2025 Compare Cities People:
Mill Creek, WA vs Castle Pines, CO

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Highlights
- Castle Pines is 0% more densely populated than Mill Creek.
- People are 12.2% more likely to be married in Castle Pines.
- The Median Age is 3.6 years older in Castle Pines.
 Mill Creek, WACastle Pines, COUnited States
 Population  Unlock11,296329,725,481
 Female Population53.1%  Unlock50.5%
 Male Population46.9%  Unlock49.5%
 Median Age  Unlock43.238.4
 space3
 Population - 201018,268  Unlock309,327,143
 Population - 2000  Unlock5,958285,036,114
 Population - 19907,172  Unlock251,960,433
 Pop. 2000 to Now  Unlock95.8%15.6%
 Pop. 1990 to Now190.0%  Unlock30.8%
 space4
 Population Density  Unlock1,177.493.4
 Land Area4.6  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Mill Creek, WACastle Pines, COUnited States
 Age 0 to 45.5%  Unlock5.9%
 Age 5 to 9  Unlock5.9%6.1%
 Age 10 to 146.8%  Unlock6.6%
 Age 15 to 17  Unlock6.1%3.9%
 Age 18 to 202.4%  Unlock4.0%
 Age 21 to 24  Unlock4.6%5.2%
 Age 25 to 3414.7%  Unlock13.8%
 Age 35 to 44  Unlock12.6%12.9%
 Age 45 to 5413.9%  Unlock12.6%
 Age 55 to 59  Unlock9.3%6.7%
 Age 60 to 645.9%  Unlock6.3%
 Age 65 to 74  Unlock8.9%9.6%
 Age 75 to 844.9%  Unlock4.5%
 Age 85 and over  Unlock1.7%1.9%
 space1
 Race
 Mill Creek, WACastle Pines, COUnited States
 White60.2%  Unlock59.4%
 Black  Unlock4.2%12.2%
 Asian20.0%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.8%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races6.3%  Unlock3.2%
 Hispanic  Unlock5.0%18.4%
 space2
 Marriage & Family
 Mill Creek, WACastle Pines, COUnited States
 Married Population58.6%  Unlock49.8%
     Currently Married  Unlock65.0%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock34.2%50.2%
 Never Married26.9%  Unlock33.8%
 Divorced  Unlock7.4%10.8%
 Widowed4.2%  Unlock5.6%
 space5
 Household Size  Unlock3.012.60
 Households8,492  Unlock124,010,992
 Family Households  Unlock3,26980,755,759
     Married couple, w/children40.8%  Unlock30.5%
     Married couple, no children  Unlock46.2%42.9%
 Non Family Households3,082  Unlock43,255,233
     Single householder, w/children  Unlock4.6%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 Castle Pines    2 Reviews

Over 14 years ago

Great place to  More

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The weather in this part of CO is absolutely wonderful. This is largely due to the altitude and lack of humidity. It can be 32 degrees and not feel cold. One day may  More

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