[2] Ararat Township was formed in 1852 from portions of Herrick, Thompson, and Gibson Twps.

[3] The Ararat Summit Station was a stop on the Jefferson Branch of the Erie Railroad.

There were 452 housing units at an average density of 23.9 per square mile (9.2/km2).

[10] Of the 218 households 27.1% had children under the age of 18 living with them, 61.0% were married couples living together, 3.7% had a female householder with no husband present, and 30.7% were non-families.

As of the census[11] of 2010, there were 563 people, 246 households, and 155 families living in the township.

There were 478 housing units at an average density of 25.7 per square mile (9.9/km2).

Of the 246 households 25.2% had children under the age of 18 living with them, 54.1% were married couples living together, 5.7% had a female householder with no husband present, and 37% were non-families.