  robinson township is a township in washington county, pennsylvania, united states. the population was 2,193 at the 2000 census. it was formerly an area of interest concerning coal mining. a portion of the montour trail passes through robinson township. ==geography== according to the united states census bureau, the township has a total area of 21.2&nbsp;square miles (55.0&nbsp;kmÂ²), of which, 21.2&nbsp;square miles (54.8&nbsp;kmÂ²) of it is land and 0.1&nbsp;square miles (0.2&nbsp;kmÂ²) of it (0.42%) is water. ==demographics== as of the census of 2000, there were 2,193 people, 841 households, and 624 families residing in the township. the population density was 103.7 people per square mile (40.0/kmÂ²). there were 902 housing units at an average density of 42.6/sq&nbsp;mi (16.5/kmÂ²). the racial makeup of the township was 95.49% white, 3.33% african american, 0.23% native american, 0.09% [[asian (u.s. cens
Pittsburgh_metropolitan_area Townships_in_Pennsylvania Townships_in_Washington_County,_Pennsylvania