Alton New Homes

New homes for sale in and around Alton, IL

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Alton Conditions

(updated 42 min ago)

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Clear 47°F
Hi: 62°F
Lo: 44°F
Feels like: 50°F
Visibility: 10 mi

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Alton Info

Alton, Illinois is located in Madison County. Zip codes in Alton, IL include 62002. More Alton information.