2025 Compare Cities People:
Aliso Viejo, CA vs Lake San Marcos, CA

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Highlights
- Lake San Marcos is 0% more densely populated than Aliso Viejo.
- People are 7.9% more likely to be married in Lake San Marcos.
- The Median Age is 26.4 years older in Lake San Marcos.
 Aliso Viejo, CALake San Marcos, CAUnited States
 Population  Unlock4,127329,725,481
 Female Population52.3%  Unlock50.5%
 Male Population47.7%  Unlock49.5%
 Median Age  Unlock63.838.4
 space3
 Population - 201047,821  Unlock309,327,143
 Population - 2000  Unlock4,138285,036,114
 Population - 19907,612  Unlock251,960,433
 Pop. 2000 to Now  Unlock20.9%15.6%
 Pop. 1990 to Now562.3%  Unlock30.8%
 space4
 Population Density  Unlock2,417.793.4
 Land Area6.9  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Aliso Viejo, CALake San Marcos, CAUnited States
 Age 0 to 47.8%  Unlock5.9%
 Age 5 to 9  Unlock0.5%6.1%
 Age 10 to 146.8%  Unlock6.6%
 Age 15 to 17  Unlock2.3%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock0.6%5.2%
 Age 25 to 3413.0%  Unlock13.8%
 Age 35 to 44  Unlock4.5%12.9%
 Age 45 to 5416.3%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 645.3%  Unlock6.3%
 Age 65 to 74  Unlock27.4%9.6%
 Age 75 to 842.4%  Unlock4.5%
 Age 85 and over  Unlock8.1%1.9%
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 Race
 Aliso Viejo, CALake San Marcos, CAUnited States
 White56.1%  Unlock59.4%
 Black  Unlock4.3%12.2%
 Asian15.4%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races5.3%  Unlock3.2%
 Hispanic  Unlock7.2%18.4%
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 Marriage & Family
 Aliso Viejo, CALake San Marcos, CAUnited States
 Married Population53.7%  Unlock49.8%
     Currently Married  Unlock56.8%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock42.0%50.2%
 Never Married31.3%  Unlock33.8%
 Divorced  Unlock14.2%10.8%
 Widowed3.6%  Unlock5.6%
 space5
 Household Size  Unlock1.912.60
 Households18,999  Unlock124,010,992
 Family Households  Unlock1,16780,755,759
     Married couple, w/children45.7%  Unlock30.5%
     Married couple, no children  Unlock72.6%42.9%
 Non Family Households5,966  Unlock43,255,233
     Single householder, w/children  Unlock4.5%15.8%
     Single householder, no children11.3%  Unlock10.8%
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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