2025 Compare Cities People:
Thornton, CO vs Geneva, IL

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Highlights
- Geneva is 0% more densely populated than Thornton.
- People are 10.8% more likely to be married in Geneva.
- The Median Age is 7.0 years older in Geneva.
 Thornton, COGeneva, ILUnited States
 Population  Unlock21,472329,725,481
 Female Population49.6%  Unlock50.5%
 Male Population50.4%  Unlock49.5%
 Median Age  Unlock40.738.4
 space3
 Population - 2010119,544  Unlock309,327,143
 Population - 2000  Unlock19,515285,036,114
 Population - 199055,031  Unlock251,960,433
 Pop. 2000 to Now  Unlock11.1%15.6%
 Pop. 1990 to Now169.1%  Unlock30.8%
 space4
 Population Density  Unlock2,169.393.4
 Land Area35.3  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
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 Est. Total Population By Age
 Thornton, COGeneva, ILUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock8.2%6.1%
 Age 10 to 148.9%  Unlock6.6%
 Age 15 to 17  Unlock5.0%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock3.7%5.2%
 Age 25 to 3416.0%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 5412.9%  Unlock12.6%
 Age 55 to 59  Unlock9.7%6.7%
 Age 60 to 644.1%  Unlock6.3%
 Age 65 to 74  Unlock9.7%9.6%
 Age 75 to 842.6%  Unlock4.5%
 Age 85 and over  Unlock0.9%1.9%
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 Race
 Thornton, COGeneva, ILUnited States
 White52.7%  Unlock59.4%
 Black  Unlock1.4%12.2%
 Asian5.1%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races3.3%  Unlock3.2%
 Hispanic  Unlock8.8%18.4%
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 Marriage & Family
 Thornton, COGeneva, ILUnited States
 Married Population53.7%  Unlock49.8%
     Currently Married  Unlock59.0%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock40.5%50.2%
 Never Married32.6%  Unlock33.8%
 Divorced  Unlock9.9%10.8%
 Widowed3.2%  Unlock5.6%
 space5
 Household Size  Unlock2.682.60
 Households47,599  Unlock124,010,992
 Family Households  Unlock5,95180,755,759
     Married couple, w/children40.7%  Unlock30.5%
     Married couple, no children  Unlock45.3%42.9%
 Non Family Households13,584  Unlock43,255,233
     Single householder, w/children  Unlock10.1%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 Geneva    12 Reviews

Real Estate and State Taxes are very high. Lots of people and traffic. Cute little shops and restaurants on main streets which attract a lot of tourists during the  More

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Lived here for 30 years... great schools, quaint downtown, good city leadership, engaged community. Wonderful town to raise a family! Only downsides are weather ( long  More

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Over 8 years ago

We moved to Geneva 4 years ago. The cost of living is very high, and taxes keep going up as well as other living expenses. The population seems to be increasing and the  More

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