2025 Compare Cities People:
Naperville, IL vs Petaluma, CA

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Highlights
- Petaluma is 0% more densely populated than Naperville.
- People are 13.7% less likely to be married in Petaluma.
- The Median Age is 3.5 years older in Petaluma.
 Naperville, ILPetaluma, CAUnited States
 Population  Unlock60,050329,725,481
 Female Population50.5%  Unlock50.5%
 Male Population49.5%  Unlock49.5%
 Median Age  Unlock42.838.4
 space3
 Population - 2010142,408  Unlock309,327,143
 Population - 2000  Unlock54,548285,036,114
 Population - 199085,351  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.2%15.6%
 Pop. 1990 to Now73.4%  Unlock30.8%
 space4
 Population Density  Unlock4,175.493.4
 Land Area38.8  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
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 Est. Total Population By Age
 Naperville, ILPetaluma, CAUnited States
 Age 0 to 46.0%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 147.8%  Unlock6.6%
 Age 15 to 17  Unlock4.0%3.9%
 Age 18 to 203.2%  Unlock4.0%
 Age 21 to 24  Unlock3.0%5.2%
 Age 25 to 3411.3%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 5415.0%  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 843.5%  Unlock4.5%
 Age 85 and over  Unlock2.6%1.9%
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 Race
 Naperville, ILPetaluma, CAUnited States
 White65.1%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian20.6%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races3.2%  Unlock3.2%
 Hispanic  Unlock21.6%18.4%
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 Marriage & Family
 Naperville, ILPetaluma, CAUnited States
 Married Population61.8%  Unlock49.8%
     Currently Married  Unlock51.8%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock46.6%50.2%
 Never Married27.2%  Unlock33.8%
 Divorced  Unlock11.6%10.8%
 Widowed4.0%  Unlock5.6%
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 Household Size  Unlock2.612.60
 Households53,234  Unlock124,010,992
 Family Households  Unlock15,05980,755,759
     Married couple, w/children42.3%  Unlock30.5%
     Married couple, no children  Unlock45.5%42.9%
 Non Family Households13,419  Unlock43,255,233
     Single householder, w/children  Unlock11.6%15.8%
     Single householder, no children5.3%  Unlock10.8%
Reviews for Naperville    26 Reviews

Naperville has a lot to offer. The schools are top notch, it is close to Chicago with a commuter rail that is easily accessible and fast, there are lots of parks and  More

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Over 3 years ago

Lived around the area my whole life, moved to the downtown Naperville 7 years ago and wow has it changed and not for the better. There is way too much traffic and no  More

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Over 7 years ago

Went with my real estate agent to check out a few houses in Naperville.First impression was the town was adorable especially the downtown but way too many people.couldnt  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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