 allison township is a township in clinton county, pennsylvania, united states. the population was 198 at the 2000 census. ==geography== according to the united states census bureau, the township has a total area of , of which,  of it is land and  of it (5.53%) is water. ==demographics== as of the census of 2000, there were 198 people, 77 households, and 60 families residing in the township. the population density was 105.8 people per square mile (40.9/kmÂ²). there were 81 housing units at an average density of 43.3/sq&nbsp;mi (16.7/kmÂ²). the racial makeup of the township was 99.49% white, and 0.51% from two or more races. hispanic or latino of any race were 0.51% of the population. there were 77 households out of which 27.3% had ch
Populated_places_established_in_1850 Townships_in_Clinton_County,_Pennsylvania Townships_in_Pennsylvania