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

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Highlights
- Aliso Viejo is 0% more densely populated than St. Louis.
- People are 59.7% more likely to be married in Aliso Viejo.
- The Median Age is 1.1 years older in Aliso Viejo.
 St. Louis, MOAliso Viejo, CAUnited States
 Population  Unlock51,943329,725,481
 Female Population51.3%  Unlock50.5%
 Male Population48.7%  Unlock49.5%
 Median Age  Unlock37.438.4
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 Population - 2010319,367  Unlock309,327,143
 Population - 2000  Unlock40,166285,036,114
 Population - 1990396,685  Unlock251,960,433
 Pop. 2000 to Now  Unlock25.5%15.6%
 Pop. 1990 to Now-25.0%  Unlock30.8%
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 Population Density  Unlock7,507.393.4
 Land Area61.7  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 St. Louis, MOAliso Viejo, CAUnited States
 Age 0 to 46.1%  Unlock5.9%
 Age 5 to 9  Unlock6.9%6.1%
 Age 10 to 145.3%  Unlock6.6%
 Age 15 to 17  Unlock4.3%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock4.1%5.2%
 Age 25 to 3419.9%  Unlock13.8%
 Age 35 to 44  Unlock16.2%12.9%
 Age 45 to 5411.5%  Unlock12.6%
 Age 55 to 59  Unlock7.3%6.7%
 Age 60 to 646.8%  Unlock6.3%
 Age 65 to 74  Unlock4.9%9.6%
 Age 75 to 843.5%  Unlock4.5%
 Age 85 and over  Unlock1.4%1.9%
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 Race
 St. Louis, MOAliso Viejo, CAUnited States
 White44.3%  Unlock59.4%
 Black  Unlock2.5%12.2%
 Asian3.4%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races2.8%  Unlock3.2%
 Hispanic  Unlock20.0%18.4%
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 Marriage & Family
 St. Louis, MOAliso Viejo, CAUnited States
 Married Population33.6%  Unlock49.8%
     Currently Married  Unlock52.9%48.0%
 Married but Separated2.9%  Unlock1.8%
 Single Population  Unlock46.3%50.2%
 Never Married48.8%  Unlock33.8%
 Divorced  Unlock11.4%10.8%
 Widowed5.2%  Unlock5.6%
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 Household Size  Unlock2.712.60
 Households141,161  Unlock124,010,992
 Family Households  Unlock13,03380,755,759
     Married couple, w/children20.7%  Unlock30.5%
     Married couple, no children  Unlock32.8%42.9%
 Non Family Households78,602  Unlock43,255,233
     Single householder, w/children  Unlock10.3%15.8%
     Single householder, no children16.4%  Unlock10.8%
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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Reviews for Aliso Viejo    8 Reviews

We've lived here in Aliso Viejo now for two years and just love it! It's clean, extremely walkable, little to no crime and relatively affordable when compared to Los  More

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Over 4 years ago

We just moved here from the East Coast and we absolutely love it. It’s pretty peaceful, has beautiful views of the city, and it’s close to the beach and many parks.  More

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We've liked here for 4yrs now and it is one of the most convenient cities I've ever lived in. Our youngest finished their last 2 yrs of high school here and we were  More

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