2025 Compare Cities People:
San Mateo, CA vs Arcata, CA

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Highlights
- Arcata is 0% more densely populated than San Mateo.
- People are 58.3% less likely to be married in Arcata.
- The Median Age is 10.8 years younger in Arcata.
 San Mateo, CAArcata, CAUnited States
 Population  Unlock19,038329,725,481
 Female Population50.4%  Unlock50.5%
 Male Population49.6%  Unlock49.5%
 Median Age  Unlock26.938.4
 space3
 Population - 201097,256  Unlock309,327,143
 Population - 2000  Unlock16,651285,036,114
 Population - 199085,486  Unlock251,960,433
 Pop. 2000 to Now  Unlock8.4%15.6%
 Pop. 1990 to Now19.8%  Unlock30.8%
 space4
 Population Density  Unlock2,031.693.4
 Land Area12.2  Unlock3,531,905.4
 Water Area  Unlock2.1264,836.8
 space
 Est. Total Population By Age
 San Mateo, CAArcata, CAUnited States
 Age 0 to 46.7%  Unlock5.9%
 Age 5 to 9  Unlock2.0%6.1%
 Age 10 to 145.7%  Unlock6.6%
 Age 15 to 17  Unlock2.8%3.9%
 Age 18 to 202.6%  Unlock4.0%
 Age 21 to 24  Unlock16.5%5.2%
 Age 25 to 3417.5%  Unlock13.8%
 Age 35 to 44  Unlock12.3%12.9%
 Age 45 to 5412.7%  Unlock12.6%
 Age 55 to 59  Unlock3.9%6.7%
 Age 60 to 645.7%  Unlock6.3%
 Age 65 to 74  Unlock8.2%9.6%
 Age 75 to 844.8%  Unlock4.5%
 Age 85 and over  Unlock1.3%1.9%
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 Race
 San Mateo, CAArcata, CAUnited States
 White40.9%  Unlock59.4%
 Black  Unlock1.8%12.2%
 Asian25.2%  Unlock5.6%
 Native American  Unlock1.0%0.6%
 Hawaiian, Pacific Islander1.7%  Unlock0.2%
 Other  Unlock1.5%0.4%
 Two or More Races5.5%  Unlock3.2%
 Hispanic  Unlock14.4%18.4%
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 Marriage & Family
 San Mateo, CAArcata, CAUnited States
 Married Population52.6%  Unlock49.8%
     Currently Married  Unlock20.1%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock78.1%50.2%
 Never Married33.0%  Unlock33.8%
 Divorced  Unlock8.8%10.8%
 Widowed5.6%  Unlock5.6%
 space5
 Household Size  Unlock2.452.60
 Households40,233  Unlock124,010,992
 Family Households  Unlock2,69680,755,759
     Married couple, w/children35.1%  Unlock30.5%
     Married couple, no children  Unlock39.1%42.9%
 Non Family Households14,813  Unlock43,255,233
     Single householder, w/children  Unlock21.0%15.8%
     Single householder, no children11.3%  Unlock10.8%
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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Reviews for Arcata    17 Reviews

Pros: Nature hikes Cons: One of highest crime rates in the nation. Opioid epidemic going on (you’ll regularly witness drug deals and ppl doing drugs) No  More

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It takes a special set of preferences to select Arcata. Is this you? - You love clouds and fog. You are happy if you see the sun maybe 10-20 times a year. - Chilly  More

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Over 11 years ago

I've lived in Humboldt for over 30 yrs and know all the areas well. Arcata is the jewel of Humboldt due to having a university and many liberal creative people. There is  More

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