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2025 Compare Cities People:
Castle Pines, CO vs Santa Monica, CA

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Highlights
- Santa Monica is 0% more densely populated than Castle Pines.
- People are 38.6% less likely to be married in Santa Monica.
- The Median Age is 1.8 years younger in Santa Monica.
 Castle Pines, COSanta Monica, CAUnited States
 Population  Unlock92,828329,725,481
 Female Population49.8%  Unlock50.5%
 Male Population50.2%  Unlock49.5%
 Median Age  Unlock41.438.4
 space3
 Population - 201010,368  Unlock309,327,143
 Population - 2000  Unlock84,084285,036,114
 Population - 1990554  Unlock251,960,433
 Pop. 2000 to Now  Unlock7.1%15.6%
 Pop. 1990 to Now2,005.4%  Unlock30.8%
 space4
 Population Density  Unlock11,031.393.4
 Land Area9.6  Unlock3,531,905.4
 Water Area  Unlock7.6264,836.8
 space
 Est. Total Population By Age
 Castle Pines, COSanta Monica, CAUnited States
 Age 0 to 43.7%  Unlock5.9%
 Age 5 to 9  Unlock3.7%6.1%
 Age 10 to 148.5%  Unlock6.6%
 Age 15 to 17  Unlock2.6%3.9%
 Age 18 to 204.2%  Unlock4.0%
 Age 21 to 24  Unlock3.8%5.2%
 Age 25 to 347.6%  Unlock13.8%
 Age 35 to 44  Unlock15.2%12.9%
 Age 45 to 5419.1%  Unlock12.6%
 Age 55 to 59  Unlock6.9%6.7%
 Age 60 to 644.5%  Unlock6.3%
 Age 65 to 74  Unlock10.0%9.6%
 Age 75 to 843.3%  Unlock4.5%
 Age 85 and over  Unlock3.1%1.9%
 space1
 Race
 Castle Pines, COSanta Monica, CAUnited States
 White82.4%  Unlock59.4%
 Black  Unlock4.4%12.2%
 Asian5.3%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.5%  Unlock0.2%
 Other  Unlock0.9%0.4%
 Two or More Races2.3%  Unlock3.2%
 Hispanic  Unlock16.6%18.4%
 space2
 Marriage & Family
 Castle Pines, COSanta Monica, CAUnited States
 Married Population65.8%  Unlock49.8%
     Currently Married  Unlock39.2%48.0%
 Married but Separated0.8%  Unlock1.8%
 Single Population  Unlock59.6%50.2%
 Never Married24.5%  Unlock33.8%
 Divorced  Unlock12.1%10.8%
 Widowed2.3%  Unlock5.6%
 space5
 Household Size  Unlock1.962.60
 Households3,747  Unlock124,010,992
 Family Households  Unlock19,38280,755,759
     Married couple, w/children45.0%  Unlock30.5%
     Married couple, no children  Unlock47.5%42.9%
 Non Family Households478  Unlock43,255,233
     Single householder, w/children  Unlock11.9%15.8%
     Single householder, no children4.3%  Unlock10.8%
Voting
Reviews for Castle Pines    2 Reviews
David · Castle Rock, CO
Castle Pines Village
Over 14 years ago

Great place to  More

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Lori · Castle Rock, CO
The best weather in the US, maybe even in the worl
Over 16 years ago

The weather in this part of CO is absolutely wonderful. This is largely due to the altitude and lack of humidity. It can be 32 degrees and not feel cold. One day may  More

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Reviews for Santa Monica    24 Reviews
Renee · Santa Monica, CA
My comp of Okc vs SM differs from stars shown here
Over 4 years ago

I moved here to Santa Monica over 10 years ago from Oklahoma City. I was surprised to see that Oklahoma City was ranked higher than Santa Monica on best places. I  More

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Cynthia · Santa Monica, CA
Best investment I've made.
Over 4 years ago

I've lived in Santa Monica for over 30 years. It's a Mediterranean climate--sunny and temperate when the rest of the country is under snow! I am walking distance to  More

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John · Santa Monica, CA
Stay away. This place is dangerous.
Over 6 years ago

I have lived in this city for 4 decades, and it is never been worse than it is now. It is a dangerous disgusting hell hole. Between the crime, the homeless that are not  More

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Learn More About Castle Pines, Colorado
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