Alton Township | |
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Coordinates: 38°54′14″N 90°09′14″W / 38.90389°N 90.15389°W | |
Country | United States |
State | Illinois |
County | Madison |
Settled | November 2, 1875 |
Area | |
• Total | 16.74 sq mi (43.4 km2) |
• Land | 15.47 sq mi (40.1 km2) |
• Water | 1.27 sq mi (3.3 km2) |
Elevation | 509 ft (155 m) |
Population (2010) | |
• Estimate (2016)[1] | 26,861 |
• Density | 1,801.2/sq mi (695.4/km2) |
Time zone | UTC-6 (CST) |
• Summer (DST) | UTC-5 (CDT) |
FIPS code | 17-119-01127 |
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.[2]