2025 Compare Cities People:
Castle Rock, CO vs Libby, MT

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Highlights
- Libby is 0% more densely populated than Castle Rock.
- People are 28.1% less likely to be married in Libby.
- The Median Age is 14.4 years older in Libby.
 Castle Rock, COLibby, MTUnited States
 Population  Unlock2,745329,725,481
 Female Population50.4%  Unlock50.5%
 Male Population49.6%  Unlock49.5%
 Median Age  Unlock50.138.4
 space3
 Population - 201048,793  Unlock309,327,143
 Population - 2000  Unlock2,626285,036,114
 Population - 19908,708  Unlock251,960,433
 Pop. 2000 to Now  Unlock8.3%15.6%
 Pop. 1990 to Now710.4%  Unlock30.8%
 space4
 Population Density  Unlock1,465.693.4
 Land Area34.3  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Castle Rock, COLibby, MTUnited States
 Age 0 to 47.4%  Unlock5.9%
 Age 5 to 9  Unlock3.1%6.1%
 Age 10 to 147.2%  Unlock6.6%
 Age 15 to 17  Unlock6.6%3.9%
 Age 18 to 204.1%  Unlock4.0%
 Age 21 to 24  Unlock3.9%5.2%
 Age 25 to 3412.9%  Unlock13.8%
 Age 35 to 44  Unlock10.5%12.9%
 Age 45 to 5414.3%  Unlock12.6%
 Age 55 to 59  Unlock6.7%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock9.3%9.6%
 Age 75 to 843.0%  Unlock4.5%
 Age 85 and over  Unlock5.2%1.9%
 space1
 Race
 Castle Rock, COLibby, MTUnited States
 White81.6%  Unlock59.4%
 Black  Unlock0.4%12.2%
 Asian2.0%  Unlock5.6%
 Native American  Unlock4.5%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock6.1%18.4%
 space2
 Marriage & Family
 Castle Rock, COLibby, MTUnited States
 Married Population62.5%  Unlock49.8%
     Currently Married  Unlock42.2%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock55.0%50.2%
 Never Married24.5%  Unlock33.8%
 Divorced  Unlock12.0%10.8%
 Widowed3.0%  Unlock5.6%
 space5
 Household Size  Unlock1.942.60
 Households24,867  Unlock124,010,992
 Family Households  Unlock66580,755,759
     Married couple, w/children48.9%  Unlock30.5%
     Married couple, no children  Unlock60.9%42.9%
 Non Family Households5,755  Unlock43,255,233
     Single householder, w/children  Unlock16.2%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 Libby    4 Reviews

Please do not move to my back yard. Yes, it is very beautiful here, but is not an open invitation to move here. This town is a superfund site for asbestosis. The air is  More

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Libby is backed by a huge wilderness area that has gizzly bears, moose, elk, and all sorts of other wild creatures. North of the town of about 2500 where I live, I'm  More

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Over 16 years ago

I hesitate to give any info....to keep the community small, but it's going to get out none the less. The Libby area has more untouched and rarely traveled forests and  More

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