2025 Compare Cities People:
Castle Rock, CO vs Alamosa, CO

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Highlights
- Alamosa is 0% more densely populated than Castle Rock.
- People are 42.0% less likely to be married in Alamosa.
- The Median Age is 7.0 years younger in Alamosa.
 Castle Rock, COAlamosa, COUnited States
 Population  Unlock9,704329,725,481
 Female Population50.4%  Unlock50.5%
 Male Population49.6%  Unlock49.5%
 Median Age  Unlock28.738.4
 space3
 Population - 201048,793  Unlock309,327,143
 Population - 2000  Unlock7,960285,036,114
 Population - 19908,708  Unlock251,960,433
 Pop. 2000 to Now  Unlock17.7%15.6%
 Pop. 1990 to Now710.4%  Unlock30.8%
 space4
 Population Density  Unlock1,304.093.4
 Land Area34.3  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Castle Rock, COAlamosa, COUnited States
 Age 0 to 47.4%  Unlock5.9%
 Age 5 to 9  Unlock5.1%6.1%
 Age 10 to 147.2%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 204.1%  Unlock4.0%
 Age 21 to 24  Unlock9.7%5.2%
 Age 25 to 3412.9%  Unlock13.8%
 Age 35 to 44  Unlock13.1%12.9%
 Age 45 to 5414.3%  Unlock12.6%
 Age 55 to 59  Unlock4.8%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock6.4%9.6%
 Age 75 to 843.0%  Unlock4.5%
 Age 85 and over  Unlock1.2%1.9%
 space1
 Race
 Castle Rock, COAlamosa, COUnited States
 White81.6%  Unlock59.4%
 Black  Unlock0.8%12.2%
 Asian2.0%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock56.3%18.4%
 space2
 Marriage & Family
 Castle Rock, COAlamosa, COUnited States
 Married Population62.5%  Unlock49.8%
     Currently Married  Unlock35.1%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock63.8%50.2%
 Never Married24.5%  Unlock33.8%
 Divorced  Unlock13.5%10.8%
 Widowed3.0%  Unlock5.6%
 space5
 Household Size  Unlock2.242.60
 Households24,867  Unlock124,010,992
 Family Households  Unlock2,00980,755,759
     Married couple, w/children48.9%  Unlock30.5%
     Married couple, no children  Unlock31.9%42.9%
 Non Family Households5,755  Unlock43,255,233
     Single householder, w/children  Unlock20.5%15.8%
     Single householder, no children5.1%  Unlock10.8%
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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Reviews for Alamosa    5 Reviews

Rating 1 out of 5 This place is absolutely Crawling with meth and heroin addicts. They roam the streets, they constantly knock on your door asking for rides and money.  More

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If want to retire in a nice, quiet place where you can live in isolation, you have a steady stream of income from an outside source, you don't have anything valuable  More

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Over 12 years ago

Honestly Alamosa is probably the worst place ever..It sucks..Especially being African-American here..The people show signs of racism which is confusing to me seeing that  More

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