2025 Compare Cities People:
Rapid City, SD vs Three Forks, MT

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Highlights
- Three Forks is 0% more densely populated than Rapid City.
- People are 29.0% more likely to be married in Three Forks.
- The Median Age is 2.9 years older in Three Forks.
 Rapid City, SDThree Forks, MTUnited States
 Population  Unlock2,084329,725,481
 Female Population49.6%  Unlock50.5%
 Male Population50.4%  Unlock49.5%
 Median Age  Unlock4138.4
 space3
 Population - 201069,138  Unlock309,327,143
 Population - 2000  Unlock1,728285,036,114
 Population - 199054,523  Unlock251,960,433
 Pop. 2000 to Now  Unlock18.2%15.6%
 Pop. 1990 to Now44.6%  Unlock30.8%
 space4
 Population Density  Unlock1,429.493.4
 Land Area54.5  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Rapid City, SDThree Forks, MTUnited States
 Age 0 to 46.7%  Unlock5.9%
 Age 5 to 9  Unlock7.4%6.1%
 Age 10 to 146.4%  Unlock6.6%
 Age 15 to 17  Unlock3.1%3.9%
 Age 18 to 203.7%  Unlock4.0%
 Age 21 to 24  Unlock6.7%5.2%
 Age 25 to 3414.0%  Unlock13.8%
 Age 35 to 44  Unlock12.5%12.9%
 Age 45 to 5410.6%  Unlock12.6%
 Age 55 to 59  Unlock5.9%6.7%
 Age 60 to 646.5%  Unlock6.3%
 Age 65 to 74  Unlock12.1%9.6%
 Age 75 to 845.1%  Unlock4.5%
 Age 85 and over  Unlock2.7%1.9%
 space1
 Race
 Rapid City, SDThree Forks, MTUnited States
 White77.0%  Unlock59.4%
 Black  Unlock0.0%12.2%
 Asian1.3%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races5.6%  Unlock3.2%
 Hispanic  Unlock2.5%18.4%
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 Marriage & Family
 Rapid City, SDThree Forks, MTUnited States
 Married Population45.9%  Unlock49.8%
     Currently Married  Unlock58.5%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock40.8%50.2%
 Never Married32.5%  Unlock33.8%
 Divorced  Unlock9.7%10.8%
 Widowed6.6%  Unlock5.6%
 space5
 Household Size  Unlock2.592.60
 Households30,737  Unlock124,010,992
 Family Households  Unlock47180,755,759
     Married couple, w/children27.2%  Unlock30.5%
     Married couple, no children  Unlock56.3%42.9%
 Non Family Households13,767  Unlock43,255,233
     Single householder, w/children  Unlock3.0%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 Three Forks    3 Reviews

Over 6 years ago

I lived in the country outside of Three Forks for years and loved it. It is beautiful, fun, and close to everything. No jobs really, but Bozeman and even Butte or Helena  More

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I spent 12 long years in the Three Forks school system. Then spent 2 years taking remedial classes to get an  More

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I was born in Three Forks and lived there for a total of 25 years. Left forever in 1988 and never looked back. Two major employers, a talc mill and a cement plant.   More

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