3221 Postcode — Hellevoetsluis, South Holland

English Nederlands

4-digit postcode 3221 covers Hellevoetsluis, South 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: 5,835
Households: 2,940
Average property value: €353,000
Owner-occupied: 50%
Average household size: 2
Urbanity: Moderately urban

Where 3221 is

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

People

Residents	5,835
Men	2,870
Women	2,960
Under 15	735
15 to 25	550
25 to 45	1,255
45 to 65	1,635
65 and over	1,665
Born abroad, in Europe	10%
Born abroad, outside Europe	10%

Households

Households	2,940
Average size	2
One-person households	41.5%1,220
Couples without children	915
One-parent families	8.8%260
Two-parent families	550

Housing

Homes	2,600
Average property value (WOZ)	€353,000
Owner-occupied	50%
Rented	50%
Housing-association homes	1,050
Flats and shared buildings	36.9%960
Built before 1945	3.8%100
Unoccupied	4.8%125

Area

Addresses per square kilometre	1,251
Urbanity	Moderately urban
Residents on unemployment, disability or income support	8.3%485

Against the national median

The tick is the national median.

Housing

Owner-occupied	50%
Rented	50%
Flats and shared buildings	36.9%
Built before 1945	3.8%
Unoccupied	4.8%

Households

One-person households	41.5%
One-parent families	8.8%
Residents on unemployment, disability or income support	8.3%

Age bands

Under 15	12.5856%
15 to 25	9.41781%
25 to 45	21.4897%
45 to 65	27.9966%
65 and over	28.5103%

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.