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

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Highlights
- Rocklin is 0% more densely populated than Petaluma.
- People are 8.1% more likely to be married in Rocklin.
- The Median Age is 5.7 years younger in Rocklin.
 Petaluma, CARocklin, CAUnited States
 Population  Unlock70,317329,725,481
 Female Population50.1%  Unlock50.5%
 Male Population49.9%  Unlock49.5%
 Median Age  Unlock37.138.4
 space3
 Population - 201058,048  Unlock309,327,143
 Population - 2000  Unlock36,330285,036,114
 Population - 199043,184  Unlock251,960,433
 Pop. 2000 to Now  Unlock93.1%15.6%
 Pop. 1990 to Now40.4%  Unlock30.8%
 space4
 Population Density  Unlock3,549.693.4
 Land Area14.4  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Petaluma, CARocklin, CAUnited States
 Age 0 to 45.0%  Unlock5.9%
 Age 5 to 9  Unlock7.2%6.1%
 Age 10 to 146.1%  Unlock6.6%
 Age 15 to 17  Unlock5.0%3.9%
 Age 18 to 203.1%  Unlock4.0%
 Age 21 to 24  Unlock5.5%5.2%
 Age 25 to 3412.7%  Unlock13.8%
 Age 35 to 44  Unlock15.2%12.9%
 Age 45 to 5413.5%  Unlock12.6%
 Age 55 to 59  Unlock6.0%6.7%
 Age 60 to 647.3%  Unlock6.3%
 Age 65 to 74  Unlock8.0%9.6%
 Age 75 to 845.0%  Unlock4.5%
 Age 85 and over  Unlock1.7%1.9%
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 Race
 Petaluma, CARocklin, CAUnited States
 White68.1%  Unlock59.4%
 Black  Unlock1.7%12.2%
 Asian4.1%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.7%0.4%
 Two or More Races4.4%  Unlock3.2%
 Hispanic  Unlock13.9%18.4%
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 Marriage & Family
 Petaluma, CARocklin, CAUnited States
 Married Population53.4%  Unlock49.8%
     Currently Married  Unlock56.6%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock42.3%50.2%
 Never Married30.0%  Unlock33.8%
 Divorced  Unlock9.1%10.8%
 Widowed5.0%  Unlock5.6%
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 Household Size  Unlock2.862.60
 Households22,756  Unlock124,010,992
 Family Households  Unlock17,66080,755,759
     Married couple, w/children34.8%  Unlock30.5%
     Married couple, no children  Unlock39.2%42.9%
 Non Family Households7,697  Unlock43,255,233
     Single householder, w/children  Unlock8.5%15.8%
     Single householder, no children8.1%  Unlock10.8%
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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Reviews for Rocklin    11 Reviews

I have had the blessed opportunity to be born and raised in Rocklin, CA. Rocklin is truly one of the best towns to live in, in the sacramento area. It's a clean, smaller  More

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Over 6 years ago

I've lived in the Sacramento vicinity for 12 years, and in Northern California my entire life (I grew up in the San Jose area). The area of Rocklin I am living in is the  More

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Over 14 years ago

seriously? Let me tell you what I have observed since moving here from Gilbert, AZ 3 months ago.I know I am going to take grief for this so go ahead and let it fly,  More

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