Pawnee City City Hall is the municipal office for Pawnee City, Nebraska, at 445 Sixth Street. Pawnee City is the county seat of Pawnee County, population 865. The site was designated county seat on November 4 1856, the townsite platted in spring 1857 and the city incorporated in 1858. Named for the Pawnee people. A fire on August 9 1881 destroyed two-thirds of downtown, which was rebuilt with fireproof construction. Pawnee City became a railroad junction town by the 1880s.