About Dupo, Illinois

Coordinates: 38°30?57?N 90°12?29?W? / ?38.51583°N 90.20806°W? / 38.51583; -90.20806Dupo is a village in St. Clair County, Illinois, United States. The population was 3,933 at the 2000 census. The village was settled in about 1750 and was incorporated in 1876. Its name is derived from Prairie du Pont (French: Bridge Prairie).

News from Dupo

Dupo Facts

  • Area Code: Area_code_618#United_States
  • Postal Codes: 62239
  • Timezone: North American Central