Deuel County was formed in 1889 and was named after Harry Porter Deuel, an early pioneer in this area. Area Page: Western Nebraska AreaCounty Seat: Chappell NebraskaLicense Platte Prefix: 78Census 2010: 1,941Cities Towns in the County: Big Springs NebraskaChappell NebraskaCounty Map with Cities: Deuel County MapWebsite - County: Deuel County Nebraska Official Website