4521 Postcode — Biervliet, Zeeland

English Nederlands

4-digit postcode 4521 covers Biervliet, Zeeland. 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: 1,595
Households: 750
Average property value: €266,000
Owner-occupied: 80%
Average household size: 2.1
Urbanity: Not urban

Where 4521 is

Biervliet, Zeeland — the point recorded for this postal code. It marks the centre of the code, not its boundary.

People

Residents	1,595
Men	825
Women	770
Under 15	230
15 to 25	145
25 to 45	385
45 to 65	460
65 and over	370
Born abroad, in Europe	10%
Born abroad, outside Europe	0%

Households

Households	750
Average size	2.1
One-person households	32.7%245
Couples without children	290
One-parent families	4.7%35
Two-parent families	175

Housing

Homes	845
Average property value (WOZ)	€266,000
Owner-occupied	80%
Rented	20%
Housing-association homes	35
Flats and shared buildings	4.7%40
Built before 1945	23.1%195
Unoccupied	13%110

Area

Addresses per square kilometre	197
Urbanity	Not urban
Residents on unemployment, disability or income support	5%80

Against the national median

The tick is the national median.

Housing

Owner-occupied	80%
Rented	20%
Flats and shared buildings	4.7%
Built before 1945	23.1%
Unoccupied	13%

Households

One-person households	32.7%
One-parent families	4.7%
Residents on unemployment, disability or income support	5%

Age bands

Under 15	14.4654%
15 to 25	9.1195%
25 to 45	24.2138%
45 to 65	28.9308%
65 and over	23.2704%

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.