1815 Postcode — Alkmaar, North Holland

English Nederlands

4-digit postcode 1815 covers Alkmaar, 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: 7,295
Households: 3,750
Average property value: €445,000
Owner-occupied: 70%
Average household size: 1.9
Urbanity: Very strongly urban

Where 1815 is

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

People

Residents	7,295
Men	3,590
Women	3,705
Under 15	855
15 to 25	775
25 to 45	2,030
45 to 65	2,025
65 and over	1,610
Born abroad, in Europe	10%
Born abroad, outside Europe	10%

Households

Households	3,750
Average size	1.9
One-person households	44.7%1,675
Couples without children	1,135
One-parent families	7.2%270
Two-parent families	670

Housing

Homes	3,700
Average property value (WOZ)	€445,000
Owner-occupied	70%
Rented	30%
Housing-association homes	310
Flats and shared buildings	37.2%1,375
Built before 1945	66.8%2,470
Unoccupied	5%185

Area

Addresses per square kilometre	3,398
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	6.9%505

Against the national median

The tick is the national median.

Housing

Owner-occupied	70%
Rented	30%
Flats and shared buildings	37.2%
Built before 1945	66.8%
Unoccupied	5%

Households

One-person households	44.7%
One-parent families	7.2%
Residents on unemployment, disability or income support	6.9%

Age bands

Under 15	11.7204%
15 to 25	10.6237%
25 to 45	27.8273%
45 to 65	27.7587%
65 and over	22.0699%

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.