2025 Compare Cities People:
Issaquah, WA vs San Mateo, CA

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Highlights
- San Mateo is 0% more densely populated than Issaquah.
- People are 7.9% less likely to be married in San Mateo.
- The Median Age is 0.9 years older in San Mateo.
 Issaquah, WASan Mateo, CAUnited States
 Population  Unlock105,087329,725,481
 Female Population51.4%  Unlock50.5%
 Male Population48.6%  Unlock49.5%
 Median Age  Unlock37.738.4
 space3
 Population - 201030,552  Unlock309,327,143
 Population - 2000  Unlock92,482285,036,114
 Population - 19907,786  Unlock251,960,433
 Pop. 2000 to Now  Unlock10.7%15.6%
 Pop. 1990 to Now409.7%  Unlock30.8%
 space4
 Population Density  Unlock8,632.893.4
 Land Area12.1  Unlock3,531,905.4
 Water Area  Unlock3.7264,836.8
 space
 Est. Total Population By Age
 Issaquah, WASan Mateo, CAUnited States
 Age 0 to 45.7%  Unlock5.9%
 Age 5 to 9  Unlock5.6%6.1%
 Age 10 to 146.8%  Unlock6.6%
 Age 15 to 17  Unlock2.7%3.9%
 Age 18 to 202.4%  Unlock4.0%
 Age 21 to 24  Unlock4.1%5.2%
 Age 25 to 3419.3%  Unlock13.8%
 Age 35 to 44  Unlock15.4%12.9%
 Age 45 to 5414.6%  Unlock12.6%
 Age 55 to 59  Unlock5.8%6.7%
 Age 60 to 644.5%  Unlock6.3%
 Age 65 to 74  Unlock8.0%9.6%
 Age 75 to 844.1%  Unlock4.5%
 Age 85 and over  Unlock2.8%1.9%
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 Race
 Issaquah, WASan Mateo, CAUnited States
 White60.1%  Unlock59.4%
 Black  Unlock1.9%12.2%
 Asian25.4%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races4.7%  Unlock3.2%
 Hispanic  Unlock24.1%18.4%
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 Marriage & Family
 Issaquah, WASan Mateo, CAUnited States
 Married Population57.1%  Unlock49.8%
     Currently Married  Unlock51.3%48.0%
 Married but Separated0.5%  Unlock1.8%
 Single Population  Unlock47.4%50.2%
 Never Married28.7%  Unlock33.8%
 Divorced  Unlock8.9%10.8%
 Widowed4.2%  Unlock5.6%
 space5
 Household Size  Unlock2.582.60
 Households16,361  Unlock124,010,992
 Family Households  Unlock25,42080,755,759
     Married couple, w/children40.5%  Unlock30.5%
     Married couple, no children  Unlock43.3%42.9%
 Non Family Households6,038  Unlock43,255,233
     Single householder, w/children  Unlock10.4%15.8%
     Single householder, no children8.7%  Unlock10.8%
Reviews for Issaquah    11 Reviews

Great place if you enjoy living in a city of cloned homes, cars, and humans with no souls. You know the ones. Why show off your new Mercedes, Land Rover or Porsche when  More

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I lived in Issaquah for close to 30 years. I have seen a lot of changes in the city - some good and some not so good. I was very sad to leave and even sorrier to have  More

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Over 6 years ago

Issaquah WAS a 5-star place to live, play, work, own a home, and raise a family. That was up until the late '70s and early 80s. Issaquah was a country utopia for over a  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 15 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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