2025 Compare Cities People:
Boulder, CO vs Delaware, OH

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Highlights
- Delaware is 0% more densely populated than Boulder.
- People are 65.7% more likely to be married in Delaware.
- The Median Age is 7.3 years older in Delaware.
 Boulder, CODelaware, OHUnited States
 Population  Unlock41,004329,725,481
 Female Population48.5%  Unlock50.5%
 Male Population51.5%  Unlock49.5%
 Median Age  Unlock36.238.4
 space3
 Population - 201097,724  Unlock309,327,143
 Population - 2000  Unlock25,243285,036,114
 Population - 199083,312  Unlock251,960,433
 Pop. 2000 to Now  Unlock68.8%15.6%
 Pop. 1990 to Now29.2%  Unlock30.8%
 space4
 Population Density  Unlock2,128.893.4
 Land Area26.3  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Boulder, CODelaware, OHUnited 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  Unlock3.3%3.9%
 Age 18 to 2016.2%  Unlock4.0%
 Age 21 to 24  Unlock5.5%5.2%
 Age 25 to 3416.3%  Unlock13.8%
 Age 35 to 44  Unlock16.2%12.9%
 Age 45 to 5410.3%  Unlock12.6%
 Age 55 to 59  Unlock4.7%6.7%
 Age 60 to 644.2%  Unlock6.3%
 Age 65 to 74  Unlock8.1%9.6%
 Age 75 to 843.1%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Boulder, CODelaware, OHUnited States
 White78.3%  Unlock59.4%
 Black  Unlock4.9%12.2%
 Asian5.9%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock3.5%18.4%
 space2
 Marriage & Family
 Boulder, CODelaware, OHUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock51.8%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock47.1%50.2%
 Never Married56.1%  Unlock33.8%
 Divorced  Unlock10.2%10.8%
 Widowed2.5%  Unlock5.6%
 space5
 Household Size  Unlock2.482.60
 Households42,610  Unlock124,010,992
 Family Households  Unlock10,57680,755,759
     Married couple, w/children33.3%  Unlock30.5%
     Married couple, no children  Unlock37.8%42.9%
 Non Family Households25,269  Unlock43,255,233
     Single householder, w/children  Unlock11.9%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 Delaware    6 Reviews

Over 9 years ago

The crime in Delaware is mix. Delaware like the rest of the country has an Heroin Epidemic. sadly there is an obituary in the town paper of someone who overdosed.   More

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Over 14 years ago

Delaware Ohio is a really great small town where old cars can cruise Sandusky St during the annual car show while families stroll along the street eating ice cream. The  More

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Over 17 years ago

Delaware county is very diversified - city and country. Huge shopping mall and small antique shops. Extremes on both ends of almost everythig and everything in the  More

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