Round Knob, Illinois

Round Knob is an unincorporated community in Massac County, Illinois, United States. Round Knob is 6.5 miles (10.5 km) north of Metropolis.

Round Knob, Illinois
Unincorporated community
Round Knob Show map of Illinois Round Knob Show map of the United States
Coordinates: 37°14′50″N 88°44′15″W
Country	United States
State	Illinois
County	Massac
Elevation	394 ft (120 m)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
Area code	618
GNIS feature ID	416986[1]