2025 Compare Cities People:
Thornton, CO vs Lake Forest, CA

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Highlights
- Lake Forest is 0% more densely populated than Thornton.
- People are 3.0% more likely to be married in Lake Forest.
- The Median Age is 6.4 years older in Lake Forest.
 Thornton, COLake Forest, CAUnited States
 Population  Unlock85,516329,725,481
 Female Population49.6%  Unlock50.5%
 Male Population50.4%  Unlock49.5%
 Median Age  Unlock40.138.4
 space3
 Population - 2010119,544  Unlock309,327,143
 Population - 2000  Unlock58,707285,036,114
 Population - 199055,031  Unlock251,960,433
 Pop. 2000 to Now  Unlock45.4%15.6%
 Pop. 1990 to Now169.1%  Unlock30.8%
 space4
 Population Density  Unlock5,141.793.4
 Land Area35.3  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Thornton, COLake Forest, CAUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock5.7%6.1%
 Age 10 to 148.9%  Unlock6.6%
 Age 15 to 17  Unlock3.7%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock4.6%5.2%
 Age 25 to 3416.0%  Unlock13.8%
 Age 35 to 44  Unlock14.9%12.9%
 Age 45 to 5412.9%  Unlock12.6%
 Age 55 to 59  Unlock7.0%6.7%
 Age 60 to 644.1%  Unlock6.3%
 Age 65 to 74  Unlock8.7%9.6%
 Age 75 to 842.6%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
 space1
 Race
 Thornton, COLake Forest, CAUnited States
 White52.7%  Unlock59.4%
 Black  Unlock2.3%12.2%
 Asian5.1%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races3.3%  Unlock3.2%
 Hispanic  Unlock23.9%18.4%
 space2
 Marriage & Family
 Thornton, COLake Forest, CAUnited States
 Married Population53.7%  Unlock49.8%
     Currently Married  Unlock54.2%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock44.7%50.2%
 Never Married32.6%  Unlock33.8%
 Divorced  Unlock10.0%10.8%
 Widowed3.2%  Unlock5.6%
 space5
 Household Size  Unlock2.852.60
 Households47,599  Unlock124,010,992
 Family Households  Unlock21,67780,755,759
     Married couple, w/children40.7%  Unlock30.5%
     Married couple, no children  Unlock43.1%42.9%
 Non Family Households13,584  Unlock43,255,233
     Single householder, w/children  Unlock8.3%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 Lake Forest    16 Reviews

I've lived in Lake Forest for over a decade, before that elsewhere in OC and also up in LA. Lake Forest isn't perfect but it's really improved over the past decade,  More

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As a retired senior who has lived in Lake Forest (formerly El Toro) since 1977 I think LF is a great place if you can afford it. When we moved here in June '77 homes  More

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I’ve lived here for 2 years. Ok, it’s more like a 4 but there are so many idiots downplaying what it’s like here and giving Lake Forest ones and twos. There are a lot of  More

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