2025 Compare Cities People:
Sammamish, WA vs Downers Grove, IL

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Highlights
- Downers Grove is 0% more densely populated than Sammamish.
- People are 18.5% less likely to be married in Downers Grove.
- The Median Age is 3.6 years older in Downers Grove.
 Sammamish, WADowners Grove, ILUnited States
 Population  Unlock50,209329,725,481
 Female Population51.8%  Unlock50.5%
 Male Population48.2%  Unlock49.5%
 Median Age  Unlock42.838.4
 space3
 Population - 201057,656  Unlock309,327,143
 Population - 2000  Unlock48,724285,036,114
 Population - 199023,294  Unlock251,960,433
 Pop. 2000 to Now  Unlock0.0%15.6%
 Pop. 1990 to Now183.2%  Unlock30.8%
 space4
 Population Density  Unlock3,459.893.4
 Land Area20.4  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Sammamish, WADowners Grove, ILUnited States
 Age 0 to 46.1%  Unlock5.9%
 Age 5 to 9  Unlock7.2%6.1%
 Age 10 to 149.9%  Unlock6.6%
 Age 15 to 17  Unlock3.6%3.9%
 Age 18 to 202.7%  Unlock4.0%
 Age 21 to 24  Unlock4.1%5.2%
 Age 25 to 348.0%  Unlock13.8%
 Age 35 to 44  Unlock11.7%12.9%
 Age 45 to 5419.1%  Unlock12.6%
 Age 55 to 59  Unlock7.8%6.7%
 Age 60 to 645.3%  Unlock6.3%
 Age 65 to 74  Unlock12.2%9.6%
 Age 75 to 841.7%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
 space1
 Race
 Sammamish, WADowners Grove, ILUnited States
 White55.8%  Unlock59.4%
 Black  Unlock3.3%12.2%
 Asian33.3%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races4.9%  Unlock3.2%
 Hispanic  Unlock5.7%18.4%
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 Marriage & Family
 Sammamish, WADowners Grove, ILUnited States
 Married Population70.7%  Unlock49.8%
     Currently Married  Unlock56.9%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock42.4%50.2%
 Never Married22.7%  Unlock33.8%
 Divorced  Unlock9.7%10.8%
 Widowed1.9%  Unlock5.6%
 space5
 Household Size  Unlock2.442.60
 Households21,930  Unlock124,010,992
 Family Households  Unlock13,34380,755,759
     Married couple, w/children54.5%  Unlock30.5%
     Married couple, no children  Unlock47.8%42.9%
 Non Family Households2,792  Unlock43,255,233
     Single householder, w/children  Unlock6.9%15.8%
     Single householder, no children3.7%  Unlock10.8%
Reviews for Sammamish    4 Reviews

Over 10 years ago

Seattle has beautiful greenery and gorgeous mountain views. It is quite dark and gloomy for much of the late fall into spring...or July 5th as locals know quite well. I  More

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Housing seems to be very overpriced, however after all things considered, it is well worth it. (Family of  More

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Sammamish is honestly a wonderful place to live. It's perfect for a family who wants a comfortable entertaining suburban life. The schools are pretty great, as I can say  More

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Reviews for Downers Grove    5 Reviews

Hi I have been living in Downers Grove since 1988. I used to work in Bank and couple other had been served couple other firms in managerial level. I found the best Tax  More

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Over 13 years ago

Quiet fmily neighborhoods with good  More

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Over 18 years ago

One of the safest places to live in the  More

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