2026 Compare Cities People:
Centennial, CO vs Lake Forest, CA

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Highlights
- Lake Forest is 0% more densely populated than Centennial.
- People are 8.1% less likely to be married in Lake Forest.
- The Median Age is 1.3 years younger in Lake Forest.
 Centennial, 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 - 2010100,294  Unlock309,327,143
 Population - 2000  Unlock58,707285,036,114
 Population - 199081,946  Unlock251,960,433
 Pop. 2000 to Now  Unlock45.4%15.6%
 Pop. 1990 to Now34.4%  Unlock30.8%
 space4
 Population Density  Unlock5,141.793.4
 Land Area29.6  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Centennial, COLake Forest, CAUnited States
 Age 0 to 45.4%  Unlock5.9%
 Age 5 to 9  Unlock5.7%6.1%
 Age 10 to 147.4%  Unlock6.6%
 Age 15 to 17  Unlock3.7%3.9%
 Age 18 to 202.8%  Unlock4.0%
 Age 21 to 24  Unlock4.6%5.2%
 Age 25 to 3411.3%  Unlock13.8%
 Age 35 to 44  Unlock14.9%12.9%
 Age 45 to 5413.6%  Unlock12.6%
 Age 55 to 59  Unlock7.0%6.7%
 Age 60 to 647.2%  Unlock6.3%
 Age 65 to 74  Unlock8.7%9.6%
 Age 75 to 844.3%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
 space1
 Race
 Centennial, COLake Forest, CAUnited States
 White78.0%  Unlock59.4%
 Black  Unlock2.3%12.2%
 Asian5.9%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races3.6%  Unlock3.2%
 Hispanic  Unlock23.9%18.4%
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 Marriage & Family
 Centennial, COLake Forest, CAUnited States
 Married Population60.2%  Unlock49.8%
     Currently Married  Unlock54.2%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock44.7%50.2%
 Never Married25.1%  Unlock33.8%
 Divorced  Unlock10.0%10.8%
 Widowed3.8%  Unlock5.6%
 space5
 Household Size  Unlock2.852.60
 Households40,344  Unlock124,010,992
 Family Households  Unlock21,67780,755,759
     Married couple, w/children36.2%  Unlock30.5%
     Married couple, no children  Unlock43.1%42.9%
 Non Family Households10,365  Unlock43,255,233
     Single householder, w/children  Unlock8.3%15.8%
     Single householder, no children6.8%  Unlock10.8%
Reviews for Centennial    2 Reviews

Over 10 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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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 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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