Cedar Township is a township in Sac County, Iowa, United States. Part of Lytton, Iowa is within Cedar Township.
The township's elevation is listed as 1224 feet above mean sea level. It has a total area of 36.64 square miles.
Cedar Township was first settled around 1859.
As of the 2010 census, Cedar Township had 230 housing units and a population of 480.
Cedar Township is in the Newell-Fonda Community School District.