3135 Postcode — Vlaardingen, South Holland

English Nederlands

4-digit postcode 3135 covers Vlaardingen, 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: 12,620
Households: 5,500
Average property value: €346,000
Owner-occupied: 60%
Average household size: 2.3
Urbanity: Very strongly urban

Where 3135 is

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

People

Residents	12,620
Men	6,155
Women	6,465
Under 15	2,335
15 to 25	1,370
25 to 45	3,285
45 to 65	3,305
65 and over	2,325
Born abroad, in Europe	10%
Born abroad, outside Europe	10%

Households

Households	5,500
Average size	2.3
One-person households	33%1,815
Couples without children	1,490
One-parent families	10.5%580
Two-parent families	1,615

Housing

Homes	5,500
Average property value (WOZ)	€346,000
Owner-occupied	60%
Rented	40%
Housing-association homes	1,840
Flats and shared buildings	44.5%2,445
Built before 1945	25.5%1,400
Unoccupied	2.5%135

Area

Addresses per square kilometre	2,675
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	6.8%855

Against the national median

The tick is the national median.

Housing

Owner-occupied	60%
Rented	40%
Flats and shared buildings	44.5%
Built before 1945	25.5%
Unoccupied	2.5%

Households

One-person households	33%
One-parent families	10.5%
Residents on unemployment, disability or income support	6.8%

Age bands

Under 15	18.5024%
15 to 25	10.8558%
25 to 45	26.0301%
45 to 65	26.1886%
65 and over	18.4231%

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.