2025 Compare Cities People:
Chesterfield, MO vs Boulder, CO

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Highlights
- Boulder is 0% more densely populated than Chesterfield.
- People are 50.2% less likely to be married in Boulder.
- The Median Age is 17.5 years younger in Boulder.
 Chesterfield, MOBoulder, COUnited States
 Population  Unlock104,930329,725,481
 Female Population51.7%  Unlock50.5%
 Male Population48.3%  Unlock49.5%
 Median Age  Unlock28.938.4
 space3
 Population - 201047,490  Unlock309,327,143
 Population - 2000  Unlock94,673285,036,114
 Population - 199037,991  Unlock251,960,433
 Pop. 2000 to Now  Unlock13.7%15.6%
 Pop. 1990 to Now25.2%  Unlock30.8%
 space4
 Population Density  Unlock3,991.493.4
 Land Area31.9  Unlock3,531,905.4
 Water Area  Unlock1.0264,836.8
 space
 Est. Total Population By Age
 Chesterfield, MOBoulder, COUnited States
 Age 0 to 45.6%  Unlock5.9%
 Age 5 to 9  Unlock3.7%6.1%
 Age 10 to 145.9%  Unlock6.6%
 Age 15 to 17  Unlock2.5%3.9%
 Age 18 to 202.4%  Unlock4.0%
 Age 21 to 24  Unlock13.8%5.2%
 Age 25 to 348.3%  Unlock13.8%
 Age 35 to 44  Unlock10.3%12.9%
 Age 45 to 5414.1%  Unlock12.6%
 Age 55 to 59  Unlock4.5%6.7%
 Age 60 to 647.8%  Unlock6.3%
 Age 65 to 74  Unlock7.0%9.6%
 Age 75 to 847.2%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Chesterfield, MOBoulder, COUnited States
 White75.3%  Unlock59.4%
 Black  Unlock1.0%12.2%
 Asian13.2%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races4.8%  Unlock3.2%
 Hispanic  Unlock10.6%18.4%
 space2
 Marriage & Family
 Chesterfield, MOBoulder, COUnited States
 Married Population64.1%  Unlock49.8%
     Currently Married  Unlock31.2%48.0%
 Married but Separated0.6%  Unlock1.8%
 Single Population  Unlock68.1%50.2%
 Never Married21.3%  Unlock33.8%
 Divorced  Unlock9.5%10.8%
 Widowed6.9%  Unlock5.6%
 space5
 Household Size  Unlock2.212.60
 Households20,254  Unlock124,010,992
 Family Households  Unlock17,34180,755,759
     Married couple, w/children36.3%  Unlock30.5%
     Married couple, no children  Unlock47.4%42.9%
 Non Family Households6,057  Unlock43,255,233
     Single householder, w/children  Unlock10.8%15.8%
     Single householder, no children4.3%  Unlock10.8%
Reviews for Chesterfield    7 Reviews

I've lived in St. Louis for roughly ten years and I grew up in the surrounding area. I do not recommend St. Louis to live for two reasons: crime and the weather. A lot  More

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Over 17 years ago

The climate in Chesterfield is moderate winters, hot humid summers. The best season is spring and the worst season is winter. The worst problem with the climate in  More

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Over 17 years ago

The good things about Chesterfield are relatively inexpensive cost combined with many things to do in the area and proximity to an airport. Unlike many areas growing  More

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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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