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2025 Compare Cities People:
Boulder, CO vs Washington, DC

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Highlights
- Washington is 0% more densely populated than Boulder.
- People are 2.0% more likely to be married in Washington.
- The Median Age is 5.4 years older in Washington.
 Boulder, COWashington, DCUnited States
 Population  Unlock683,154329,725,481
 Female Population48.5%  Unlock50.5%
 Male Population51.5%  Unlock49.5%
 Median Age  Unlock34.338.4
 space3
 Population - 201097,724  Unlock309,327,143
 Population - 2000  Unlock572,059285,036,114
 Population - 199083,312  Unlock251,960,433
 Pop. 2000 to Now  Unlock24.6%15.6%
 Pop. 1990 to Now29.2%  Unlock30.8%
 space4
 Population Density  Unlock11,174.393.4
 Land Area26.3  Unlock3,531,905.4
 Water Area  Unlock7.2264,836.8
 space
 Est. Total Population By Age
 Boulder, COWashington, DCUnited States
 Age 0 to 42.7%  Unlock5.9%
 Age 5 to 9  Unlock5.1%6.1%
 Age 10 to 143.6%  Unlock6.6%
 Age 15 to 17  Unlock2.3%3.9%
 Age 18 to 2016.2%  Unlock4.0%
 Age 21 to 24  Unlock5.8%5.2%
 Age 25 to 3416.3%  Unlock13.8%
 Age 35 to 44  Unlock15.6%12.9%
 Age 45 to 5410.3%  Unlock12.6%
 Age 55 to 59  Unlock5.2%6.7%
 Age 60 to 644.2%  Unlock6.3%
 Age 65 to 74  Unlock7.2%9.6%
 Age 75 to 843.1%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
 space1
 Race
 Boulder, COWashington, DCUnited States
 White78.3%  Unlock59.4%
 Black  Unlock43.9%12.2%
 Asian5.9%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock11.3%18.4%
 space2
 Marriage & Family
 Boulder, COWashington, DCUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock30.9%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock67.4%50.2%
 Never Married56.1%  Unlock33.8%
 Divorced  Unlock8.2%10.8%
 Widowed2.5%  Unlock5.6%
 space5
 Household Size  Unlock2.082.60
 Households42,610  Unlock124,010,992
 Family Households  Unlock131,19680,755,759
     Married couple, w/children33.3%  Unlock30.5%
     Married couple, no children  Unlock36.8%42.9%
 Non Family Households25,269  Unlock43,255,233
     Single householder, w/children  Unlock22.8%15.8%
     Single householder, no children8.5%  Unlock10.8%
Voting
Reviews for Boulder    55 Reviews
Guess · Boulder, CO
Expensive and requires liking a unique culture
Over 4 years ago

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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Linda · Boulder, CO
I love it here! Such a beautiful and friendly city
Over 5 years ago

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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H · Denver, CO
Snob says it's ok
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 Washington    97 Reviews
JOHN · Arlington, VA
The worst
Over 4 years ago

Living in DC long term brings on a kind of insidious misery. A long, slow, simmering down of any natural optimism or desire for a better future. It’s a leach of a town  More

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P · Los Angeles, CA
It was time to leave.
Over 5 years ago

Parts are beautiful but alot is rundown and ghetto. They always show the monuments and upper nw neighborhoods but never show hoods across the Anacostia River. Crime is  More

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Fritz · Alexandria, VA
Great town with it's challenges
Over 6 years ago

Moved to DC 40 years ago from Mpls-St. Paul. DC is an amazing town. Downside is people are very competitive, everything is expensive. Great restaurants, foodie heaven  More

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Learn More About Boulder, Colorado
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