Pruszków is a town in central Poland, situated in the Masovian Voivodeship since 1999. It was previously in Warszawa Voivodeship (1975–1998). Pruszków is the capital of Pruszków County, located along the western edge of the Warsaw urban area. The town's population has grown significantly, from 16,000 in the early part of the 20th century to 55,387 in the 2006 census by the Central Statistical Office of Poland. According to the 2004 census, Pruszków had a population of 54,893.