2025 Compare Cities People:
Custer, SD vs Castle Rock, CO

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Highlights
- Castle Rock is 0% more densely populated than Custer.
- People are 14.9% more likely to be married in Castle Rock.
- The Median Age is 21.4 years younger in Castle Rock.
 Custer, SDCastle Rock, COUnited States
 Population  Unlock71,037329,725,481
 Female Population51.8%  Unlock50.5%
 Male Population48.2%  Unlock49.5%
 Median Age  Unlock35.738.4
 space3
 Population - 20102,015  Unlock309,327,143
 Population - 2000  Unlock20,224285,036,114
 Population - 19901,741  Unlock251,960,433
 Pop. 2000 to Now  Unlock248.9%15.6%
 Pop. 1990 to Now10.6%  Unlock30.8%
 space4
 Population Density  Unlock2,073.293.4
 Land Area2.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Custer, SDCastle Rock, COUnited States
 Age 0 to 44.0%  Unlock5.9%
 Age 5 to 9  Unlock8.2%6.1%
 Age 10 to 143.8%  Unlock6.6%
 Age 15 to 17  Unlock5.3%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock3.6%5.2%
 Age 25 to 346.6%  Unlock13.8%
 Age 35 to 44  Unlock16.2%12.9%
 Age 45 to 5413.5%  Unlock12.6%
 Age 55 to 59  Unlock6.1%6.7%
 Age 60 to 649.3%  Unlock6.3%
 Age 65 to 74  Unlock6.1%9.6%
 Age 75 to 8412.5%  Unlock4.5%
 Age 85 and over  Unlock1.0%1.9%
 space1
 Race
 Custer, SDCastle Rock, COUnited States
 White86.5%  Unlock59.4%
 Black  Unlock0.5%12.2%
 Asian0.4%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races1.1%  Unlock3.2%
 Hispanic  Unlock11.0%18.4%
 space2
 Marriage & Family
 Custer, SDCastle Rock, COUnited States
 Married Population54.4%  Unlock49.8%
     Currently Married  Unlock61.8%48.0%
 Married but Separated0.0%  Unlock1.8%
 Single Population  Unlock37.5%50.2%
 Never Married20.8%  Unlock33.8%
 Divorced  Unlock10.0%10.8%
 Widowed8.4%  Unlock5.6%
 space5
 Household Size  Unlock2.832.60
 Households977  Unlock124,010,992
 Family Households  Unlock19,11280,755,759
     Married couple, w/children13.9%  Unlock30.5%
     Married couple, no children  Unlock37.4%42.9%
 Non Family Households351  Unlock43,255,233
     Single householder, w/children  Unlock8.6%15.8%
     Single householder, no children8.1%  Unlock10.8%
Reviews for Custer    1 Reviews

We retired and moved to the country so I could live my dream of breeding horses. Country living takes a period of adjustment, but I love country living, and it would be  More

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Reviews for Castle Rock    12 Reviews

My fiance and I moved here in 2018 shortly after finishing college. I work in Colorado Springs and she works in the Denver area, so Castle Rock was practically our only  More

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Over 7 years ago

I have always been mobile for my career, until I moved to Castle Rock. I've lived in in multiple cities in the Midwest including Chicago and have visited nearly every  More

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Over 11 years ago

we have four seasons, and the rockies are only two hrs.away. so for the outdoors enthusist sking or hiking is like no other place you have been or seen it is hard to  More

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