2025 Compare Cities People:
Chicago, IL vs Gaithersburg, MD

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Highlights
- Gaithersburg is 0% more densely populated than Chicago.
- People are 41.0% more likely to be married in Gaithersburg.
- The Median Age is 2.5 years older in Gaithersburg.
 Chicago, ILGaithersburg, MDUnited States
 Population  Unlock68,827329,725,481
 Female Population51.2%  Unlock50.5%
 Male Population48.8%  Unlock49.5%
 Median Age  Unlock37.638.4
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 Population - 20102,697,480  Unlock309,327,143
 Population - 2000  Unlock52,613285,036,114
 Population - 19902,783,726  Unlock251,960,433
 Pop. 2000 to Now  Unlock28.8%15.6%
 Pop. 1990 to Now-3.8%  Unlock30.8%
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 Population Density  Unlock6,670.693.4
 Land Area227.4  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
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 Est. Total Population By Age
 Chicago, ILGaithersburg, MDUnited States
 Age 0 to 45.9%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 145.8%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock4.7%5.2%
 Age 25 to 3419.8%  Unlock13.8%
 Age 35 to 44  Unlock16.9%12.9%
 Age 45 to 5411.9%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 645.4%  Unlock6.3%
 Age 65 to 74  Unlock7.3%9.6%
 Age 75 to 843.6%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
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 Race
 Chicago, ILGaithersburg, MDUnited States
 White33.1%  Unlock59.4%
 Black  Unlock16.4%12.2%
 Asian6.8%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races2.2%  Unlock3.2%
 Hispanic  Unlock24.5%18.4%
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 Marriage & Family
 Chicago, ILGaithersburg, MDUnited States
 Married Population37.8%  Unlock49.8%
     Currently Married  Unlock51.9%48.0%
 Married but Separated2.3%  Unlock1.8%
 Single Population  Unlock46.6%50.2%
 Never Married48.9%  Unlock33.8%
 Divorced  Unlock9.8%10.8%
 Widowed5.0%  Unlock5.6%
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 Household Size  Unlock2.642.60
 Households1,112,581  Unlock124,010,992
 Family Households  Unlock17,21780,755,759
     Married couple, w/children27.1%  Unlock30.5%
     Married couple, no children  Unlock36.9%42.9%
 Non Family Households537,756  Unlock43,255,233
     Single householder, w/children  Unlock12.7%15.8%
     Single householder, no children17.1%  Unlock10.8%
Reviews for Chicago    270 Reviews

I've lived in Chicago city and later moved to suburbs when family size increased. Absolutely love this city. This is the cleanest and most beautiful among the major  More

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Chicago is probably the best value in a major city that you can find and my personal favorite city. It will become increasingly important as climate change makes the  More

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I've live on north side and south side, UIC medical center. Don't move here go to the north side. No good amenities, if you get bored with one there is no other choices.  More

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Reviews for Gaithersburg    10 Reviews

We recently sold our family home of 20+ years in Potomac, MD and moved just down the road to Gaithersburg. We have nothing but good things to say about the people  More

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Over 10 years ago

The city of Gaithersburg offers all of the employment opportunities of being within commuting range of D.C. without the congestion. Homes are more affordable and you  More

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The state has the potential to be a great place to live ... but that 'Reality’ is just slipping away. The current leadership has done a really bang-up job creating so  More

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