[4] Located in the western part of the county, it borders the following townships: No municipalities are located in Whitewater Township, although four unincorporated census-designated places lie in the township: Elizabethtown in the southwest, Hooven in the southeast, Blue Jay in the north, and Miamitown in the east.

The racial makeup of the township was 90.3% White, 1.8% Black or African American, 0.2% Native American, 0.3% Asian, 0.1% Pacific Islander, 1.5% from some other race, and 5.9% from two or more races.

30.4% of all households were made up of individuals, and 15.5% were someone living alone who was 65 years of age or older.

[2] According to the U.S. Census American Community Survey, for the period 2016-2020 the estimated median annual income for a household in the township was $55,957 , and the median income for a family was $66,878.

[2] The township is governed by a three-member board of trustees, who are elected in November of odd-numbered years to a four-year term beginning on the following January 1.