2025 Compare Cities People:
Silverthorne, CO vs Rapid City, SD

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Highlights
- Rapid City is 0% more densely populated than Silverthorne.
- People are 0.1% less likely to be married in Rapid City.
- The Median Age is 11.8 years younger in Rapid City.
 Silverthorne, CORapid City, SDUnited States
 Population  Unlock73,942329,725,481
 Female Population40.7%  Unlock50.5%
 Male Population59.3%  Unlock49.5%
 Median Age  Unlock38.138.4
 space3
 Population - 20103,914  Unlock309,327,143
 Population - 2000  Unlock59,607285,036,114
 Population - 19901,768  Unlock251,960,433
 Pop. 2000 to Now  Unlock32.3%15.6%
 Pop. 1990 to Now177.5%  Unlock30.8%
 space4
 Population Density  Unlock1,356.193.4
 Land Area4.0  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Silverthorne, CORapid City, SDUnited States
 Age 0 to 42.7%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 143.8%  Unlock6.6%
 Age 15 to 17  Unlock3.6%3.9%
 Age 18 to 201.7%  Unlock4.0%
 Age 21 to 24  Unlock5.2%5.2%
 Age 25 to 3411.2%  Unlock13.8%
 Age 35 to 44  Unlock12.2%12.9%
 Age 45 to 5415.5%  Unlock12.6%
 Age 55 to 59  Unlock6.1%6.7%
 Age 60 to 6412.6%  Unlock6.3%
 Age 65 to 74  Unlock11.5%9.6%
 Age 75 to 844.0%  Unlock4.5%
 Age 85 and over  Unlock2.3%1.9%
 space1
 Race
 Silverthorne, CORapid City, SDUnited States
 White83.4%  Unlock59.4%
 Black  Unlock1.4%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock8.1%0.6%
 Hawaiian, Pacific Islander1.1%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races1.0%  Unlock3.2%
 Hispanic  Unlock5.9%18.4%
 space2
 Marriage & Family
 Silverthorne, CORapid City, SDUnited States
 Married Population45.9%  Unlock49.8%
     Currently Married  Unlock44.6%48.0%
 Married but Separated0.0%  Unlock1.8%
 Single Population  Unlock54.1%50.2%
 Never Married33.6%  Unlock33.8%
 Divorced  Unlock15.0%10.8%
 Widowed3.4%  Unlock5.6%
 space5
 Household Size  Unlock2.292.60
 Households1,792  Unlock124,010,992
 Family Households  Unlock16,97080,755,759
     Married couple, w/children11.1%  Unlock30.5%
     Married couple, no children  Unlock47.9%42.9%
 Non Family Households633  Unlock43,255,233
     Single householder, w/children  Unlock16.8%15.8%
     Single householder, no children15.7%  Unlock10.8%
Reviews for Silverthorne    2 Reviews

We've lived here 2 1/2 years, three winters now, and although I'm not a huge fan of winter, and there's a lot of it here, at least there are really fun things to do. We  More

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Over 19 years ago

Silverthorne is a great place to live, but the cost of housing and living has recently put a big separation between the working class and the rest of the  More

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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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