Red Oak, Illinois
Unincorporated community
Red Oak, Illinois Show map of Illinois Red Oak, Illinois Show map of the United States
Coordinates: 42°23′32″N 89°40′18″W / 42.39222°N 89.67167°W / 42.39222; -89.67167
Country	United States
State	Illinois
County	Stephenson
Elevation	791 ft (241 m)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
Zip	61066
Area code(s)	815 & 779
GNIS feature ID	416454[1]

Red Oak is an unincorporated community located along Richland Creek in Buckeye Township, Stephenson County, Illinois, United States.^[1][2] Red Oak is in Orangeville Community School District.

History

Stephen A. Rigney (180–1947), Illinois state representative and farmer, was born near Red Oak.^[3]