Cortland Township, DeKalb County, Illinois

Cortland Township
Location in DeKalb County
DeKalb County's location in Illinois
Coordinates: 41°56′00″N 88°39′00″W / 41.93333°N 88.65000°W / 41.93333; -88.65000
Country United States
State Illinois
CountyDeKalb
EstablishedFebruary 1, 1865
Area
  Total
35.26 sq mi (91.3 km2)
  Land35.03 sq mi (90.7 km2)
  Water0.24 sq mi (0.6 km2)  0.67%
Elevation
876 ft (267 m)
Population
 (2020)
  Total
11,244
  Density320/sq mi (120/km2)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
ZIP codes
60112, 60115, 60151, 60178
FIPS code17-037-16483

Cortland Township is one of nineteen townships in DeKalb County, Illinois, USA. As of the 2020 census, its population was 11,244 and it contained 4,357 housing units. Cortland Township was originally named Richland Township, but was renamed to Pampas Township on November 20, 1850; it was renamed to Cortland Township on February 1, 1865.