2025 Compare Cities People:
Ellicott City, MD vs Castle Rock, CO

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Highlights
- Castle Rock is 0% more densely populated than Ellicott City.
- People are 2.4% less likely to be married in Castle Rock.
- The Median Age is 6.1 years younger in Castle Rock.
 Ellicott City, MDCastle Rock, COUnited States
 Population  Unlock71,037329,725,481
 Female Population51.2%  Unlock50.5%
 Male Population48.8%  Unlock49.5%
 Median Age  Unlock35.738.4
 space3
 Population - 201064,970  Unlock309,327,143
 Population - 2000  Unlock20,224285,036,114
 Population - 199041,396  Unlock251,960,433
 Pop. 2000 to Now  Unlock248.9%15.6%
 Pop. 1990 to Now82.6%  Unlock30.8%
 space4
 Population Density  Unlock2,073.293.4
 Land Area30.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Ellicott City, MDCastle Rock, COUnited States
 Age 0 to 45.1%  Unlock5.9%
 Age 5 to 9  Unlock8.2%6.1%
 Age 10 to 148.7%  Unlock6.6%
 Age 15 to 17  Unlock5.3%3.9%
 Age 18 to 203.2%  Unlock4.0%
 Age 21 to 24  Unlock3.6%5.2%
 Age 25 to 348.0%  Unlock13.8%
 Age 35 to 44  Unlock16.2%12.9%
 Age 45 to 5415.3%  Unlock12.6%
 Age 55 to 59  Unlock6.1%6.7%
 Age 60 to 645.8%  Unlock6.3%
 Age 65 to 74  Unlock6.1%9.6%
 Age 75 to 844.3%  Unlock4.5%
 Age 85 and over  Unlock1.0%1.9%
 space1
 Race
 Ellicott City, MDCastle Rock, COUnited States
 White52.6%  Unlock59.4%
 Black  Unlock0.5%12.2%
 Asian29.6%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races4.4%  Unlock3.2%
 Hispanic  Unlock11.0%18.4%
 space2
 Marriage & Family
 Ellicott City, MDCastle Rock, COUnited States
 Married Population64.0%  Unlock49.8%
     Currently Married  Unlock61.8%48.0%
 Married but Separated1.0%  Unlock1.8%
 Single Population  Unlock37.5%50.2%
 Never Married24.7%  Unlock33.8%
 Divorced  Unlock10.0%10.8%
 Widowed4.9%  Unlock5.6%
 space5
 Household Size  Unlock2.832.60
 Households26,737  Unlock124,010,992
 Family Households  Unlock19,11280,755,759
     Married couple, w/children45.2%  Unlock30.5%
     Married couple, no children  Unlock37.4%42.9%
 Non Family Households6,277  Unlock43,255,233
     Single householder, w/children  Unlock8.6%15.8%
     Single householder, no children5.8%  Unlock10.8%
Reviews for Ellicott City    4 Reviews

Over 12 years ago

Ellicott City has many great  More

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Plenty of jobs in Washington, DC. and Baltimore areas. Low unemployment. Education and recreation is a top priority with most families here. Relatively high standard of  More

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Over 18 years ago

Ellicott City, MD is west of Baltimore City, north of Washington, DC, east of Frederick, MD. We are close to BWI, and DC airports. There are a couple of big malls for  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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