The unincorporated community of Hawick is located within Roseville Township.

The city of Regal is located within the township geographically but is a separate entity.

Roseville Township was organized in 1866, and named for the abundance of wild roses within its borders.

The racial makeup of the township was 99.12% White, 0.35% Native American, 0.53% from other races.

22.6% of all households were made up of individuals, and 8.7% had someone living alone who was 65 years of age or older.