page_title: Alton, Illinois
hierarchical_section_title: Alton, Illinois
caption_attribution_description: English: This is a picture of the Clark Bridge, a bridge that spans the Mississippi River connecting Alton, IL to West Alton, MO.
context_page_description: Alton is a city on the Mississippi River in Madison County, Illinois, United States, about 18 miles north of St. Louis, Missouri. The population was 27,865 at the 2010 census. It is a part of the Metro-East region of the Greater St. Louis metropolitan area. It is famous for its limestone bluffs along the river north of the city, for its 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.
context_section_description: Alton is a city on the Mississippi River in Madison County, Illinois, United States, about 18 miles (29 km) north of St. Louis, Missouri. The population was 27,865 at the 2010 census. It is a part of the Metro-East region of the Greater St. Louis metropolitan area. It is famous for its limestone bluffs along the river north of the city, for its 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.
caption: The Clark Bridge, connecting Alton to West Alton, Missouri
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