2025 Compare Cities People:
Grass Valley, CA vs Petaluma, CA

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Highlights
- Petaluma is 0% more densely populated than Grass Valley.
- People are 51.8% more likely to be married in Petaluma.
- The Median Age is 4.2 years younger in Petaluma.
 Grass Valley, CAPetaluma, CAUnited States
 Population  Unlock60,050329,725,481
 Female Population55.1%  Unlock50.5%
 Male Population44.9%  Unlock49.5%
 Median Age  Unlock42.838.4
 space3
 Population - 201012,876  Unlock309,327,143
 Population - 2000  Unlock54,548285,036,114
 Population - 19909,048  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.2%15.6%
 Pop. 1990 to Now41.1%  Unlock30.8%
 space4
 Population Density  Unlock4,175.493.4
 Land Area5.2  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Grass Valley, CAPetaluma, CAUnited States
 Age 0 to 46.0%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 147.4%  Unlock6.6%
 Age 15 to 17  Unlock4.0%3.9%
 Age 18 to 201.0%  Unlock4.0%
 Age 21 to 24  Unlock3.0%5.2%
 Age 25 to 349.9%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 549.6%  Unlock12.6%
 Age 55 to 59  Unlock7.4%6.7%
 Age 60 to 647.3%  Unlock6.3%
 Age 65 to 74  Unlock11.1%9.6%
 Age 75 to 847.2%  Unlock4.5%
 Age 85 and over  Unlock2.6%1.9%
 space1
 Race
 Grass Valley, CAPetaluma, CAUnited States
 White78.6%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian1.7%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races8.0%  Unlock3.2%
 Hispanic  Unlock21.6%18.4%
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 Marriage & Family
 Grass Valley, CAPetaluma, CAUnited States
 Married Population35.2%  Unlock49.8%
     Currently Married  Unlock51.8%48.0%
 Married but Separated2.3%  Unlock1.8%
 Single Population  Unlock46.6%50.2%
 Never Married28.3%  Unlock33.8%
 Divorced  Unlock11.6%10.8%
 Widowed14.3%  Unlock5.6%
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 Household Size  Unlock2.612.60
 Households6,495  Unlock124,010,992
 Family Households  Unlock15,05980,755,759
     Married couple, w/children24.8%  Unlock30.5%
     Married couple, no children  Unlock45.5%42.9%
 Non Family Households3,605  Unlock43,255,233
     Single householder, w/children  Unlock11.6%15.8%
     Single householder, no children16.6%  Unlock10.8%
Reviews for Grass Valley    15 Reviews

I've lived many places in California. I've now lived in Grass Valley for 2 years. Grass Valley and it's sister Nevada City are adorable little towns full of history and  More

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Grass valley has become a sad place to live. I was born and raised here and can no longer afford to raise my small family here. Look up the median annual wage and the  More

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I'm 25 years old and I've lived in this town all of my life, and I'm saving every single dollar I make to leave here and never come back. It's a shame, because at one  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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