It is also the capital of Slawno County in West Pomeranian Voivodship since 1999, previously in Slupsk Voivodship (1975-1998).
Population 1950: ? inhabitants 1960: 8.600 inhabitants 1970: 10.800 inhabitants 1975: 11.500 inhabitants 1980: 12.700 inhabitants 1990: ? inhabitants 2000: ? inhabitants
1950: ? inhabitants 1960: 8.600 inhabitants 1970: 10.800 inhabitants 1975: 11.500 inhabitants 1980: 12.700 inhabitants 1990: ? inhabitants 2000: ? inhabitants