 delaware is a town in nowata county, oklahoma, united states. the population was 417 at the 2010 census, a loss of 8.6 percent since the 456 at the 2000 census.muninet guide: delaware, oklahoma the town is named for the eastern delaware tribe that moved into this area from kansas after signing a treaty with the cherokee nation in 1867.cheatham, gary l. encyclopedia of oklahoma history and culture "delaware." ==geography== delaware is located at  (36.778150, -95.641785).{{cite web|url=http://www.census.gov/geo/www/gazetteer/gazette.html|publisher=united states census bureau|accessdate=2
Towns_in_Nowata_County,_Oklahoma Towns_in_Oklahoma