2025 Compare Cities People:
Arlington Heights, IL vs St. Louis, MO

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Highlights
- St. Louis is 0% more densely populated than Arlington Heights.
- People are 44.5% less likely to be married in St. Louis.
- The Median Age is 6.7 years younger in St. Louis.
 Arlington Heights, ILSt. Louis, MOUnited States
 Population  Unlock302,787329,725,481
 Female Population50.6%  Unlock50.5%
 Male Population49.4%  Unlock49.5%
 Median Age  Unlock36.338.4
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 Population - 201075,252  Unlock309,327,143
 Population - 2000  Unlock348,189285,036,114
 Population - 199075,460  Unlock251,960,433
 Pop. 2000 to Now  Unlock-14.5%15.6%
 Pop. 1990 to Now-1.9%  Unlock30.8%
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 Population Density  Unlock4,903.993.4
 Land Area16.6  Unlock3,531,905.4
 Water Area  Unlock4.3264,836.8
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 Est. Total Population By Age
 Arlington Heights, ILSt. Louis, MOUnited States
 Age 0 to 46.5%  Unlock5.9%
 Age 5 to 9  Unlock4.8%6.1%
 Age 10 to 146.4%  Unlock6.6%
 Age 15 to 17  Unlock2.8%3.9%
 Age 18 to 202.0%  Unlock4.0%
 Age 21 to 24  Unlock5.4%5.2%
 Age 25 to 3410.8%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 5414.0%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 646.6%  Unlock6.3%
 Age 65 to 74  Unlock8.8%9.6%
 Age 75 to 845.6%  Unlock4.5%
 Age 85 and over  Unlock1.7%1.9%
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 Race
 Arlington Heights, ILSt. Louis, MOUnited States
 White75.6%  Unlock59.4%
 Black  Unlock44.6%12.2%
 Asian10.4%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races2.1%  Unlock3.2%
 Hispanic  Unlock4.2%18.4%
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 Marriage & Family
 Arlington Heights, ILSt. Louis, MOUnited States
 Married Population60.6%  Unlock49.8%
     Currently Married  Unlock30.7%48.0%
 Married but Separated1.1%  Unlock1.8%
 Single Population  Unlock66.4%50.2%
 Never Married25.7%  Unlock33.8%
 Divorced  Unlock12.3%10.8%
 Widowed5.8%  Unlock5.6%
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 Household Size  Unlock2.082.60
 Households31,421  Unlock124,010,992
 Family Households  Unlock62,55980,755,759
     Married couple, w/children37.3%  Unlock30.5%
     Married couple, no children  Unlock36.1%42.9%
 Non Family Households10,615  Unlock43,255,233
     Single householder, w/children  Unlock26.9%15.8%
     Single householder, no children6.5%  Unlock10.8%
Reviews for Arlington Heights    9 Reviews

Over 7 years ago

I’ve lived in this city my whole life and it is the absolute best. The people are so kind and always greet you with a smile. The education systems are very good and it  More

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Over 12 years ago

Downtown Arlington Heights has a lot going on, especially in the summer. There are good restaurants and other businesses, and the festivals/music are very good, too. A  More

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Over 14 years ago

After growing up in Deerfield, IL, there is no doubt in my mind that places like Deerfield and Arlington Heights have exceptional education for children. Education  More

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Reviews for St. Louis    113 Reviews

I'm 65 and lived here my entire life. Growing up in St. Louis I've learned there is a like to like about it. Lots of first class Hospitals and Doctors, LOTS of great  More

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This is an outsider's perspective on St. Louis. Sometimes a fresh perspective looking in from the outside is helpful. I don't live there as of this writing (Dec 22) but  More

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Over 3 years ago

I have travelled extensively and have lived in several other cities around the country. I chose to live in St. Louis city because it has many big city amenities with an  More

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