2025 Compare Cities People:
Castle Pines, CO vs Keystone, CO

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Highlights
- Keystone is 0% more densely populated than Castle Pines.
- People are 72.4% less likely to be married in Keystone.
- The Median Age is 9.2 years younger in Keystone.
 Castle Pines, COKeystone, COUnited States
 Population  Unlock611329,725,481
 Female Population49.8%  Unlock50.5%
 Male Population50.2%  Unlock49.5%
 Median Age  Unlock3438.4
 space3
 Population - 201010,368  Unlock309,327,143
 Population - 2000  Unlock825285,036,114
 Population - 1990554  Unlock251,960,433
 Pop. 2000 to Now  Unlock46.6%15.6%
 Pop. 1990 to Now2,005.4%  Unlock30.8%
 space4
 Population Density  Unlock14.893.4
 Land Area9.6  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Castle Pines, COKeystone, COUnited States
 Age 0 to 43.7%  Unlock5.9%
 Age 5 to 9  Unlock0.0%6.1%
 Age 10 to 148.5%  Unlock6.6%
 Age 15 to 17  Unlock0.0%3.9%
 Age 18 to 204.2%  Unlock4.0%
 Age 21 to 24  Unlock30.4%5.2%
 Age 25 to 347.6%  Unlock13.8%
 Age 35 to 44  Unlock18.8%12.9%
 Age 45 to 5419.1%  Unlock12.6%
 Age 55 to 59  Unlock0.0%6.7%
 Age 60 to 644.5%  Unlock6.3%
 Age 65 to 74  Unlock5.4%9.6%
 Age 75 to 843.3%  Unlock4.5%
 Age 85 and over  Unlock0.0%1.9%
 space1
 Race
 Castle Pines, COKeystone, COUnited States
 White82.4%  Unlock59.4%
 Black  Unlock3.3%12.2%
 Asian5.3%  Unlock5.6%
 Native American  Unlock6.7%0.6%
 Hawaiian, Pacific Islander0.5%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.3%  Unlock3.2%
 Hispanic  Unlock39.1%18.4%
 space2
 Marriage & Family
 Castle Pines, COKeystone, COUnited States
 Married Population65.8%  Unlock49.8%
     Currently Married  Unlock13.9%48.0%
 Married but Separated0.8%  Unlock1.8%
 Single Population  Unlock81.8%50.2%
 Never Married24.5%  Unlock33.8%
 Divorced  Unlock27.8%10.8%
 Widowed2.3%  Unlock5.6%
 space5
 Household Size  Unlock1.372.60
 Households3,747  Unlock124,010,992
 Family Households  Unlock2980,755,759
     Married couple, w/children45.0%  Unlock30.5%
     Married couple, no children  Unlock100.0%42.9%
 Non Family Households478  Unlock43,255,233
     Single householder, w/children  Unlock0.0%15.8%
     Single householder, no children4.3%  Unlock10.8%
Reviews for Castle Pines    2 Reviews

Over 14 years ago

Great place to  More

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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 Keystone    1 Reviews

Overall, decent place to live, but be prepared to live side-by-side with "tourists" from around the U.S.--often from Texas and California. This means, except for a  More

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