The present name adopted in 1907, is for William L. Darling, a railroad official.

As of the census[1] of 2000, there were 600 people, 211 households, and 171 families residing in the township.

There were 231 housing units at an average density of 6.8 per square mile (2.6/km2).

There were 211 households, out of which 35.1% had children under the age of 18 living with them, 72.5% were married couples living together, 3.3% had a female householder with no husband present, and 18.5% were non-families.

16.1% of all households were made up of individuals, and 7.1% had someone living alone who was 65 years of age or older.