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2025 Compare Cities People:
Castle Rock, CO vs New River, AZ

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Highlights
- New River is 0% more densely populated than Castle Rock.
- People are 1.9% more likely to be married in New River.
- The Median Age is 13.3 years older in New River.
 Castle Rock, CONew River, AZUnited States
 Population  Unlock17,731329,725,481
 Female Population50.4%  Unlock50.5%
 Male Population49.6%  Unlock49.5%
 Median Age  Unlock4938.4
 space3
 Population - 201048,793  Unlock309,327,143
 Population - 2000  Unlock10,740285,036,114
 Population - 19908,708  Unlock251,960,433
 Pop. 2000 to Now  Unlock51.6%15.6%
 Pop. 1990 to Now710.4%  Unlock30.8%
 space4
 Population Density  Unlock315.993.4
 Land Area34.3  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Castle Rock, CONew River, AZUnited States
 Age 0 to 47.4%  Unlock5.9%
 Age 5 to 9  Unlock4.8%6.1%
 Age 10 to 147.2%  Unlock6.6%
 Age 15 to 17  Unlock4.5%3.9%
 Age 18 to 204.1%  Unlock4.0%
 Age 21 to 24  Unlock2.6%5.2%
 Age 25 to 3412.9%  Unlock13.8%
 Age 35 to 44  Unlock11.1%12.9%
 Age 45 to 5414.3%  Unlock12.6%
 Age 55 to 59  Unlock12.2%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock13.8%9.6%
 Age 75 to 843.0%  Unlock4.5%
 Age 85 and over  Unlock0.8%1.9%
 space1
 Race
 Castle Rock, CONew River, AZUnited States
 White81.6%  Unlock59.4%
 Black  Unlock1.0%12.2%
 Asian2.0%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock8.3%18.4%
 space2
 Marriage & Family
 Castle Rock, CONew River, AZUnited States
 Married Population62.5%  Unlock49.8%
     Currently Married  Unlock63.6%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock36.3%50.2%
 Never Married24.5%  Unlock33.8%
 Divorced  Unlock13.9%10.8%
 Widowed3.0%  Unlock5.6%
 space5
 Household Size  Unlock2.592.60
 Households24,867  Unlock124,010,992
 Family Households  Unlock4,95980,755,759
     Married couple, w/children48.9%  Unlock30.5%
     Married couple, no children  Unlock56.0%42.9%
 Non Family Households5,755  Unlock43,255,233
     Single householder, w/children  Unlock4.1%15.8%
     Single householder, no children5.1%  Unlock10.8%
Voting
Reviews for Castle Rock    12 Reviews
Jerry · Castle Pines North, CO
Beautiful Town but Not the Best for Young Adults
Over 5 years ago

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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Ben · Castle Rock, CO
The Unforgettable Sunset
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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charlie · Castle Rock, CO
mountains of enjoyment
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 New River    3 Reviews
Renee · New River, AZ
Clean air
Over 8 years ago

Air quality should be the most important part of where you decide to live. New River is smog  More

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LizDobbins  · New River, AZ
New River is a Beautiful Place to Live
Over 9 years ago

As New River resident and Realtor® for 14 years there are many reasons why I love calling New River home: the fresh air, the mountain views, the wildlife, the starry  More

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Glenn · Dania, FL
safe neighborhood
Over 12 years ago

thinking of moving and retiring in New River from  More

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Learn More About Castle Rock, Colorado
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