A Gazetteer for the United States and Canada

Alton, Illinois

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The location of Alton

Welcome to Alton ...

The city of Alton is located in Madison County.

The pronunciation of Alton: AWL-tuhn<1>

When the people of Alton refer to themselves (known as a demonym), they frequently use Altonian<2>

From the  Census Estimates for 2017, Alton has a population of 26,725 people<3> (see below for details).

Alton was established in 1818.

The community of Alton is 520 feet [158 m] above sea level.<4>.

Time Zone: Alton lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Alton is within the (618) area code.

The ZIP code for Alton: 62002<5>

Population Details ...

At the time of the 2010 Census, Alton had a population of 27,865 people (or 10.35% of the total population of Madison County). This makes Alton the county's 2nd most populous community.

The population of Alton represents 0.22% of the total population of Illinois (which has 12,830,632 people), making it the state's 76th most populous community.

With a 2010 count of 27,865 people, the population of Alton decreased 8.63% from the 2000 Census (with a count of 30,496 people).

Taken from the 2017 Census Estimates, Alton had an population of 26,725 people. This is a decrease of 4.09% since the 2010 Census (or a decrease of 12.37% since the 2000 Census).

More information can be found on the Census Page for Alton.

Communities near Alton ...

A sample of nearby communities can be found below.

Keep in mind that when we give a distance, it's a 'straight-line' distance and not the distance if you drove.<6>.

Community   2017
Collinsville   [Map]   24,703   SE   17 miles [27.4 km]
East Saint Louis   [Map]   26,662   S   18 miles [29 km]
Edwardsville   [Map]   24,967   SE   13 miles [20.9 km]
Granite City   [Map]   28,746   S   13 miles [20.9 km]
Ferguson (MO)   [Map]   20,728   SW   11 miles [17.7 km]
Florissant (MO)   [Map]   51,443   SW   10 miles [16.1 km]

To learn more about neighboring communities and counties, please visit the Nearby Page for Alton.

Communities Also Named Alton ...

Using our Gazetteer, we have found that there are 37 communities that are also named Alton - they are located in Alabama, Arkansas, California, Florida, Georgia (2), Idaho, Indiana, Iowa, Kansas (3), Kentucky, Louisiana (2), Maine, Michigan (2), Minnesota, Missouri, Montana, New Hampshire, New York, North Carolina, North Dakota, Nova Scotia, Ohio, Ontario (3), Pennsylvania, Rhode Island, Texas (2), Utah, Virginia and West Virginia.

For more information, see our Tidbits & Trivia Page for Alton.

See Our Genealogy Helper Page ...

We have a couple of sections for those tracing their genealogy.

  • We have a list of cemeteries that are in the area around Alton. If available, we provide a satellite view of the cemetery.
  • Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Alton. Our list includes information such as whether the community had a post office or railroad service in 1895.
  • We also have a detailed list of newspapers that have been published in the area around Alton. Our list includes 49 papers.

These sections can be found on our Genealogy Helper Page for Alton:

Websites for Alton ...

Official Website:

TripAdvisor Tourism Pages for Alton ...

Looking for more information about Alton? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Alton, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Alton.

Other Roadside Stops ...

Cities, Towns and Villages of Illinois

About Madison County

About Illinois

Off-the-Road Links ...

The official website for Alton:

The official website for Madison County:

The official website for State of Illinois:

Footnotes ...

<1>The pronunciation we've provided is our attempt to give a phonetic pronunciation for Alton. While it might not be exactly right, hopefully it will be close. If we have it wrong or there's a better way to pronounce the name, please contact us through our Feedback Page.

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<2>A demonym is the name for a resident of a community which is usually derived from (or is related to) the name of that community. In other words, it's how the residents of Alton refer to themselves. It's important to note that there aren't any rules for taking a city's name and turning it into a demonym. A demonym is informal and while the majority of Alton may use one name, keep in mind that others may use something different.

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<3>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Alton.

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<4>The elevation is an estimate for the area around Alton - it will be higher in some places and lower in others.

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<5>ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a city (such as Alton). When looking for a ZIP Code, whether Alton or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

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<6>Our distances are not driving distances, but are calculated as a 'point-to-point' distance. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Alton) to Point B.

If you need the driving distance, we recommend that you use one of the Mapping Services listed on our Map Page for Alton. Since we usually use Google Maps, we've provided the following link: Google Map and Driving Directions starting from Alton

Our distance measurements begin at a specific point in Alton. The point we use is located at these GPS coordinates - Latitude: 38.8955, Longitude: -90.1764     [Map].

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This page was last modified: 17 Jan 2019