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2025 Compare Cities People:
Centennial, CO vs Rockville, MD

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Highlights
- Rockville is 0% more densely populated than Centennial.
- People are 10.9% less likely to be married in Rockville.
- The Median Age is 2.2 years younger in Rockville.
 Centennial, CORockville, MDUnited States
 Population  Unlock67,095329,725,481
 Female Population49.6%  Unlock50.5%
 Male Population50.4%  Unlock49.5%
 Median Age  Unlock39.238.4
 space3
 Population - 2010100,294  Unlock309,327,143
 Population - 2000  Unlock47,388285,036,114
 Population - 199081,946  Unlock251,960,433
 Pop. 2000 to Now  Unlock46.7%15.6%
 Pop. 1990 to Now34.4%  Unlock30.8%
 space4
 Population Density  Unlock4,936.093.4
 Land Area29.6  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Centennial, CORockville, MDUnited States
 Age 0 to 45.4%  Unlock5.9%
 Age 5 to 9  Unlock6.0%6.1%
 Age 10 to 147.4%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 202.8%  Unlock4.0%
 Age 21 to 24  Unlock4.5%5.2%
 Age 25 to 3411.3%  Unlock13.8%
 Age 35 to 44  Unlock15.2%12.9%
 Age 45 to 5413.6%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 647.2%  Unlock6.3%
 Age 65 to 74  Unlock9.0%9.6%
 Age 75 to 844.3%  Unlock4.5%
 Age 85 and over  Unlock2.6%1.9%
 space1
 Race
 Centennial, CORockville, MDUnited States
 White78.0%  Unlock59.4%
 Black  Unlock10.1%12.2%
 Asian5.9%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock1.1%0.4%
 Two or More Races3.6%  Unlock3.2%
 Hispanic  Unlock16.0%18.4%
 space2
 Marriage & Family
 Centennial, CORockville, MDUnited States
 Married Population60.2%  Unlock49.8%
     Currently Married  Unlock52.2%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock46.4%50.2%
 Never Married25.1%  Unlock33.8%
 Divorced  Unlock9.4%10.8%
 Widowed3.8%  Unlock5.6%
 space5
 Household Size  Unlock2.502.60
 Households40,344  Unlock124,010,992
 Family Households  Unlock17,03980,755,759
     Married couple, w/children36.2%  Unlock30.5%
     Married couple, no children  Unlock41.4%42.9%
 Non Family Households10,365  Unlock43,255,233
     Single householder, w/children  Unlock12.7%15.8%
     Single householder, no children6.8%  Unlock10.8%
Voting
Reviews for Centennial    2 Reviews
Lori · Littleton, CO
Excellent Schools
Over 9 years ago

All the schools are excellent. We have both Littleton Public Schools and Cherry Creek Schools. Top Notch - College Prep - Commitment to  More

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Amy Zukowski, Realtor · Aurora, CO
Centennial CO - Amazing Schools, Easy Commute to B
Over 11 years ago

The Centennial/Aurora area (zip code 80015) has great schools (Cherry Creek School District), attractive homes, family oriented neighborhoods, and is an easy commute To  More

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Reviews for Rockville    17 Reviews
SHA.1974 · Rockville, MD
If you are NOT WHITE don’t move here!
Over 5 years ago

From MY PERSONAL EXPERIENCE to many other people's comments and experiences: - The DC Metropolitan area (Maryland, DC, and Virginia) have an intense white supremacy /  More

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Hello · Dallas, TX
Pretty Awesome - depending on what you want
Over 6 years ago

Having practically grown up here, it is fair to think I am biased. Before making assumptions about my opinion, though, I've lived in multiple cities in these states -  More

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Alison · Rockville, MD
N/A
Over 10 years ago

No comment at this  More

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Learn More About Centennial, Colorado
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