Lempäälä (Swedish:Lembois) is a municipality in southwestern Finland with 22,442 inhabitants (30 June 2015). Lempäälä is located south of the city of Tampere. The municipality covers an area of 307.07 square kilometres (118.56sqmi) of which 37.51km (14.48sqmi) is water. The population density is 83.25 inhabitants per square kilometre (215.6/sqmi).