Dupo, Illinois

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Dupo, IL

Dupo, IL

Dupo is a village in St. Clair County, Illinois, United States. The population was 4,138 at the 2010 census, an increase from 3,933 in 2000. The village was settled in about 1750 and was incorporated in 1876. Wikipedia

County: St. Clair County

Population: 4,066 (2012)

Time Zone: Central Standard Time

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Map of Dupo, IL