Benton Township is one of thirteen townships in Fremont County, Iowa, United States.

As of the 2010 census, its population was 254 and it contained 122 housing units.

[1] As of the 2010 census, Benton Township covered an area of 45.71 square miles (118.4 km2); of this, 44.4 square miles (115 km2) (97.13 percent) was land and 1.31 square miles (3.4 km2) (2.87 percent) was water.

[1] (This list is based on USGS data and may include former settlements.)

(These towns are listed as "historical" by the USGS.)