Alton Township, Madison County, Illinois

Alton Township
Location of Illinois in the United States
Coordinates: 38°54′14″N 90°09′14″W / 38.90389°N 90.15389°W / 38.90389; -90.15389
CountryUnited States
StateIllinois
CountyMadison
SettledNovember 2, 1875
Area
 • Total
16.74 sq mi (43.4 km2)
 • Land15.47 sq mi (40.1 km2)
 • Water1.27 sq mi (3.3 km2)
Elevation
509 ft (155 m)
Population
 (2010)
 • Estimate 
(2016)
26,861
 • Density1,801.2/sq mi (695.4/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
FIPS code17-119-01127

Alton Township is located in Madison County, Illinois, in the United States. As of the 2010 census, its population was 27,865 and it contained 13,266 housing units.