Brookside Township, Illinois

Brookside Township is one of fifteen townships in Clinton County, Illinois, United States. As of the 2020 census, its population was 4,444 and it contained 1,570 housing units. The township's name changed from Crooked Creek Township on June 1, 1874.
  • Established: November 4, 1873
  • Elevation: 449 ft (137 m)
  • Country: United States
  • State: Illinois
  • County: Clinton
  • ZIP codes: 62250, 62801
  • FIPS code: 17-027-08732
Data from: en.wikipedia.org