2025 Compare Cities People:
Petaluma, CA vs St. Louis, MO

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Highlights
- St. Louis is 0% more densely populated than Petaluma.
- People are 37.0% less likely to be married in St. Louis.
- The Median Age is 6.5 years younger in St. Louis.
 Petaluma, CASt. Louis, MOUnited States
 Population  Unlock302,787329,725,481
 Female Population50.1%  Unlock50.5%
 Male Population49.9%  Unlock49.5%
 Median Age  Unlock36.338.4
 space3
 Population - 201058,048  Unlock309,327,143
 Population - 2000  Unlock348,189285,036,114
 Population - 199043,184  Unlock251,960,433
 Pop. 2000 to Now  Unlock-14.5%15.6%
 Pop. 1990 to Now40.4%  Unlock30.8%
 space4
 Population Density  Unlock4,903.993.4
 Land Area14.4  Unlock3,531,905.4
 Water Area  Unlock4.3264,836.8
 space
 Est. Total Population By Age
 Petaluma, CASt. Louis, MOUnited States
 Age 0 to 45.0%  Unlock5.9%
 Age 5 to 9  Unlock4.8%6.1%
 Age 10 to 146.1%  Unlock6.6%
 Age 15 to 17  Unlock2.8%3.9%
 Age 18 to 203.1%  Unlock4.0%
 Age 21 to 24  Unlock5.4%5.2%
 Age 25 to 3412.7%  Unlock13.8%
 Age 35 to 44  Unlock13.7%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  Unlock8.8%9.6%
 Age 75 to 845.0%  Unlock4.5%
 Age 85 and over  Unlock1.7%1.9%
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 Race
 Petaluma, CASt. Louis, MOUnited States
 White68.1%  Unlock59.4%
 Black  Unlock44.6%12.2%
 Asian4.1%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races4.4%  Unlock3.2%
 Hispanic  Unlock4.2%18.4%
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 Marriage & Family
 Petaluma, CASt. Louis, MOUnited States
 Married Population53.4%  Unlock49.8%
     Currently Married  Unlock30.7%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock66.4%50.2%
 Never Married30.0%  Unlock33.8%
 Divorced  Unlock12.3%10.8%
 Widowed5.0%  Unlock5.6%
 space5
 Household Size  Unlock2.082.60
 Households22,756  Unlock124,010,992
 Family Households  Unlock62,55980,755,759
     Married couple, w/children34.8%  Unlock30.5%
     Married couple, no children  Unlock36.1%42.9%
 Non Family Households7,697  Unlock43,255,233
     Single householder, w/children  Unlock26.9%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 St. Louis    113 Reviews

I'm 65 and lived here my entire life. Growing up in St. Louis I've learned there is a like to like about it. Lots of first class Hospitals and Doctors, LOTS of great  More

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This is an outsider's perspective on St. Louis. Sometimes a fresh perspective looking in from the outside is helpful. I don't live there as of this writing (Dec 22) but  More

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Over 3 years ago

I have travelled extensively and have lived in several other cities around the country. I chose to live in St. Louis city because it has many big city amenities with an  More

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