3112 Postcode — Schiedam, South Holland

English Nederlands

4-digit postcode 3112 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: 11,480
Households: 5,905
Average property value: €257,000
Owner-occupied: 40%
Average household size: 1.9
Urbanity: Very strongly urban

Where 3112 is

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

People

Residents	11,480
Men	6,015
Women	5,465
Under 15	1,745
15 to 25	1,325
25 to 45	4,375
45 to 65	2,805
65 and over	1,225
Born abroad, in Europe	20%
Born abroad, outside Europe	20%

Households

Households	5,905
Average size	1.9
One-person households	48.4%2,860
Couples without children	1,315
One-parent families	10.2%605
Two-parent families	1,125

Housing

Homes	5,380
Average property value (WOZ)	€257,000
Owner-occupied	40%
Rented	60%
Housing-association homes	1,205
Flats and shared buildings	83.5%4,490
Built before 1945	59.1%3,180
Unoccupied	4.9%265

Area

Addresses per square kilometre	4,502
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	7.8%890

Against the national median

The tick is the national median.

Housing

Owner-occupied	40%
Rented	60%
Flats and shared buildings	83.5%
Built before 1945	59.1%
Unoccupied	4.9%

Households

One-person households	48.4%
One-parent families	10.2%
Residents on unemployment, disability or income support	7.8%

Age bands

Under 15	15.207%
15 to 25	11.5468%
25 to 45	38.1264%
45 to 65	24.4444%
65 and over	10.6754%

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.