2025 Compare Cities People:
Walnut Creek, CA vs Naperville, IL

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Highlights
- Naperville is 0% more densely populated than Walnut Creek.
- People are 11.4% more likely to be married in Naperville.
- The Median Age is 8.5 years younger in Naperville.
 Walnut Creek, CANaperville, ILUnited States
 Population  Unlock149,013329,725,481
 Female Population52.4%  Unlock50.5%
 Male Population47.6%  Unlock49.5%
 Median Age  Unlock39.338.4
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 Population - 201064,376  Unlock309,327,143
 Population - 2000  Unlock128,358285,036,114
 Population - 199060,569  Unlock251,960,433
 Pop. 2000 to Now  Unlock15.3%15.6%
 Pop. 1990 to Now15.5%  Unlock30.8%
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 Population Density  Unlock3,839.693.4
 Land Area19.8  Unlock3,531,905.4
 Water Area  Unlock0.6264,836.8
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 Est. Total Population By Age
 Walnut Creek, CANaperville, ILUnited States
 Age 0 to 44.8%  Unlock5.9%
 Age 5 to 9  Unlock6.5%6.1%
 Age 10 to 143.8%  Unlock6.6%
 Age 15 to 17  Unlock4.9%3.9%
 Age 18 to 202.0%  Unlock4.0%
 Age 21 to 24  Unlock4.2%5.2%
 Age 25 to 3413.8%  Unlock13.8%
 Age 35 to 44  Unlock14.2%12.9%
 Age 45 to 5410.5%  Unlock12.6%
 Age 55 to 59  Unlock7.6%6.7%
 Age 60 to 645.9%  Unlock6.3%
 Age 65 to 74  Unlock8.3%9.6%
 Age 75 to 849.5%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
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 Race
 Walnut Creek, CANaperville, ILUnited States
 White63.4%  Unlock59.4%
 Black  Unlock4.3%12.2%
 Asian17.7%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.4%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races6.0%  Unlock3.2%
 Hispanic  Unlock6.5%18.4%
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 Marriage & Family
 Walnut Creek, CANaperville, ILUnited States
 Married Population55.5%  Unlock49.8%
     Currently Married  Unlock60.9%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock38.2%50.2%
 Never Married25.6%  Unlock33.8%
 Divorced  Unlock7.0%10.8%
 Widowed8.4%  Unlock5.6%
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 Household Size  Unlock2.752.60
 Households32,126  Unlock124,010,992
 Family Households  Unlock39,81580,755,759
     Married couple, w/children29.4%  Unlock30.5%
     Married couple, no children  Unlock43.9%42.9%
 Non Family Households13,738  Unlock43,255,233
     Single householder, w/children  Unlock8.4%15.8%
     Single householder, no children7.5%  Unlock10.8%
Reviews for Walnut Creek    16 Reviews

Apart from the congestion, Walnut Creek is one of the best places in the San Francisco Bay Area to live. It is one of the most compact/walkable cities in the entire area  More

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Over 7 years ago

Almost all of Walnut Creek water comes from Pardee dam through an enclosed pipeline. That water is direct from the high Sierras. Among the best water quality in the  More

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Over 7 years ago

I grew up in Southern California and am no stranger to a more inland California climate. Before moving to WC I lived in San Francisco for 15 years where it is obviously  More

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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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