Alton, Illinois

Alton
City
The Clark Bridge, connecting Alton to West Alton, Missouri
Location of Alton in Madison County, Illinois
Location of Illinois in the United States
Alton Location in Illinois Show map of Illinois Alton Alton (the United States) Show map of the United States
Coordinates: 38°54′2″N 90°9′35″W / 38.90056°N 90.15972°W / 38.90056; -90.15972
Country	United States
State	Illinois
County	Madison
Area [1]
• Total	16.95 sq mi (43.90 km2)
• Land	15.67 sq mi (40.59 km2)
• Water	1.28 sq mi (3.31 km2)
Elevation [2]	535 ft (163 m)
Population  (2020)[3]
• Total	25,676
• Density	1,638.44/sq mi (632.62/km2)
Time zone	UTC-6 (CST)
• Summer (DST)	UTC-5 (CDT)
ZIP Code(s)	62002
Area code	618
FIPS code	17-01114
GNIS feature ID	2393935[2]
Wikimedia Commons	Alton, Illinois
Website	www.cityofaltonil.com

Alton is a city in Madison County, Illinois, in the United States. About 26,000 people lived in Alton as of the year 2020.

People from the city: Miles Davis (d. 1991), jazz musician, trumpet player

1. ↑ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved March 15, 2022.
2. ↑ ^{2.0 2.1} U.S. Geological Survey Geographic Names Information System: Alton, Illinois
3. ↑ "Alton city, Illinois". United States Census Bureau. Retrieved September 20, 2023.