2025 Compare Cities People:
Sunnyvale, CA vs Littleton, CO

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Highlights
- Littleton is 0% more densely populated than Sunnyvale.
- People are 10.0% less likely to be married in Littleton.
- The Median Age is 4.9 years older in Littleton.
 Sunnyvale, CALittleton, COUnited States
 Population  Unlock45,465329,725,481
 Female Population47.8%  Unlock50.5%
 Male Population52.2%  Unlock49.5%
 Median Age  Unlock40.138.4
 space3
 Population - 2010140,786  Unlock309,327,143
 Population - 2000  Unlock40,340285,036,114
 Population - 1990117,229  Unlock251,960,433
 Pop. 2000 to Now  Unlock14.0%15.6%
 Pop. 1990 to Now29.4%  Unlock30.8%
 space4
 Population Density  Unlock3,609.293.4
 Land Area22.0  Unlock3,531,905.4
 Water Area  Unlock1.1264,836.8
 space
 Est. Total Population By Age
 Sunnyvale, CALittleton, COUnited States
 Age 0 to 47.0%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 145.4%  Unlock6.6%
 Age 15 to 17  Unlock2.6%3.9%
 Age 18 to 201.7%  Unlock4.0%
 Age 21 to 24  Unlock4.7%5.2%
 Age 25 to 3423.1%  Unlock13.8%
 Age 35 to 44  Unlock13.4%12.9%
 Age 45 to 5411.9%  Unlock12.6%
 Age 55 to 59  Unlock7.2%6.7%
 Age 60 to 644.8%  Unlock6.3%
 Age 65 to 74  Unlock10.4%9.6%
 Age 75 to 843.4%  Unlock4.5%
 Age 85 and over  Unlock2.8%1.9%
 space1
 Race
 Sunnyvale, CALittleton, COUnited States
 White28.9%  Unlock59.4%
 Black  Unlock2.4%12.2%
 Asian47.8%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races4.5%  Unlock3.2%
 Hispanic  Unlock12.5%18.4%
 space2
 Marriage & Family
 Sunnyvale, CALittleton, COUnited States
 Married Population57.1%  Unlock49.8%
     Currently Married  Unlock50.4%48.0%
 Married but Separated1.1%  Unlock1.8%
 Single Population  Unlock48.6%50.2%
 Never Married33.1%  Unlock33.8%
 Divorced  Unlock14.5%10.8%
 Widowed3.7%  Unlock5.6%
 space5
 Household Size  Unlock2.232.60
 Households57,565  Unlock124,010,992
 Family Households  Unlock11,52380,755,759
     Married couple, w/children41.3%  Unlock30.5%
     Married couple, no children  Unlock49.0%42.9%
 Non Family Households19,635  Unlock43,255,233
     Single householder, w/children  Unlock11.0%15.8%
     Single householder, no children9.4%  Unlock10.8%
Reviews for Sunnyvale    14 Reviews

At this point, I would only recommend moving to silicon valley for the job market. Sure, the weather is great and the restaurants offer huge variety. But the costs of  More

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Like previous reviewer, tech company's tyranny over city gov and quality of living has negatively impacted a fantastic place to live. Climate, while super, is grossly  More

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I've lived here for 40 years. While the weather is fabulous, For the past ten years of high density housing mostly needed to house thousands of a young up coming tech  More

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Reviews for Littleton    20 Reviews

I grew up here in the 1970s and 80s, when it was indisputably the best suburb of Denver. The city was close, but horseback riding and hunting were even closer, and of  More

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I've lived in Littleton for 30 years. The city council idiots are bringing in street people/voters. Littleton WAS the south metro posh Cherry Creek area. No more. The  More

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Over 6 years ago

Lived here for 14 yrs and it totally sucks. Overcrowded, traffic is awful, rude and unfriendly people and prices are getting worse. I'm outta here  More

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