  middletown township is a township in susquehanna county, pennsylvania, united states. the population was 382 at the 2010 census. ==geography== according to the united states census bureau, the township has a total area of , of which,  of it is land and a negligible amount of water. ==demographics== as of the census of 2010, there were 382 people, 151 households, and 107 families residing in the township. the population density was 13.2 people per square mile (5.1/kmÂ²). there were 275 housing units at an average density of 9.5/sq&nbsp;mi (3.7/kmÂ²). the racial makeup of the township was 98.4% white, 0.5% asian, 0.3% from pacific islander, and 0.8% from two or more races. hispanic or latino of any race were 1.6% of the population. there were 151 households out of which 28.5% had chi
Populated_places_established_in_1799 Townships_in_Pennsylvania Townships_in_Susquehanna_County,_Pennsylvania