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2025 Compare Cities People:
Petaluma, CA vs Wilmington, DE

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Highlights
- Wilmington is 0% more densely populated than Petaluma.
- People are 45.4% less likely to be married in Wilmington.
- The Median Age is 6.5 years younger in Wilmington.
 Petaluma, CAWilmington, DEUnited States
 Population  Unlock70,926329,725,481
 Female Population50.1%  Unlock50.5%
 Male Population49.9%  Unlock49.5%
 Median Age  Unlock36.338.4
 space3
 Population - 201058,048  Unlock309,327,143
 Population - 2000  Unlock72,664285,036,114
 Population - 199043,184  Unlock251,960,433
 Pop. 2000 to Now  Unlock-3.2%15.6%
 Pop. 1990 to Now40.4%  Unlock30.8%
 space4
 Population Density  Unlock6,504.693.4
 Land Area14.4  Unlock3,531,905.4
 Water Area  Unlock6.0264,836.8
 space
 Est. Total Population By Age
 Petaluma, CAWilmington, DEUnited States
 Age 0 to 45.0%  Unlock5.9%
 Age 5 to 9  Unlock5.7%6.1%
 Age 10 to 146.1%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 203.1%  Unlock4.0%
 Age 21 to 24  Unlock4.7%5.2%
 Age 25 to 3412.7%  Unlock13.8%
 Age 35 to 44  Unlock13.1%12.9%
 Age 45 to 5413.5%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 647.3%  Unlock6.3%
 Age 65 to 74  Unlock8.3%9.6%
 Age 75 to 845.0%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
 space1
 Race
 Petaluma, CAWilmington, DEUnited States
 White68.1%  Unlock59.4%
 Black  Unlock56.1%12.2%
 Asian4.1%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races4.4%  Unlock3.2%
 Hispanic  Unlock10.5%18.4%
 space2
 Marriage & Family
 Petaluma, CAWilmington, DEUnited States
 Married Population53.4%  Unlock49.8%
     Currently Married  Unlock26.7%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock70.8%50.2%
 Never Married30.0%  Unlock33.8%
 Divorced  Unlock12.8%10.8%
 Widowed5.0%  Unlock5.6%
 space5
 Household Size  Unlock2.162.60
 Households22,756  Unlock124,010,992
 Family Households  Unlock14,28280,755,759
     Married couple, w/children34.8%  Unlock30.5%
     Married couple, no children  Unlock29.7%42.9%
 Non Family Households7,697  Unlock43,255,233
     Single householder, w/children  Unlock32.7%15.8%
     Single householder, no children8.1%  Unlock10.8%
Voting
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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Reviews for Wilmington    18 Reviews
T · New Castle, DE
I Cannot Wait To Rid Myself of This Place
Over 8 years ago

I'm ready to get away from this whole state, once and for all! There are no real jobs here. The cost of living is getting entirely too high, as well as the crime.  More

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ron · Glen Allen, VA
Park Plaza
Over 9 years ago

can anyone offer information on the Park Plaza, 1100 Lovering Ave,  More

   |    Reply
Joseph · Wilmington, DE
So far I'm impressed with Wilmington
Over 9 years ago

When we sold our house in the burbs and downsized to a condo in Wilmington all our friends thought we were nuts. What about the crime? Well, we've been here for a year  More

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Learn More About Petaluma, California
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