1813 Postcode — Alkmaar, North Holland

English Nederlands

4-digit postcode 1813 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: 9,055
Households: 4,535
Average property value: €318,000
Owner-occupied: 40%
Average household size: 2
Urbanity: Very strongly urban

Where 1813 is

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

People

Residents	9,055
Men	4,440
Women	4,615
Under 15	1,505
15 to 25	1,000
25 to 45	2,780
45 to 65	2,230
65 and over	1,545
Born abroad, in Europe	0%
Born abroad, outside Europe	20%

Households

Households	4,535
Average size	2
One-person households	46.4%2,105
Couples without children	1,055
One-parent families	11.1%505
Two-parent families	870

Housing

Homes	4,420
Average property value (WOZ)	€318,000
Owner-occupied	40%
Rented	60%
Housing-association homes	2,315
Flats and shared buildings	61.1%2,700
Built before 1945	6%265
Unoccupied	3.2%140

Area

Addresses per square kilometre	2,740
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	13.9%1,255

Against the national median

The tick is the national median.

Housing

Owner-occupied	40%
Rented	60%
Flats and shared buildings	61.1%
Built before 1945	6%
Unoccupied	3.2%

Households

One-person households	46.4%
One-parent families	11.1%
Residents on unemployment, disability or income support	13.9%

Age bands

Under 15	16.6115%
15 to 25	11.0375%
25 to 45	30.6843%
45 to 65	24.6137%
65 and over	17.053%

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.