As of the 2020 census, its population was 690 and it contained 383 housing units.

[3] The crash of Northwest Orient Airlines Flight 710, which killed 63 people on March 17, 1960 occurred in Tobin Township.

The Old Perry County Courthouse was listed on the National Register of Historic Places in 1981.

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

The township contains these twenty cemeteries: Brashear, Bryant, Carr, Cockrell-Tate, Conner, Connor, Cooks, David Tate, George Tate, German Ridge, Gilliand, Groves, Harding, Hiley, Lamb, Lamb, Lower Cummings, Maier, Miller, Robinson, Saint Johns, Saint Peters, Sampley, Schraner, Seibert, Shoemaker, Simons, Smith, Tate, Upper Cummings and Wegenast.