2025 Compare Cities People:
Boulder, CO vs West Yellowstone, MT

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Highlights
- West Yellowstone is 0% more densely populated than Boulder.
- People are 57.8% more likely to be married in West Yellowstone.
- The Median Age is 5.9 years older in West Yellowstone.
 Boulder, COWest Yellowstone, MTUnited States
 Population  Unlock1,096329,725,481
 Female Population48.5%  Unlock50.5%
 Male Population51.5%  Unlock49.5%
 Median Age  Unlock34.838.4
 space3
 Population - 201097,724  Unlock309,327,143
 Population - 2000  Unlock1,177285,036,114
 Population - 199083,312  Unlock251,960,433
 Pop. 2000 to Now  Unlock16.6%15.6%
 Pop. 1990 to Now29.2%  Unlock30.8%
 space4
 Population Density  Unlock1,389.193.4
 Land Area26.3  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Boulder, COWest Yellowstone, MTUnited States
 Age 0 to 42.7%  Unlock5.9%
 Age 5 to 9  Unlock5.0%6.1%
 Age 10 to 143.6%  Unlock6.6%
 Age 15 to 17  Unlock8.4%3.9%
 Age 18 to 2016.2%  Unlock4.0%
 Age 21 to 24  Unlock1.9%5.2%
 Age 25 to 3416.3%  Unlock13.8%
 Age 35 to 44  Unlock15.0%12.9%
 Age 45 to 5410.3%  Unlock12.6%
 Age 55 to 59  Unlock6.7%6.7%
 Age 60 to 644.2%  Unlock6.3%
 Age 65 to 74  Unlock7.8%9.6%
 Age 75 to 843.1%  Unlock4.5%
 Age 85 and over  Unlock0.0%1.9%
 space1
 Race
 Boulder, COWest Yellowstone, MTUnited States
 White78.3%  Unlock59.4%
 Black  Unlock0.0%12.2%
 Asian5.9%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock17.7%18.4%
 space2
 Marriage & Family
 Boulder, COWest Yellowstone, MTUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock50.4%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock49.6%50.2%
 Never Married56.1%  Unlock33.8%
 Divorced  Unlock8.1%10.8%
 Widowed2.5%  Unlock5.6%
 space5
 Household Size  Unlock2.382.60
 Households42,610  Unlock124,010,992
 Family Households  Unlock22280,755,759
     Married couple, w/children33.3%  Unlock30.5%
     Married couple, no children  Unlock37.4%42.9%
 Non Family Households25,269  Unlock43,255,233
     Single householder, w/children  Unlock16.7%15.8%
     Single householder, no children8.5%  Unlock10.8%
Reviews for Boulder    55 Reviews

Outside of the university, Boulder had a very distinctive "wealthy hippy" feel. A lot of alternative medicine and a matching ethos. This is changing some among my  More

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We moved here from Texas about 4 years ago and love it here! The amazing sense of community and high regard for the environment are two of the main reasons we love  More

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Over 5 years ago

Most people do much worse than Boulder. I'm the most critical person I've ever met who is never happy or satisfied -- so that's a pretty huge compliment.   More

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Reviews for West Yellowstone    1 Reviews

I have been reviewing crime stats for my area and I just don't understand how we can be rated as high as we are. I live 30miles from the west gate to Yellowstone  More

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