Bark River Township is a civil township of Delta County in the U.S. state of Michigan. As of the 2010 census, the township population was 1,578, down from 1,650 at the 2000 census. The township takes its name from the Bark River.CommunitiesBark River is an unincorporated community within the township, near the Bark River at. It is situated on US-2 and US-41, about 11 miles west of Escanaba and just east of the Hannahville Indian Reservation. The ZIP code is 49807.Schaffer is an unincorporated community within the township, north of the Bark River at. It is situated on M-69, about 14 miles northwest of Escanaba. The ZIP code is 49807.GeographyAccording to the United States Census Bureau, the township has a total area of 45.6sqmi, of which 45.6sqmi is land and 0.1sqmi (0.13%) is water.DemographicsAs of the census of 2000, there were 1,650 people, 612 households, and 479 families residing in the township. The population density was 36.2 per square mile (14.0/km²). There were 680 housing units at an average density of 14.9 per square mile (5.8/km²). The racial makeup of the township was 95.09% White, 0.12% African American, 2.67% Native American, 0.36% Asian, 0.24% from other races, and 1.52% from two or more races. Hispanic or Latino of any race were 0.18% of the population.