| Alton Township | |
| Township | |
| Country | United States |
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| State | Illinois |
| County | Madison |
| Elevation | 509 ft (155.1 m) |
| Coordinates | |
| Area | 16.6 sq mi (43 km2) |
| - land | 15.6 sq mi (40 km2) |
| - water | 1.0 sq mi (3 km2) |
| Population | 30,496 (2000) |
| Settled | November 2, 1875 |
| Timezone | CST (UTC-6) |
| - summer (DST) | CDT (UTC-5) |
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Location in Madison County
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Location of Alton Township in Illinois
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Location of Illinois in the United States
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Alton Township is located in Madison County, Illinois. The population was 30,496 at the 2000 census.
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