Alton
City in Madison County, Illinois
Alton is a city in Madison County, Illinois, with 25,676 residents (2020 Census). It sits at 492 ft (150 m) above sea level. The nearest town is East Alton, 2.6 miles SE.
- 25,676residents (2020 Census)
- 492 ftelevation · 150 m
- 15.6 sq miland area · 40.5 km²
- 1,643 / sq mipopulation density
- 62002ZIP code
About Alton
Alton ( AWL-tən) is a city on the Mississippi River in Madison County, Illinois, United States, about 18 miles (29 km) north of St. Louis, Missouri. Its population was 25,676 at the 2020 census. It is a part of the River Bend area in the Metro-East region of the Greater St. Louis metropolitan area.
It is well known for its limestone bluffs along the river north of the city, and it is the former location of an historical state penitentiary and played a significant role preceding and during the American Civil War. It was the site of the last Abraham Lincoln and Stephen Douglas debate in October 1858. The former state penitentiary in Alton was used during the Civil War to hold up to 12,000 Confederate prisoners of war.
Text: Wikipedia · CC BY-SA 4.0
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Living in Alton
- Median household income
- $54,568
- Median home value
- $103,700
- Median rent
- $1,015/mo
- Median age
- 38
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Map of Alton
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Open in Google Maps ›Alton, IL population
Alton had 25,676 residents in the 2020 Census.
| 2020 Census | 25,676 |
|---|---|
| Density | 1,643 per sq mi (634 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Alton at a glance
| State | Illinois (IL) |
|---|---|
| County | Madison County |
| Type | City |
| Population | 25,676 (2020) |
| Land area | 15.63 sq mi (40.5 km²) |
| Water area | 1.28 sq mi (3.31 km²) |
| Elevation | 492 ft (150 m) |
| Coordinates | 38.9039° N, 90.1512° W |
| ZIP code | 62002 |
| Official website | cityofaltonil.gov |
| Census code (GEOID) | 1701114 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Alton
- East Alton2.6 mi SE
- West Alton, MO4.0 mi SW
- Rosewood Heights4.3 mi E
- Wood River4.8 mi SE
- Godfrey5.1 mi NW
- Bethalto5.7 mi E
- Moro6.9 mi E
- Hartford7.0 mi SE
- Roxana8.0 mi SE
- South Roxana8.2 mi SE
- Spanish Lake, MO8.5 mi S
- Old Jamestown, MO8.6 mi SW
Straight-line distance between town centers.
Frequently asked questions about Alton
What county is Alton in?
Alton is in Madison County, Illinois.
What is the population of Alton, IL?
25,676 people lived in Alton at the 2020 Census.
What is the ZIP code of Alton, IL?
The ZIP code of Alton is 62002.
What is the elevation of Alton?
492 feet (150 m) above sea level.
What towns are near Alton?
East Alton (2.6 mi), West Alton (4.0 mi), Rosewood Heights (4.3 mi), Wood River (4.8 mi), Godfrey (5.1 mi).
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