Ganeer Township is occupies a 6 mile by 7 mile rectangle west of the City of Kankakee in Kankakee County, Illinois. The population was 3,222 at the 2000 census. It includes most of Sun River Terrace and a portion of Momence.
It is located at 41.151894 N, -87.702760 W. It has . (39.92 square miles) of land and 0.703 km². (0.271 square miles) covered by water. It has 1,302 housing units.
Ganeer Township came into being in February 1859. The Township was excised from land in Momence Township.