1823 Postcode — Alkmaar, North Holland

English Nederlands

4-digit postcode 1823 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: 7,530
Households: 3,580
Average property value: €402,000
Owner-occupied: 60%
Average household size: 2.1
Urbanity: Very strongly urban

Where 1823 is

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

People

Residents	7,530
Men	3,695
Women	3,840
Under 15	1,105
15 to 25	800
25 to 45	1,835
45 to 65	2,190
65 and over	1,605
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	3,580
Average size	2.1
One-person households	36.9%1,320
Couples without children	1,070
One-parent families	10.5%375
Two-parent families	815

Housing

Homes	3,545
Average property value (WOZ)	€402,000
Owner-occupied	60%
Rented	40%
Housing-association homes	1,140
Flats and shared buildings	47%1,665
Built before 1945	13.8%490
Unoccupied	2.5%90

Area

Addresses per square kilometre	3,086
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	10.2%765

Against the national median

The tick is the national median.

Housing

Owner-occupied	60%
Rented	40%
Flats and shared buildings	47%
Built before 1945	13.8%
Unoccupied	2.5%

Households

One-person households	36.9%
One-parent families	10.5%
Residents on unemployment, disability or income support	10.2%

Age bands

Under 15	14.6649%
15 to 25	10.6171%
25 to 45	24.353%
45 to 65	29.0644%
65 and over	21.3006%

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.