Seneca Township, Illinois

Seneca Township
Township
Location in McHenry County
CountryUnited States
StateIllinois
CountyMcHenry
EstablishedNovember 6, 1849
Area
  Total
35.96 sq mi (93.1 km2)
  Land35.95 sq mi (93.1 km2)
  Water0.01 sq mi (0.03 km2)  0.03%
Population
 (2020)
  Total
2,893
  Density81.9/sq mi (31.6/km2)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
FIPS code17-111-68653
Websitehttp://www.senecatownship.com/

Seneca Township is located in McHenry County, Illinois. As of the 2020 census, its population was 2,893 and it contained 1,102 housing units.