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2026 Compare Cities People:
Aptos, CA vs Petaluma, CA

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Highlights
- Petaluma is 0% more densely populated than Aptos.
- People are 8.3% more likely to be married in Petaluma.
- The Median Age is 10.7 years younger in Petaluma.
 Aptos, CAPetaluma, CAUnited States
 Population  Unlock60,050329,725,481
 Female Population56.9%  Unlock50.5%
 Male Population43.1%  Unlock49.5%
 Median Age  Unlock42.838.4
 space3
 Population - 20106,255  Unlock309,327,143
 Population - 2000  Unlock54,548285,036,114
 Population - 19909,061  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.2%15.6%
 Pop. 1990 to Now-37.1%  Unlock30.8%
 space4
 Population Density  Unlock4,175.493.4
 Land Area6.6  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Aptos, CAPetaluma, CAUnited States
 Age 0 to 42.0%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 142.7%  Unlock6.6%
 Age 15 to 17  Unlock4.0%3.9%
 Age 18 to 208.7%  Unlock4.0%
 Age 21 to 24  Unlock3.0%5.2%
 Age 25 to 3412.9%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 5411.3%  Unlock12.6%
 Age 55 to 59  Unlock7.4%6.7%
 Age 60 to 6413.3%  Unlock6.3%
 Age 65 to 74  Unlock11.1%9.6%
 Age 75 to 847.1%  Unlock4.5%
 Age 85 and over  Unlock2.6%1.9%
 space1
 Race
 Aptos, CAPetaluma, CAUnited States
 White78.9%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian3.4%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races3.6%  Unlock3.2%
 Hispanic  Unlock21.6%18.4%
 space2
 Marriage & Family
 Aptos, CAPetaluma, CAUnited States
 Married Population49.3%  Unlock49.8%
     Currently Married  Unlock51.8%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock46.6%50.2%
 Never Married33.4%  Unlock33.8%
 Divorced  Unlock11.6%10.8%
 Widowed7.5%  Unlock5.6%
 space5
 Household Size  Unlock2.612.60
 Households2,621  Unlock124,010,992
 Family Households  Unlock15,05980,755,759
     Married couple, w/children15.7%  Unlock30.5%
     Married couple, no children  Unlock45.5%42.9%
 Non Family Households783  Unlock43,255,233
     Single householder, w/children  Unlock11.6%15.8%
     Single householder, no children23.4%  Unlock10.8%
Voting
Reviews for Aptos    4 Reviews
Craig · Ogden, UT
Best place to live
Over 10 years ago

I have owned a home in Aptos for 10 years and cannot thing of anywhere else I would rather live. I have lived in San Diego, Orange County, Half Moon Bay, and other  More

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Marthann · Ogden, UT
Heaven on Earth
Over 11 years ago

Well, Aptos is in Santa Cruz County, California. I love the entire county of Santa Cruz. The weather is fantastic. We have both the beautiful Monterey Bay with lots  More

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Suzy · Santa Cruz, CA
Beautiful Place To Live
Over 15 years ago

We've lived in Aptos/Rio Del Mar for many years and it's a very lovely, peaceful village far from the rat race . The views of the ocean are stunning and the shopping in  More

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Reviews for Petaluma    16 Reviews
Chris · Petaluma, CA
Old hippies are in charge
Over 5 years ago

I agree with the low star reviews. Been here for 25 years, raised a family and seen everything turn to the left and worse. Weather is glorious, love the old Victorians  More

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O · Petaluma, CA
A great place to call home, if you can afford it
Over 5 years ago

We’ve lived here for 3 years and we love it. It has taken some time to grow on us. We moved from SF where we had lived over 15 years, we were not used to one year leases  More

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Ima · Petaluma, CA
California living at its finest!
Over 5 years ago

I’ve lived here a couple of years (after living in others parts of the Bay Area for 15+ years) and I love it! Great neighborhoods, friendly folks, good schools with  More

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Learn More About Aptos, California
Overview
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Learn More About Petaluma, California
Overview
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