In 2001, the town of Warmenhuizen had 4,925 inhabitants. The built-up area of the town was 1.5 km², and contained 1812 residences.
The statistical area "Warmenhuizen", which also can include the peripheral parts of the village, as well as the surrounding countryside, has a population of around 5940.
An agricultural community. The area surrounding the town produces mainly dairy products, cabbage/potatoes, and hot house flowers. Mainly a Roman Catholic community featuring two churches, an old Protestant one, fallen into disuse, built in 16th century and a more modern Roman Catholic church constructed in the early 20th century.
Warmenhuizen was a separate municipality until 1990, when it was merged with Harenkarspel. Harenkarspel merged with Schagen in 2013.
Notable people born in Warmenhuizen
Joop Klant (1915 - 1994), economist, novelist and Professor of Political Economy at the University of Amsterdam
Jos Pronk (born 1983), professional racing cyclist
Maarten van der Weijden (born 1981), long distance and marathon swimmer
Marco van Duin (born 1987), goalkeeper for Almere City
Matthé Pronk (born 1974), professional road bicycle racer