1817 Postcode — Alkmaar, North Holland

English Nederlands

4-digit postcode 1817 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: 4,380
Households: 2,220
Average property value: €444,000
Owner-occupied: 60%
Average household size: 2
Urbanity: Strongly urban

Where 1817 is

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

People

Residents	4,380
Men	2,160
Women	2,220
Under 15	685
15 to 25	490
25 to 45	1,210
45 to 65	1,140
65 and over	850
Born abroad, in Europe	10%
Born abroad, outside Europe	10%

Households

Households	2,220
Average size	2
One-person households	47.3%1,050
Couples without children	510
One-parent families	7%155
Two-parent families	505

Housing

Homes	1,860
Average property value (WOZ)	€444,000
Owner-occupied	60%
Rented	40%
Housing-association homes	110
Flats and shared buildings	23.7%440
Built before 1945	32%595
Unoccupied	3.2%60

Area

Addresses per square kilometre	1,866
Urbanity	Strongly urban
Residents on unemployment, disability or income support	5.7%250

Against the national median

The tick is the national median.

Housing

Owner-occupied	60%
Rented	40%
Flats and shared buildings	23.7%
Built before 1945	32%
Unoccupied	3.2%

Households

One-person households	47.3%
One-parent families	7%
Residents on unemployment, disability or income support	5.7%

Age bands

Under 15	15.6571%
15 to 25	11.2%
25 to 45	27.6571%
45 to 65	26.0571%
65 and over	19.4286%

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.