2025 Compare Cities People:
Aliso Viejo, CA vs Costa Mesa, CA

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Highlights
- Costa Mesa is 0% more densely populated than Aliso Viejo.
- People are 16.1% less likely to be married in Costa Mesa.
- The Median Age is 1.4 years younger in Costa Mesa.
 Aliso Viejo, CACosta Mesa, CAUnited States
 Population  Unlock112,148329,725,481
 Female Population52.3%  Unlock50.5%
 Male Population47.7%  Unlock49.5%
 Median Age  Unlock3638.4
 space3
 Population - 201047,821  Unlock309,327,143
 Population - 2000  Unlock108,724285,036,114
 Population - 19907,612  Unlock251,960,433
 Pop. 2000 to Now  Unlock3.4%15.6%
 Pop. 1990 to Now562.3%  Unlock30.8%
 space4
 Population Density  Unlock7,099.893.4
 Land Area6.9  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Aliso Viejo, CACosta Mesa, CAUnited States
 Age 0 to 47.8%  Unlock5.9%
 Age 5 to 9  Unlock4.8%6.1%
 Age 10 to 146.8%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock5.1%5.2%
 Age 25 to 3413.0%  Unlock13.8%
 Age 35 to 44  Unlock15.1%12.9%
 Age 45 to 5416.3%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 645.3%  Unlock6.3%
 Age 65 to 74  Unlock7.5%9.6%
 Age 75 to 842.4%  Unlock4.5%
 Age 85 and over  Unlock1.7%1.9%
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 Race
 Aliso Viejo, CACosta Mesa, CAUnited States
 White56.1%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian15.4%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races5.3%  Unlock3.2%
 Hispanic  Unlock35.9%18.4%
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 Marriage & Family
 Aliso Viejo, CACosta Mesa, CAUnited States
 Married Population53.7%  Unlock49.8%
     Currently Married  Unlock43.3%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock54.9%50.2%
 Never Married31.3%  Unlock33.8%
 Divorced  Unlock10.6%10.8%
 Widowed3.6%  Unlock5.6%
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 Household Size  Unlock2.682.60
 Households18,999  Unlock124,010,992
 Family Households  Unlock24,50380,755,759
     Married couple, w/children45.7%  Unlock30.5%
     Married couple, no children  Unlock40.8%42.9%
 Non Family Households5,966  Unlock43,255,233
     Single householder, w/children  Unlock14.8%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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Reviews for Costa Mesa    8 Reviews

Over 15 years ago

Costa mesa has awesome shopping but is way too crowded and I have had 3 cars stolen in the past 5 years along with countless break-ins and theft. Expensive. Close to  More

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Over 16 years ago

Costa Mesa has a near perfect climate . . . plenty of sun but rarely over 100 degrees (our house doesn't even have AC). Nestled between Newport Beach and Huntington  More

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We have a good amount of low-income, medium-income, and relatively high-income  More

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