The racial makeup of the township was 97.50% White, 0.07% Black or African American, 0.62% Native American, 0.37% Asian, 0.25% from other races, and 1.19% from two or more races.

The township contains two incorporated settlements: Glen Allen and Marble Hill.

The township contains the unincorporated areas and historical communities of Laflin and Leopold.

The township contains the following 17 cemeteries: Bailey, Baker, Barks, Buehler, County Memorial Park, Crader, Deck, Dry Creek, Eaker, Ebenezer, Hahn, Lessley, Myers, Perkins, Saint Johns, Shell, and Shelton.

Lorance Township contains one airport or landing strip: Twin City Airpark in Marble Hill.