Alton Township | |
---|---|
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]
According to the 2010 census, the township has a total area of 16.74 square miles (43.4 km2), of which 15.47 square miles (40.1 km2) (or 92.41%) is land and 1.27 square miles (3.3 km2) (or 7.59%) is water. [2]
Census | Pop. | Note | %± |
---|---|---|---|
2016 (est.) | 26,861 | [1] | |
U.S. Decennial Census [3] |