 As of 2019 its total population is 65,644, out of which the population of Kluczbork is 23,554, that of Wołczyn is 5,907, that of Byczyna is 3,582, and the rural population is 32,601.Kluczbork County is bordered by Kępno County and Wieruszów County to the north, Olesno County to the south-east, Opole County to the south, and Namysłów County to the west.The county is subdivided into four gminas (three urban-rural and one rural).