 As of 2006 its total population is 87,430, out of which the population of Płońsk is 22,233, that of Raciąż is 4,752, and the rural population is 60,445.Płońsk County is bordered by Mława County and Ciechanów County to the north, Pułtusk County to the east, Nowy Dwór Mazowiecki County to the south-east, Sochaczew County to the south, Płock County and Sierpc County to the west, and Żuromin County to the north-west.The county is subdivided into 12 gminas (two urban and 10 rural).