2025 Compare Cities People:
Boulder, CO vs Hilo, HI

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Highlights
- Hilo is 0% more densely populated than Boulder.
- People are 41.4% more likely to be married in Hilo.
- The Median Age is 11.0 years older in Hilo.
 Boulder, COHilo, HIUnited States
 Population  Unlock46,559329,725,481
 Female Population48.5%  Unlock50.5%
 Male Population51.5%  Unlock49.5%
 Median Age  Unlock39.938.4
 space3
 Population - 201097,724  Unlock309,327,143
 Population - 2000  Unlock40,759285,036,114
 Population - 199083,312  Unlock251,960,433
 Pop. 2000 to Now  Unlock16.3%15.6%
 Pop. 1990 to Now29.2%  Unlock30.8%
 space4
 Population Density  Unlock872.193.4
 Land Area26.3  Unlock3,531,905.4
 Water Area  Unlock4.9264,836.8
 space
 Est. Total Population By Age
 Boulder, COHilo, HIUnited States
 Age 0 to 42.7%  Unlock5.9%
 Age 5 to 9  Unlock6.5%6.1%
 Age 10 to 143.6%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 2016.2%  Unlock4.0%
 Age 21 to 24  Unlock4.9%5.2%
 Age 25 to 3416.3%  Unlock13.8%
 Age 35 to 44  Unlock11.9%12.9%
 Age 45 to 5410.3%  Unlock12.6%
 Age 55 to 59  Unlock5.5%6.7%
 Age 60 to 644.2%  Unlock6.3%
 Age 65 to 74  Unlock11.3%9.6%
 Age 75 to 843.1%  Unlock4.5%
 Age 85 and over  Unlock3.6%1.9%
 space1
 Race
 Boulder, COHilo, HIUnited States
 White78.3%  Unlock59.4%
 Black  Unlock0.7%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  Unlock12.8%18.4%
 space2
 Marriage & Family
 Boulder, COHilo, HIUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock43.6%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock54.8%50.2%
 Never Married56.1%  Unlock33.8%
 Divorced  Unlock10.1%10.8%
 Widowed2.5%  Unlock5.6%
 space5
 Household Size  Unlock2.802.60
 Households42,610  Unlock124,010,992
 Family Households  Unlock10,68180,755,759
     Married couple, w/children33.3%  Unlock30.5%
     Married couple, no children  Unlock42.6%42.9%
 Non Family Households25,269  Unlock43,255,233
     Single householder, w/children  Unlock18.7%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 Hilo    10 Reviews

If you’re looking at Hilo, then you’re likely being recruited in the medical or education fields. These are where the greatest needs of the community lie, and there are  More

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Over 4 years ago

I enjoyed living in Hawaii County for a number of years, most in Hilo. While Hilo has problems, they are few compared to mainland USA. I never experienced racism by  More

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Over 4 years ago

Too much racism from "native Hawaiians" who aren't actually natives. That keeps me from living in that paradise. I'm this is the "natives" goal.  More

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