2026 Compare Cities People:
Pleasant Hill, CA vs Petaluma, CA

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Highlights
- Petaluma is 0% more densely populated than Pleasant Hill.
- People are 1.9% more likely to be married in Petaluma.
- The Median Age is 1.2 years older in Petaluma.
 Pleasant Hill, CAPetaluma, CAUnited States
 Population  Unlock60,050329,725,481
 Female Population51.5%  Unlock50.5%
 Male Population48.5%  Unlock49.5%
 Median Age  Unlock42.838.4
 space3
 Population - 201033,145  Unlock309,327,143
 Population - 2000  Unlock54,548285,036,114
 Population - 199031,585  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.2%15.6%
 Pop. 1990 to Now10.1%  Unlock30.8%
 space4
 Population Density  Unlock4,175.493.4
 Land Area7.1  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Pleasant Hill, CAPetaluma, CAUnited States
 Age 0 to 45.6%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 145.6%  Unlock6.6%
 Age 15 to 17  Unlock4.0%3.9%
 Age 18 to 203.0%  Unlock4.0%
 Age 21 to 24  Unlock3.0%5.2%
 Age 25 to 3412.6%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 5413.9%  Unlock12.6%
 Age 55 to 59  Unlock7.4%6.7%
 Age 60 to 645.9%  Unlock6.3%
 Age 65 to 74  Unlock11.1%9.6%
 Age 75 to 844.6%  Unlock4.5%
 Age 85 and over  Unlock2.6%1.9%
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 Race
 Pleasant Hill, CAPetaluma, CAUnited States
 White60.5%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian14.3%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.4%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races5.3%  Unlock3.2%
 Hispanic  Unlock21.6%18.4%
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 Marriage & Family
 Pleasant Hill, CAPetaluma, CAUnited States
 Married Population52.4%  Unlock49.8%
     Currently Married  Unlock51.8%48.0%
 Married but Separated1.0%  Unlock1.8%
 Single Population  Unlock46.6%50.2%
 Never Married32.8%  Unlock33.8%
 Divorced  Unlock11.6%10.8%
 Widowed4.4%  Unlock5.6%
 space5
 Household Size  Unlock2.612.60
 Households13,825  Unlock124,010,992
 Family Households  Unlock15,05980,755,759
     Married couple, w/children35.7%  Unlock30.5%
     Married couple, no children  Unlock45.5%42.9%
 Non Family Households4,909  Unlock43,255,233
     Single householder, w/children  Unlock11.6%15.8%
     Single householder, no children11.4%  Unlock10.8%
Reviews for Pleasant Hill    2 Reviews

Over 17 years ago

rent is expensive here but it is  More

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Over 19 years ago

Great area for families with young children. There are lots of activities and fun things to do. Love the free concerts in the summer at City  More

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Reviews for Petaluma    16 Reviews

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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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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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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