Heiloo (population: 21,794) is a town in the north-western Netherlands, in the province of North Holland. The municipality covers an area of 19.01 km².
... density is 943.4/km² (2,444.3/mi²). There are 5,418 housing units at an average density of 300.6/km² (778.8/mi²). The racial makeup of the town is ...