In 2001, the town of Benningbroek had 871 inhabitants. The built-up area of the town was 0.16 km², and contained 331 residences. The wider statistical area of Benningbroek has a population of around 1350. This includes a long ribbon of residences along the road to Midwoud in the east. On the west, Benningbroek has merged with Sijbekarspel.