Willebroek is a
municipality located in the
Belgian province of
Antwerp. The municipality comprises the towns of
Blaasveld[?],
Heindonk[?],
Tisselt[?] and Willebroek proper. On January 1st, 2000 Willebroek had a total population of 22,508 (10,990 males and 11,518 females). The total area is 27.27
km² which gives a
population density of 825.38 inhabitants per km².