2025 Compare Cities People:
Castle Rock, CO vs Sun City, AZ

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Highlights
- Sun City is 0% more densely populated than Castle Rock.
- People are 14.1% less likely to be married in Sun City.
- The Median Age is 36.7 years older in Sun City.
 Castle Rock, COSun City, AZUnited States
 Population  Unlock37,693329,725,481
 Female Population50.4%  Unlock50.5%
 Male Population49.6%  Unlock49.5%
 Median Age  Unlock72.438.4
 space3
 Population - 201048,793  Unlock309,327,143
 Population - 2000  Unlock38,309285,036,114
 Population - 19908,708  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.7%15.6%
 Pop. 1990 to Now710.4%  Unlock30.8%
 space4
 Population Density  Unlock2,613.993.4
 Land Area34.3  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Castle Rock, COSun City, AZUnited States
 Age 0 to 47.4%  Unlock5.9%
 Age 5 to 9  Unlock0.2%6.1%
 Age 10 to 147.2%  Unlock6.6%
 Age 15 to 17  Unlock0.1%3.9%
 Age 18 to 204.1%  Unlock4.0%
 Age 21 to 24  Unlock0.4%5.2%
 Age 25 to 3412.9%  Unlock13.8%
 Age 35 to 44  Unlock1.9%12.9%
 Age 45 to 5414.3%  Unlock12.6%
 Age 55 to 59  Unlock5.4%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock34.9%9.6%
 Age 75 to 843.0%  Unlock4.5%
 Age 85 and over  Unlock12.2%1.9%
 space1
 Race
 Castle Rock, COSun City, AZUnited States
 White81.6%  Unlock59.4%
 Black  Unlock1.6%12.2%
 Asian2.0%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock4.5%18.4%
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 Marriage & Family
 Castle Rock, COSun City, AZUnited States
 Married Population62.5%  Unlock49.8%
     Currently Married  Unlock52.8%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock46.3%50.2%
 Never Married24.5%  Unlock33.8%
 Divorced  Unlock19.1%10.8%
 Widowed3.0%  Unlock5.6%
 space5
 Household Size  Unlock1.642.60
 Households24,867  Unlock124,010,992
 Family Households  Unlock10,98580,755,759
     Married couple, w/children48.9%  Unlock30.5%
     Married couple, no children  Unlock86.3%42.9%
 Non Family Households5,755  Unlock43,255,233
     Single householder, w/children  Unlock0.7%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 Sun City    9 Reviews

Over 11 years ago

We are so happy to live in Sun City. The Sun City Recreation Centers are available for use by all citizens who pay the yearly membership (required). There are many  More

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Over 15 years ago

Sun City, Arizona is a great place to live either year round or as a snow bird. Sun City has wonderful recreation centers (8 and counting) with over 150 clubs with  More

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Over 15 years ago

I lived in Payson, but moved away searching for some Culture, drama, & musicals. I really enjoyed the hiking, and ourdoors living in Payson. After I recuperated from  More

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