2025 Compare Cities People:
St. Charles, MO vs Alton, IL

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Highlights
- Alton is 0% more densely populated than St. Charles.
- People are 25.6% less likely to be married in Alton.
- The Median Age is 0.4 years older in Alton.
 St. Charles, MOAlton, ILUnited States
 Population  Unlock25,902329,725,481
 Female Population51.7%  Unlock50.5%
 Male Population48.3%  Unlock49.5%
 Median Age  Unlock38.138.4
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 Population - 201066,387  Unlock309,327,143
 Population - 2000  Unlock30,496285,036,114
 Population - 199054,555  Unlock251,960,433
 Pop. 2000 to Now  Unlock-14.6%15.6%
 Pop. 1990 to Now31.5%  Unlock30.8%
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 Population Density  Unlock1,669.593.4
 Land Area24.7  Unlock3,531,905.4
 Water Area  Unlock1.3264,836.8
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 Est. Total Population By Age
 St. Charles, MOAlton, ILUnited States
 Age 0 to 45.3%  Unlock5.9%
 Age 5 to 9  Unlock7.9%6.1%
 Age 10 to 144.2%  Unlock6.6%
 Age 15 to 17  Unlock3.6%3.9%
 Age 18 to 205.1%  Unlock4.0%
 Age 21 to 24  Unlock3.0%5.2%
 Age 25 to 3416.3%  Unlock13.8%
 Age 35 to 44  Unlock13.5%12.9%
 Age 45 to 549.9%  Unlock12.6%
 Age 55 to 59  Unlock6.0%6.7%
 Age 60 to 646.8%  Unlock6.3%
 Age 65 to 74  Unlock10.4%9.6%
 Age 75 to 845.2%  Unlock4.5%
 Age 85 and over  Unlock1.6%1.9%
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 Race
 St. Charles, MOAlton, ILUnited States
 White81.3%  Unlock59.4%
 Black  Unlock25.1%12.2%
 Asian3.3%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races3.0%  Unlock3.2%
 Hispanic  Unlock1.9%18.4%
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 Marriage & Family
 St. Charles, MOAlton, ILUnited States
 Married Population49.1%  Unlock49.8%
     Currently Married  Unlock33.8%48.0%
 Married but Separated1.1%  Unlock1.8%
 Single Population  Unlock63.4%50.2%
 Never Married33.8%  Unlock33.8%
 Divorced  Unlock17.2%10.8%
 Widowed5.4%  Unlock5.6%
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 Household Size  Unlock2.292.60
 Households29,173  Unlock124,010,992
 Family Households  Unlock5,85380,755,759
     Married couple, w/children27.7%  Unlock30.5%
     Married couple, no children  Unlock32.2%42.9%
 Non Family Households12,044  Unlock43,255,233
     Single householder, w/children  Unlock31.4%15.8%
     Single householder, no children8.1%  Unlock10.8%
Reviews for St. Charles    10 Reviews

Over 7 years ago

I grew up here and I loved everything about the county. There are thousands of little trails all over the place, so when I was a child we would always go running around  More

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Over 10 years ago

It is way too hot & humid here in the summer. Winters are great, except for a lack of  More

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Good growth, decent economics, below average politics. School system above  More

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Reviews for Alton    7 Reviews

My wife, daughter, and I moved here from Phoenix Metro March 2022 and have been very happy with our move. The people have been great, having four seasons is great, and  More

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Over 2 years ago

Not sure why such low reviews. I moved here from St. Louis. Crime in Alton is NOTHING compared to that. Maybe 1 or 2 homicides a year and those are generally people  More

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Over 10 years ago

Unfortunately, Alton has become a run down, poverty stricken area. Jobs are very limited and do not pay well. Unless you plan on commuting to St. Louis for work, you  More

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