Londerzeel is a municipality located in the Belgian province of Flemish Brabant. The municipality comprises the towns of Londerzeel proper, Malderen, Steenhuffel and Sint-Jozef. On 1 January 2018, Londerzeel had a total population of 18,620. The total area is 36.53 km2 which gives a population density of 510 inhabitants per km2. Their football team is K. Londerzeel S.K.