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2025 Compare Cities People:
Clayton, CA vs Petaluma, CA

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Highlights
- Petaluma is 0% more densely populated than Clayton.
- People are 6.3% less likely to be married in Petaluma.
- The Median Age is 1.3 years younger in Petaluma.
 Clayton, CAPetaluma, CAUnited States
 Population  Unlock60,050329,725,481
 Female Population51.4%  Unlock50.5%
 Male Population48.6%  Unlock49.5%
 Median Age  Unlock42.838.4
 space3
 Population - 201010,941  Unlock309,327,143
 Population - 2000  Unlock54,548285,036,114
 Population - 19907,317  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.2%15.6%
 Pop. 1990 to Now57.5%  Unlock30.8%
 space4
 Population Density  Unlock4,175.493.4
 Land Area3.8  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Clayton, CAPetaluma, CAUnited States
 Age 0 to 43.8%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 149.0%  Unlock6.6%
 Age 15 to 17  Unlock4.0%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock3.0%5.2%
 Age 25 to 346.8%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 5413.2%  Unlock12.6%
 Age 55 to 59  Unlock7.4%6.7%
 Age 60 to 647.8%  Unlock6.3%
 Age 65 to 74  Unlock11.1%9.6%
 Age 75 to 846.4%  Unlock4.5%
 Age 85 and over  Unlock2.6%1.9%
 space1
 Race
 Clayton, CAPetaluma, CAUnited States
 White69.0%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian11.4%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races7.3%  Unlock3.2%
 Hispanic  Unlock21.6%18.4%
 space2
 Marriage & Family
 Clayton, CAPetaluma, CAUnited States
 Married Population56.9%  Unlock49.8%
     Currently Married  Unlock51.8%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock46.6%50.2%
 Never Married27.3%  Unlock33.8%
 Divorced  Unlock11.6%10.8%
 Widowed6.9%  Unlock5.6%
 space5
 Household Size  Unlock2.612.60
 Households3,986  Unlock124,010,992
 Family Households  Unlock15,05980,755,759
     Married couple, w/children35.1%  Unlock30.5%
     Married couple, no children  Unlock45.5%42.9%
 Non Family Households895  Unlock43,255,233
     Single householder, w/children  Unlock11.6%15.8%
     Single householder, no children9.4%  Unlock10.8%
Voting
Reviews for Clayton    1 Reviews
Kendra · Cleveland, OH
Clayton is Great
Over 18 years ago

But has become increasingly expensive over the years....Great 4th of July Parade  More

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Reviews for Petaluma    16 Reviews
Chris · Petaluma, CA
Old hippies are in charge
Over 4 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 4 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 4 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 Clayton, California
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