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2025 Compare Cities People:
Auburn, ME vs Boulder, CO

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Highlights
- Boulder is 0% more densely populated than Auburn.
- People are 28.4% less likely to be married in Boulder.
- The Median Age is 10.5 years younger in Boulder.
 Auburn, MEBoulder, COUnited States
 Population  Unlock104,930329,725,481
 Female Population52.1%  Unlock50.5%
 Male Population47.9%  Unlock49.5%
 Median Age  Unlock28.938.4
 space3
 Population - 201023,052  Unlock309,327,143
 Population - 2000  Unlock94,673285,036,114
 Population - 199024,309  Unlock251,960,433
 Pop. 2000 to Now  Unlock13.7%15.6%
 Pop. 1990 to Now-3.7%  Unlock30.8%
 space4
 Population Density  Unlock3,991.493.4
 Land Area59.3  Unlock3,531,905.4
 Water Area  Unlock1.0264,836.8
 space
 Est. Total Population By Age
 Auburn, MEBoulder, COUnited States
 Age 0 to 45.2%  Unlock5.9%
 Age 5 to 9  Unlock3.7%6.1%
 Age 10 to 147.0%  Unlock6.6%
 Age 15 to 17  Unlock2.5%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock13.8%5.2%
 Age 25 to 3412.8%  Unlock13.8%
 Age 35 to 44  Unlock10.3%12.9%
 Age 45 to 5412.6%  Unlock12.6%
 Age 55 to 59  Unlock4.5%6.7%
 Age 60 to 647.0%  Unlock6.3%
 Age 65 to 74  Unlock7.0%9.6%
 Age 75 to 844.3%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Auburn, MEBoulder, COUnited States
 White90.0%  Unlock59.4%
 Black  Unlock1.0%12.2%
 Asian0.7%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races5.1%  Unlock3.2%
 Hispanic  Unlock10.6%18.4%
 space2
 Marriage & Family
 Auburn, MEBoulder, COUnited States
 Married Population44.6%  Unlock49.8%
     Currently Married  Unlock31.2%48.0%
 Married but Separated0.2%  Unlock1.8%
 Single Population  Unlock68.1%50.2%
 Never Married35.7%  Unlock33.8%
 Divorced  Unlock9.5%10.8%
 Widowed6.4%  Unlock5.6%
 space5
 Household Size  Unlock2.212.60
 Households10,249  Unlock124,010,992
 Family Households  Unlock17,34180,755,759
     Married couple, w/children27.2%  Unlock30.5%
     Married couple, no children  Unlock47.4%42.9%
 Non Family Households4,599  Unlock43,255,233
     Single householder, w/children  Unlock10.8%15.8%
     Single householder, no children9.1%  Unlock10.8%
Voting
Reviews for Auburn    2 Reviews
Max · Lewiston, ME
Vacation for you - Taxation for Mainers
Over 17 years ago

I've lived in Maine 28 years. Maine is a beautiful state and Lewiston/Auburn (twin cites) are a nice area. Everything here. 4 seasons, clean air, best water in the  More

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Theresa · Auburn, ME
Quality of Life and Community
Over 17 years ago

Auburn is the residential-half of the twin cities of Lewiston-Auburn (L-A). Whereas Lewiston grew up around shoe, linen and other factories, Auburn claimed the suburbs  More

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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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Learn More About Auburn, Maine
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