 As of 2006 its total population is 54,490, out of which the population of Ostrzeszów is 14,536, that of Grabów nad Prosną is 1,967, that of Mikstat is 1,840, and the rural population is 36,147.Ostrzeszów County is bordered by Kalisz County to the north, Sieradz County to the east, Wieruszów County to the south-east, Kępno County to the south, Oleśnica County to the west and Ostrów Wielkopolski County to the north-west.The county is subdivided into seven gminas (three urban-rural and four rural).