 strasburg township is a township in south central lancaster county, pennsylvania, united states. the population was 4,021 at the 2000 census. ==geography== according to the united states census bureau, the township has a total area of 20.0&nbsp;square miles (51.9&nbsp;kmÂ²), of which, 20.0&nbsp;square miles (51.8&nbsp;kmÂ²) of it is land and 0.04&nbsp;square miles (0.1&nbsp;kmÂ²) of it (0.20%) is water. ==demographics==  as of the census of 2000, there were 4,021 people, 1,275 households, and 1,071 families residing in the township. the population density was 201.1 people per square mile (77.6/kmÂ²). there were 1,295 housing units at an average density of 64.8/sq&nbsp;mi (25.0/kmÂ²). the racial makeup of the township was 98.96% white, 0.20% african american, 0.02% native american, 0.10% [[asian (u.s. 
1712_establishments_in_the_Thirteen_Colonies Populated_places_established_in_1712 Townships_in_Lancaster_County,_Pennsylvania Townships_in_Pennsylvania