2025 Compare Cities People:
Rapid City, SD vs Mill Creek, WA

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Highlights
- Mill Creek is 0% more densely populated than Rapid City.
- People are 27.8% more likely to be married in Mill Creek.
- The Median Age is 1.5 years older in Mill Creek.
 Rapid City, SDMill Creek, WAUnited States
 Population  Unlock20,665329,725,481
 Female Population49.6%  Unlock50.5%
 Male Population50.4%  Unlock49.5%
 Median Age  Unlock39.638.4
 space3
 Population - 201069,138  Unlock309,327,143
 Population - 2000  Unlock11,525285,036,114
 Population - 199054,523  Unlock251,960,433
 Pop. 2000 to Now  Unlock80.5%15.6%
 Pop. 1990 to Now44.6%  Unlock30.8%
 space4
 Population Density  Unlock4,488.593.4
 Land Area54.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Rapid City, SDMill Creek, WAUnited States
 Age 0 to 46.7%  Unlock5.9%
 Age 5 to 9  Unlock5.9%6.1%
 Age 10 to 146.4%  Unlock6.6%
 Age 15 to 17  Unlock3.3%3.9%
 Age 18 to 203.7%  Unlock4.0%
 Age 21 to 24  Unlock4.8%5.2%
 Age 25 to 3414.0%  Unlock13.8%
 Age 35 to 44  Unlock13.8%12.9%
 Age 45 to 5410.6%  Unlock12.6%
 Age 55 to 59  Unlock7.3%6.7%
 Age 60 to 646.5%  Unlock6.3%
 Age 65 to 74  Unlock8.7%9.6%
 Age 75 to 845.1%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
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 Race
 Rapid City, SDMill Creek, WAUnited States
 White77.0%  Unlock59.4%
 Black  Unlock4.3%12.2%
 Asian1.3%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races5.6%  Unlock3.2%
 Hispanic  Unlock7.6%18.4%
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 Marriage & Family
 Rapid City, SDMill Creek, WAUnited States
 Married Population45.9%  Unlock49.8%
     Currently Married  Unlock57.5%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock41.4%50.2%
 Never Married32.5%  Unlock33.8%
 Divorced  Unlock10.2%10.8%
 Widowed6.6%  Unlock5.6%
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 Household Size  Unlock2.422.60
 Households30,737  Unlock124,010,992
 Family Households  Unlock5,41080,755,759
     Married couple, w/children27.2%  Unlock30.5%
     Married couple, no children  Unlock44.8%42.9%
 Non Family Households13,767  Unlock43,255,233
     Single householder, w/children  Unlock7.4%15.8%
     Single householder, no children8.1%  Unlock10.8%
Reviews for Rapid City    31 Reviews

I have lived in this city for the last three and half years and I can't stand it!! Let me spell it out for you, but to be fair, let me give you the Pros first:  More

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Unless you made your pension out of state or already bought a home you can't afford to liver there. Rapid City is gray in winter.  More

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Over 4 years ago

I've lived in the city 5 years a loved  More

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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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