Sheridan County was formed in 1885 and was named after General Philip H. Sheridan. Area Page: Western Nebraska AreaCounty Seat: Rushville NebraskaLicense Platte Prefix: 61Census 2010: 5,469Cities Towns in the County: Bingham NebraskaEllsworth NebraskaGordon NebraskaHay Springs NebraskaLakeside NebraskaRushville NebraskaWhiteclay NebraskaCounty Map with Cities: Sheridan County MapWebsite - County: Sheridan County Nebraska Official WebsiteWebsite - County Fair: Sheridan County Nebraska County FairWebsite - County Tourism: Sheridan County Nebraska Tourism Official Website