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2025 Compare Cities People:
Gillette, WY vs Centennial, CO

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Highlights
- Centennial is 0% more densely populated than Gillette.
- People are 2.2% more likely to be married in Centennial.
- The Median Age is 9.1 years older in Centennial.
 Gillette, WYCentennial, COUnited States
 Population  Unlock107,972329,725,481
 Female Population48.2%  Unlock50.5%
 Male Population51.8%  Unlock49.5%
 Median Age  Unlock41.438.4
 space3
 Population - 201031,558  Unlock309,327,143
 Population - 2000  Unlock100,309285,036,114
 Population - 199017,635  Unlock251,960,433
 Pop. 2000 to Now  Unlock9.8%15.6%
 Pop. 1990 to Now82.7%  Unlock30.8%
 space4
 Population Density  Unlock3,650.593.4
 Land Area23.0  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Gillette, WYCentennial, COUnited States
 Age 0 to 48.2%  Unlock5.9%
 Age 5 to 9  Unlock6.5%6.1%
 Age 10 to 148.4%  Unlock6.6%
 Age 15 to 17  Unlock4.1%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock3.5%5.2%
 Age 25 to 3416.4%  Unlock13.8%
 Age 35 to 44  Unlock14.8%12.9%
 Age 45 to 548.6%  Unlock12.6%
 Age 55 to 59  Unlock7.0%6.7%
 Age 60 to 645.9%  Unlock6.3%
 Age 65 to 74  Unlock10.2%9.6%
 Age 75 to 842.4%  Unlock4.5%
 Age 85 and over  Unlock1.9%1.9%
 space1
 Race
 Gillette, WYCentennial, COUnited States
 White84.9%  Unlock59.4%
 Black  Unlock2.6%12.2%
 Asian0.1%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock9.0%18.4%
 space2
 Marriage & Family
 Gillette, WYCentennial, COUnited States
 Married Population58.9%  Unlock49.8%
     Currently Married  Unlock59.4%48.0%
 Married but Separated2.2%  Unlock1.8%
 Single Population  Unlock39.8%50.2%
 Never Married25.7%  Unlock33.8%
 Divorced  Unlock10.9%10.8%
 Widowed3.8%  Unlock5.6%
 space5
 Household Size  Unlock2.632.60
 Households11,954  Unlock124,010,992
 Family Households  Unlock29,97980,755,759
     Married couple, w/children39.1%  Unlock30.5%
     Married couple, no children  Unlock46.3%42.9%
 Non Family Households3,653  Unlock43,255,233
     Single householder, w/children  Unlock10.7%15.8%
     Single householder, no children2.7%  Unlock10.8%
Voting
Reviews for Gillette    6 Reviews
David · Prescott, AZ
Best of both worlds
Over 1 years ago

Not sure why the people relying to the negative comments with positive comments don't make their own reviews. Gillette has the same problems that similarly-sized towns  More

   |    Reply
Tammy · Gillette, WY
Total pit
Over 4 years ago

You have to be a complete jerk to live here. These people are total losers. never been In a town where it's ok to steal and lie. the city tries to steal. Had a way too  More

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Chris · Gillette, WY
Good schools and jobs; industrial and ugly
Over 5 years ago

I've lived here several times - adding up to around 37 of my 45 years - and I can't wait to leave. As soon as my youngest graduates from high school I am out of here.  More

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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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Learn More About Gillette, Wyoming
Overview
Cost of Living
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Voting
Learn More About Centennial, Colorado
Overview
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