Pawnee County was formed in 1854 and was named after the Pawnee Native American tribe. Area Page: Eastern South Nebraska AreaCounty Seat: Pawnee City NebraskaLicense Platte Prefix: 54Census 2010: 2,773Cities Towns in the County: Pawnee City NebraskaCounty Map with Cities: Pawnee County MapWebsite - County: Pawnee County Nebraska Official Website