3122 Postcode — Schiedam, South Holland

English Nederlands

4-digit postcode 3122 covers Schiedam, 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: 9,645
Households: 4,745
Average property value: €249,000
Owner-occupied: 30%
Average household size: 2
Urbanity: Very strongly urban

Where 3122 is

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

People

Residents	9,645
Men	4,440
Women	5,205
Under 15	1,730
15 to 25	1,095
25 to 45	2,565
45 to 65	2,135
65 and over	2,115
Born abroad, in Europe	10%
Born abroad, outside Europe	20%

Households

Households	4,745
Average size	2
One-person households	44.9%2,130
Couples without children	980
One-parent families	17.2%815
Two-parent families	825

Housing

Homes	4,745
Average property value (WOZ)	€249,000
Owner-occupied	30%
Rented	70%
Housing-association homes	2,680
Flats and shared buildings	92.9%4,410
Unoccupied	3.3%155

Area

Addresses per square kilometre	3,097
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	11.4%1,095

Against the national median

The tick is the national median.

Housing

Owner-occupied	30%
Rented	70%
Flats and shared buildings	92.9%
Unoccupied	3.3%

Households

One-person households	44.9%
One-parent families	17.2%
Residents on unemployment, disability or income support	11.4%

Age bands

Under 15	17.9461%
15 to 25	11.3589%
25 to 45	26.6079%
45 to 65	22.1473%
65 and over	21.9398%

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.