2025 Compare Cities People:
Rancho Cucamonga, CA vs Castle Rock, CO

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Highlights
- Castle Rock is 0% more densely populated than Rancho Cucamonga.
- People are 17.5% more likely to be married in Castle Rock.
- The Median Age is 1.2 years younger in Castle Rock.
 Rancho Cucamonga, CACastle Rock, COUnited States
 Population  Unlock71,037329,725,481
 Female Population50.6%  Unlock50.5%
 Male Population49.4%  Unlock49.5%
 Median Age  Unlock35.738.4
 space3
 Population - 2010166,361  Unlock309,327,143
 Population - 2000  Unlock20,224285,036,114
 Population - 1990101,409  Unlock251,960,433
 Pop. 2000 to Now  Unlock248.9%15.6%
 Pop. 1990 to Now76.4%  Unlock30.8%
 space4
 Population Density  Unlock2,073.293.4
 Land Area40.1  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Rancho Cucamonga, CACastle Rock, COUnited States
 Age 0 to 47.2%  Unlock5.9%
 Age 5 to 9  Unlock8.2%6.1%
 Age 10 to 147.0%  Unlock6.6%
 Age 15 to 17  Unlock5.3%3.9%
 Age 18 to 203.4%  Unlock4.0%
 Age 21 to 24  Unlock3.6%5.2%
 Age 25 to 3415.5%  Unlock13.8%
 Age 35 to 44  Unlock16.2%12.9%
 Age 45 to 5414.4%  Unlock12.6%
 Age 55 to 59  Unlock6.1%6.7%
 Age 60 to 646.4%  Unlock6.3%
 Age 65 to 74  Unlock6.1%9.6%
 Age 75 to 843.2%  Unlock4.5%
 Age 85 and over  Unlock1.0%1.9%
 space1
 Race
 Rancho Cucamonga, CACastle Rock, COUnited States
 White33.6%  Unlock59.4%
 Black  Unlock0.5%12.2%
 Asian14.5%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock11.0%18.4%
 space2
 Marriage & Family
 Rancho Cucamonga, CACastle Rock, COUnited States
 Married Population53.2%  Unlock49.8%
     Currently Married  Unlock61.8%48.0%
 Married but Separated1.9%  Unlock1.8%
 Single Population  Unlock37.5%50.2%
 Never Married32.4%  Unlock33.8%
 Divorced  Unlock10.0%10.8%
 Widowed4.5%  Unlock5.6%
 space5
 Household Size  Unlock2.832.60
 Households56,380  Unlock124,010,992
 Family Households  Unlock19,11280,755,759
     Married couple, w/children32.7%  Unlock30.5%
     Married couple, no children  Unlock37.4%42.9%
 Non Family Households13,168  Unlock43,255,233
     Single householder, w/children  Unlock8.6%15.8%
     Single householder, no children13.0%  Unlock10.8%
Reviews for Rancho Cucamonga    11 Reviews

I lived in rancho for a few years and I felt safe the city was clean every thing was at your finger tips Walmart target lots of fast foods  More

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Full of Republicans I hate the city I’m moving to Palm Springs the people here are ridiculous caring Trump flags making fun of me in the city a bunch of Lunitics.  More

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Over 12 years ago

Of all the homes or places of where I lived throughout my lifetime, I especially remember Rancho Cucamunga, CA. But this city's name when I was there was Alta Loma, and  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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