.0%9.6%
 Age 75 to 842.6%  Unlock4.5%
 Age 85 and over  Unlock2.8%1.9%
 space1
 Race
 Oak Park, CASan Mateo, CAUnited States
 White69.1%  Unlock59.4%
 Black  Unlock1.9%12.2%
 Asian17.7%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races3.2%  Unlock3.2%
 Hispanic  Unlock24.1%18.4%
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 Marriage & Family
 Oak Park, CASan Mateo, CAUnited States
 Married Population59.5%  Unlock49.8%
     Currently Married  Unlock51.3%48.0%
 Married but Separated0.6%  Unlock1.8%
 Single Population  Unlock47.4%50.2%
 Never Married25.6%  Unlock33.8%
 Divorced  Unlock8.9%10.8%
 Widowed5.1%  Unlock5.6%
 space5
 Household Size  Unlock2.582.60
 Households5,018  Unlock124,010,992
 Family Households  Unlock25,42080,755,759
     Married couple, w/children45.8%  Unlock30.5%
     Married couple, no children  Unlock43.3%42.9%
 Non Family Households1,540  Unlock43,255,233
     Single householder, w/children  Unlock10.4%15.8%
     Single householder, no children5.7%  Unlock10.8%
Reviews for Oak Park    4 Reviews

Over 16 years ago

We have lived in Oak Park for approximately 17 years. The schools are great, the community is great, we like it here. However, the cost of living in CA is high, as are  More

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Over 18 years ago

The crime rate reported for this area cannot be correct. It is as safe as neighboring Agoura Hills, Thousand Oaks, and Westlake  More

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Over 19 years ago

Oak Park, CA, offers a great quality of life for the LA area. It's close to Malibu and Ventura beaches, convenient to activities in and around LA, has one of the best  More

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Reviews for San Mateo    12 Reviews

I have lived in San Mateo since 2013. It has seen tremendous growth, lots of new restaurants which have become progressively more high-end though there is ample  More

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I'm a native of California. I have lived in the southern part of the state and the northern part of the state for most of my life. I have spent the last 29 years in  More

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Over 16 years ago

San Mateo has a diverse mix of people, a pleasant climate, a very pleasant downtown park with lots going on, and pretty much whatever you need handy. It's not far to  More

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