2025 Compare Cities People:
Mill Creek, WA vs Naperville, IL

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Highlights
- Naperville is 0% more densely populated than Mill Creek.
- People are 5.5% more likely to be married in Naperville.
- The Median Age is 0.3 years younger in Naperville.
 Mill Creek, WANaperville, ILUnited States
 Population  Unlock149,013329,725,481
 Female Population53.1%  Unlock50.5%
 Male Population46.9%  Unlock49.5%
 Median Age  Unlock39.338.4
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 Population - 201018,268  Unlock309,327,143
 Population - 2000  Unlock128,358285,036,114
 Population - 19907,172  Unlock251,960,433
 Pop. 2000 to Now  Unlock15.3%15.6%
 Pop. 1990 to Now190.0%  Unlock30.8%
 space4
 Population Density  Unlock3,839.693.4
 Land Area4.6  Unlock3,531,905.4
 Water Area  Unlock0.6264,836.8
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 Est. Total Population By Age
 Mill Creek, WANaperville, ILUnited States
 Age 0 to 45.5%  Unlock5.9%
 Age 5 to 9  Unlock6.5%6.1%
 Age 10 to 146.8%  Unlock6.6%
 Age 15 to 17  Unlock4.9%3.9%
 Age 18 to 202.4%  Unlock4.0%
 Age 21 to 24  Unlock4.2%5.2%
 Age 25 to 3414.7%  Unlock13.8%
 Age 35 to 44  Unlock14.2%12.9%
 Age 45 to 5413.9%  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 844.9%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
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 Race
 Mill Creek, WANaperville, ILUnited States
 White60.2%  Unlock59.4%
 Black  Unlock4.3%12.2%
 Asian20.0%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.8%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races6.3%  Unlock3.2%
 Hispanic  Unlock6.5%18.4%
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 Marriage & Family
 Mill Creek, WANaperville, ILUnited States
 Married Population58.6%  Unlock49.8%
     Currently Married  Unlock60.9%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock38.2%50.2%
 Never Married26.9%  Unlock33.8%
 Divorced  Unlock7.0%10.8%
 Widowed4.2%  Unlock5.6%
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 Household Size  Unlock2.752.60
 Households8,492  Unlock124,010,992
 Family Households  Unlock39,81580,755,759
     Married couple, w/children40.8%  Unlock30.5%
     Married couple, no children  Unlock43.9%42.9%
 Non Family Households3,082  Unlock43,255,233
     Single householder, w/children  Unlock8.4%15.8%
     Single householder, no children7.0%  Unlock10.8%
Reviews for Mill Creek    3 Reviews

The State of Washington finds many, many ways to tax their residents, more so than anywhere else I have lived. I moved here from the Bay Area, and wish I had stayed in  More

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Over 17 years ago

We love it here been out of the south (baton rouge,la) for almost 3 years, but will not be able to stay because the standard of living is over the  More

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Over 19 years ago

When I lived there a few years ago, most houses were around 500K and up. IF that's your price range, the schools are good and the area is very pretty. Lots of  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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