North Harrison Township is one of twenty current townships in Boone County, Arkansas, USA. As of the 2010 census, its total population was 8,057. Although the township includes a significant portion of the city of Harrison, it also encompasses rural areas. Prior to 1950, this township, along with South Harrison Township, were part of a single Harrison T…North Harrison Township is one of twenty current townships in Boone County, Arkansas, USA. As of the 2010 census, its total population was 8,057. Although the township includes a significant portion of the city of Harrison, it also encompasses rural areas. Prior to 1950, this township, along with South Harrison Township, were part of a single Harrison Township. Boundary lines may have been different between the former single Harrison Township and the two modern day townships.