Piasa is a city in Illinois. So far we have accumulated 12 streets in Piasa and on these streets we have added 6,793 real estate properties.
- Federal District
Piasa is an unincorporated community in Macoupin County, Illinois, United States. Piasa is located on Illinois Route 16 4 miles (6.4 km) west of Shipman. Piasa has a post office with ZIP code 62079.