2025 Compare Cities People:
Rapid City, SD vs Cambridge, MA

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Highlights
- Cambridge is 0% more densely populated than Rapid City.
- People are 26.2% less likely to be married in Cambridge.
- The Median Age is 7.6 years younger in Cambridge.
 Rapid City, SDCambridge, MAUnited States
 Population  Unlock116,892329,725,481
 Female Population49.6%  Unlock50.5%
 Male Population50.4%  Unlock49.5%
 Median Age  Unlock30.538.4
 space3
 Population - 201069,138  Unlock309,327,143
 Population - 2000  Unlock101,355285,036,114
 Population - 199054,523  Unlock251,960,433
 Pop. 2000 to Now  Unlock17.6%15.6%
 Pop. 1990 to Now44.6%  Unlock30.8%
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 Population Density  Unlock18,284.493.4
 Land Area54.5  Unlock3,531,905.4
 Water Area  Unlock0.7264,836.8
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 Est. Total Population By Age
 Rapid City, SDCambridge, MAUnited States
 Age 0 to 46.7%  Unlock5.9%
 Age 5 to 9  Unlock3.5%6.1%
 Age 10 to 146.4%  Unlock6.6%
 Age 15 to 17  Unlock1.9%3.9%
 Age 18 to 203.7%  Unlock4.0%
 Age 21 to 24  Unlock10.9%5.2%
 Age 25 to 3414.0%  Unlock13.8%
 Age 35 to 44  Unlock13.3%12.9%
 Age 45 to 5410.6%  Unlock12.6%
 Age 55 to 59  Unlock3.6%6.7%
 Age 60 to 646.5%  Unlock6.3%
 Age 65 to 74  Unlock6.8%9.6%
 Age 75 to 845.1%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
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 Race
 Rapid City, SDCambridge, MAUnited States
 White77.0%  Unlock59.4%
 Black  Unlock10.0%12.2%
 Asian1.3%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.8%0.4%
 Two or More Races5.6%  Unlock3.2%
 Hispanic  Unlock8.8%18.4%
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 Marriage & Family
 Rapid City, SDCambridge, MAUnited States
 Married Population45.9%  Unlock49.8%
     Currently Married  Unlock33.1%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock66.1%50.2%
 Never Married32.5%  Unlock33.8%
 Divorced  Unlock5.6%10.8%
 Widowed6.6%  Unlock5.6%
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 Household Size  Unlock2.092.60
 Households30,737  Unlock124,010,992
 Family Households  Unlock19,58480,755,759
     Married couple, w/children27.2%  Unlock30.5%
     Married couple, no children  Unlock47.0%42.9%
 Non Family Households13,767  Unlock43,255,233
     Single householder, w/children  Unlock10.6%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 Cambridge    14 Reviews

Over 10 years ago

Cambridge is a great place to live. It is rather expensive, but has great access to Boston, schools and hospitals. There is a lot of construction underway that can be  More

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Need info on test results on tap or drinking water quality, 02139 Green St area.  More

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Home to both Harvard and MIT, Cambridge is the cornerstone of higher education. Residents are very intelligent and open to new ideas.   More

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