Washington Township is a former township of Boone County, Arkansas, USA. Its last appearance on the US Census was in 1950. Population history Other townships The Geographic Names Information System lists 13 townships named Washington in various counties in Arkansas. References United States Census Bureau 2008 TIGER/Line Shapefiles United States Board on Geographic Names (GNIS) United States National Atlas External links US-Counties.com City-Data.com Townships in Boone County, Arkansas Townships in Arkansas