Hall County was formed in 1858 and was named after Augustus Hall, an early judge of this territory. Area Page: Central South East Nebraska AreaCounty Seat: Grand Island NebraskaLicense Platte Prefix: 8Census 2010: 58,607Cities Towns in the County: Grand Island NebraskaCounty Map with Cities: Hall County MapWebsite - County: Hall County Nebraska Official WebsiteWebsite - County Fair: Hall County Nebraska County Fair