2026 Compare Cities People:
Alton, IL vs Johnstown, PA

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Highlights
- Johnstown is 0% more densely populated than Alton.
- People are 2.9% less likely to be married in Johnstown.
- The Median Age is 6.3 years older in Johnstown.
 Alton, ILJohnstown, PAUnited States
 Population  Unlock18,647329,725,481
 Female Population52.2%  Unlock50.5%
 Male Population47.8%  Unlock49.5%
 Median Age  Unlock44.438.4
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 Population - 201027,901  Unlock309,327,143
 Population - 2000  Unlock23,906285,036,114
 Population - 199032,905  Unlock251,960,433
 Pop. 2000 to Now  Unlock-20.8%15.6%
 Pop. 1990 to Now-20.8%  Unlock30.8%
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 Population Density  Unlock3,164.393.4
 Land Area15.5  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
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 Est. Total Population By Age
 Alton, ILJohnstown, PAUnited States
 Age 0 to 45.5%  Unlock5.9%
 Age 5 to 9  Unlock7.3%6.1%
 Age 10 to 147.2%  Unlock6.6%
 Age 15 to 17  Unlock3.4%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock3.1%5.2%
 Age 25 to 3414.5%  Unlock13.8%
 Age 35 to 44  Unlock9.9%12.9%
 Age 45 to 5411.7%  Unlock12.6%
 Age 55 to 59  Unlock7.0%6.7%
 Age 60 to 647.3%  Unlock6.3%
 Age 65 to 74  Unlock11.7%9.6%
 Age 75 to 844.4%  Unlock4.5%
 Age 85 and over  Unlock2.9%1.9%
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 Race
 Alton, ILJohnstown, PAUnited States
 White67.1%  Unlock59.4%
 Black  Unlock16.2%12.2%
 Asian0.6%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock1.1%0.4%
 Two or More Races5.0%  Unlock3.2%
 Hispanic  Unlock4.6%18.4%
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 Marriage & Family
 Alton, ILJohnstown, PAUnited States
 Married Population36.6%  Unlock49.8%
     Currently Married  Unlock31.5%48.0%
 Married but Separated2.8%  Unlock1.8%
 Single Population  Unlock64.5%50.2%
 Never Married37.6%  Unlock33.8%
 Divorced  Unlock15.3%10.8%
 Widowed8.7%  Unlock5.6%
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 Household Size  Unlock2.062.60
 Households11,097  Unlock124,010,992
 Family Households  Unlock4,20880,755,759
     Married couple, w/children23.2%  Unlock30.5%
     Married couple, no children  Unlock36.8%42.9%
 Non Family Households5,244  Unlock43,255,233
     Single householder, w/children  Unlock32.5%15.8%
     Single householder, no children13.3%  Unlock10.8%
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 3 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 11 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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Reviews for Johnstown    16 Reviews

It is a historic city with a booming economy located in Johnstown, PA. In the past two years, crime and drug problems have decreased, and the city promotes arts,  More

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Over 6 years ago

It's a filthy drug thug pitbull  More

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Over 14 years ago

Johnstown is very sceneic. The people are very nice howeever, if you go too far out into suburbia you will find a great deal of ignorance and racism. The down side is  More

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