As of the 2020 census, its population was 1,551 and it contained 690 housing units.

[3] It was one of the first three townships originally created by the county's commissioners in 1840.

[4] It takes its name from White Oak Grove which grew southwest of Oxford.

[5] According to the 2020 census, the township has a total area of 35.53 square miles (92.0 km2), of which 35.51 square miles (92.0 km2) (or 99.94%) is land and 0.02 square miles (0.052 km2) (or 0.06%) is water.

[3] The township contains two cemeteries: Justus and Oxford.