2025 Compare Cities People:
Thornton, CO vs Plano, TX

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Highlights
- Plano is 0% more densely populated than Thornton.
- People are 8.2% more likely to be married in Plano.
- The Median Age is 5.1 years older in Plano.
 Thornton, COPlano, TXUnited States
 Population  Unlock282,181329,725,481
 Female Population49.6%  Unlock50.5%
 Male Population50.4%  Unlock49.5%
 Median Age  Unlock38.838.4
 space3
 Population - 2010119,544  Unlock309,327,143
 Population - 2000  Unlock222,030285,036,114
 Population - 199055,031  Unlock251,960,433
 Pop. 2000 to Now  Unlock31.2%15.6%
 Pop. 1990 to Now169.1%  Unlock30.8%
 space4
 Population Density  Unlock3,937.393.4
 Land Area35.3  Unlock3,531,905.4
 Water Area  Unlock0.4264,836.8
 space
 Est. Total Population By Age
 Thornton, COPlano, TXUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock6.0%6.1%
 Age 10 to 148.9%  Unlock6.6%
 Age 15 to 17  Unlock4.1%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock4.8%5.2%
 Age 25 to 3416.0%  Unlock13.8%
 Age 35 to 44  Unlock15.3%12.9%
 Age 45 to 5412.9%  Unlock12.6%
 Age 55 to 59  Unlock7.4%6.7%
 Age 60 to 644.1%  Unlock6.3%
 Age 65 to 74  Unlock8.5%9.6%
 Age 75 to 842.6%  Unlock4.5%
 Age 85 and over  Unlock1.3%1.9%
 space1
 Race
 Thornton, COPlano, TXUnited States
 White52.7%  Unlock59.4%
 Black  Unlock8.5%12.2%
 Asian5.1%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races3.3%  Unlock3.2%
 Hispanic  Unlock15.8%18.4%
 space2
 Marriage & Family
 Thornton, COPlano, TXUnited States
 Married Population53.7%  Unlock49.8%
     Currently Married  Unlock57.0%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock41.9%50.2%
 Never Married32.6%  Unlock33.8%
 Divorced  Unlock9.8%10.8%
 Widowed3.2%  Unlock5.6%
 space5
 Household Size  Unlock2.662.60
 Households47,599  Unlock124,010,992
 Family Households  Unlock75,24480,755,759
     Married couple, w/children40.7%  Unlock30.5%
     Married couple, no children  Unlock42.0%42.9%
 Non Family Households13,584  Unlock43,255,233
     Single householder, w/children  Unlock10.3%15.8%
     Single householder, no children7.8%  Unlock10.8%
Reviews for Thornton    5 Reviews

Good place. Very suburbany (similar to the Springs). The houses are very small and old and yet still very expensive (albeit cheaper than southern Denver). Actually lots  More

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Over 5 years ago

I like Denver metro, but some cities aren’t too great. Thornton being one of them. Moved here because of highway access, and convenience to DIA for business travel. Am  More

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Over 10 years ago

The quality of life here in not good. The traffic is bad all the time. To try to get to the mountains takes forever! Also most lakes along the front range you can't even  More

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Reviews for Plano    42 Reviews

I had lived in Plano for over 30 years. It is where I bought my first home as a single woman, where I married, and where I raised my children. I was fortunate enough  More

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We have lived in Plano for 20 years. It has been consistently rated very highly in surveys of best places to live in the US. Pros are the parks system; which includes  More

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Over 4 years ago

I've lived here for a while now. It's wonderful here. There's a ton to do, great jobs, great parks, and pretty good school. It's the perfect  More

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