 waterford township is a township in erie county, pennsylvania, united states. the population was 3,878 at the 2000 census. ==history== the waterford covered bridge was listed on the national register of historic places in 1980. ==geography== according to the united states census bureau, the township has a total area of 50.3&nbsp;square miles (130.4&nbsp;kmÂ²), of which, 50.0&nbsp;square miles (129.6&nbsp;kmÂ²) of it is land and 0.3&nbsp;square miles (0.8&nbsp;kmÂ²) of it (0.62%) is water. ==demographics== as of the census of 2000, there were 3,878 people, 1,362 households, and 1,080 families residing in the township. the population density was 77.5 people per square mile (29.9/kmÂ²). there were 1,447 housing units at an average density of 28.9/sq&nbsp;mi (11.2/kmÂ²). the racial makeup of the township was 98.58% white, 0.15% african american, 0.05% native american, 0.08% asian, 0.05% from [[
Townships_in_Erie_County,_Pennsylvania Townships_in_Pennsylvania