2025 Compare Cities People:
Naperville, IL vs Aliso Viejo, CA

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Highlights
- Aliso Viejo is 0% more densely populated than Naperville.
- People are 13.1% less likely to be married in Aliso Viejo.
- The Median Age is 1.9 years younger in Aliso Viejo.
 Naperville, ILAliso Viejo, CAUnited States
 Population  Unlock51,943329,725,481
 Female Population50.5%  Unlock50.5%
 Male Population49.5%  Unlock49.5%
 Median Age  Unlock37.438.4
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 Population - 2010142,408  Unlock309,327,143
 Population - 2000  Unlock40,166285,036,114
 Population - 199085,351  Unlock251,960,433
 Pop. 2000 to Now  Unlock25.5%15.6%
 Pop. 1990 to Now73.4%  Unlock30.8%
 space4
 Population Density  Unlock7,507.393.4
 Land Area38.8  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Naperville, ILAliso Viejo, CAUnited States
 Age 0 to 46.0%  Unlock5.9%
 Age 5 to 9  Unlock6.9%6.1%
 Age 10 to 147.8%  Unlock6.6%
 Age 15 to 17  Unlock4.3%3.9%
 Age 18 to 203.2%  Unlock4.0%
 Age 21 to 24  Unlock4.1%5.2%
 Age 25 to 3411.3%  Unlock13.8%
 Age 35 to 44  Unlock16.2%12.9%
 Age 45 to 5415.0%  Unlock12.6%
 Age 55 to 59  Unlock7.3%6.7%
 Age 60 to 645.9%  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
 Naperville, ILAliso Viejo, CAUnited States
 White65.1%  Unlock59.4%
 Black  Unlock2.5%12.2%
 Asian20.6%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races3.2%  Unlock3.2%
 Hispanic  Unlock20.0%18.4%
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 Marriage & Family
 Naperville, ILAliso Viejo, CAUnited States
 Married Population61.8%  Unlock49.8%
     Currently Married  Unlock52.9%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock46.3%50.2%
 Never Married27.2%  Unlock33.8%
 Divorced  Unlock11.4%10.8%
 Widowed4.0%  Unlock5.6%
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 Household Size  Unlock2.712.60
 Households53,234  Unlock124,010,992
 Family Households  Unlock13,03380,755,759
     Married couple, w/children42.3%  Unlock30.5%
     Married couple, no children  Unlock32.8%42.9%
 Non Family Households13,419  Unlock43,255,233
     Single householder, w/children  Unlock10.3%15.8%
     Single householder, no children5.3%  Unlock10.8%
Reviews for Naperville    26 Reviews

Naperville has a lot to offer. The schools are top notch, it is close to Chicago with a commuter rail that is easily accessible and fast, there are lots of parks and  More

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Over 3 years ago

Lived around the area my whole life, moved to the downtown Naperville 7 years ago and wow has it changed and not for the better. There is way too much traffic and no  More

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Over 7 years ago

Went with my real estate agent to check out a few houses in Naperville.First impression was the town was adorable especially the downtown but way too many people.couldnt  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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