1851 Postcode — Heiloo, North Holland

English Nederlands

4-digit postcode 1851 covers Heiloo, North Holland. Dutch postcodes are four digits and two letters. The four digits identify a delivery area, and it is the level Statistics Netherlands publishes against, so the figures below describe this postcode itself rather than the town around it.

Residents: 12,685
Households: 5,785
Average property value: €546,000
Owner-occupied: 80%
Average household size: 2.2
Urbanity: Moderately urban

Where 1851 is

Heiloo, North Holland — the point recorded for this postal code. It marks the centre of the code, not its boundary.

People

Residents	12,685
Men	6,340
Women	6,345
Under 15	1,690
15 to 25	1,450
25 to 45	2,400
45 to 65	3,885
65 and over	3,260
Born abroad, in Europe	0%
Born abroad, outside Europe	0%

Households

Households	5,785
Average size	2.2
One-person households	36%2,080
Couples without children	1,830
One-parent families	5.6%325
Two-parent families	1,550

Housing

Homes	5,820
Average property value (WOZ)	€546,000
Owner-occupied	80%
Rented	20%
Housing-association homes	740
Flats and shared buildings	24.1%1,405
Built before 1945	22.7%1,320
Unoccupied	4.7%275

Area

Addresses per square kilometre	1,291
Urbanity	Moderately urban
Residents on unemployment, disability or income support	6.1%770

Against the national median

The tick is the national median.

Housing

Owner-occupied	80%
Rented	20%
Flats and shared buildings	24.1%
Built before 1945	22.7%
Unoccupied	4.7%

Households

One-person households	36%
One-parent families	5.6%
Residents on unemployment, disability or income support	6.1%

Age bands

Under 15	13.3228%
15 to 25	11.4308%
25 to 45	18.92%
45 to 65	30.6267%
65 and over	25.6996%

Figures from Statistics Netherlands (CBS), key figures per postcode, 1 January 2025. CBS withholds figures for areas with too few residents to publish safely, so a missing value here means withheld, not zero.