Alton Township, Madison County, Illinois

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]

Alton Township
Township
Location of Illinois in the United States
Coordinates: 38°54′14″N 90°09′14″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

See also

• Illinois portal

• Alton, Illinois, the city

Geography

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]

Demographics

Historical population

Census	Pop.	Note	%±
2016 (est.)	26,861	[1]
U.S. Decennial Census[3]