Dupo, Illinois, located in St. Clair County, was incorporated in 1907. The village, with a population of approximately 4,000, is named after the combination of the surnames of two early settlers, Dupont and LaPray. The town is home to the Dupo Railroad Museum, featuring exhibits that showcase the area's rich railroad history. The local economy is primarily driven by industries such as manufacturing and construction.
Dollar General takes the top spot among Dollar Stores and Deep Discount Stores in Dupo, Illinois with 1 locations as of April 12, 2024.