North Manheim was the location of the first canal tunnel in America.

At the time of the 2000 census there were 3,287 people, 1,255 households, and 901 families living in this township.

There were 1,339 housing units at an average density of 65.4 per square mile (25.3/km2).

[5] Of the 1,255 households that were counted during the census, 31.2% had children who were under the age of eighteen living with them; 60.9% were married couples living together, 6.6% had a female householder with no husband present, and 28.2% were non-families.

For every one hundred females were aged eighteen or older, there were 98.1 males.