   knox township is a township in clearfield county, pennsylvania, in the united states. as of the 2010 united states census the population was 647.http://www.census.gov/2010census/ ==geography== according to the united states census bureau, the township has a total area of , all of it land. ==communities== *boardman *carnwath *erhard *kellytown *new millport *o'shanter *oak ridge ==demographics== as of the census of 2000, there were 705 people, 295 households, and 215 families residing in the township. the population density was 27.9 people per square mile (10.8/kmÂ²). there were 356 housing units at an average density of 14.1/sq&nbsp;mi (5.4/kmÂ²). the racial makeup of the township was 99.57% white, 0.14% native american, and 0.28% from two or more races. [[hispanic (u.s. census)|hispanic
Populated_places_established_in_1806 Townships_in_Clearfield_County,_Pennsylvania Townships_in_Pennsylvania