3147 Postcode — Maassluis, South Holland

English Nederlands

4-digit postcode 3147 covers Maassluis, 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: 1,915
Households: 630
Average property value: €605,000
Owner-occupied: 70%
Average household size: 3.1
Urbanity: Strongly urban

Where 3147 is

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

People

Residents	1,915
Men	955
Women	960
Under 15	510
15 to 25	245
25 to 45	575
45 to 65	450
65 and over	140
Born abroad, in Europe	0%
Born abroad, outside Europe	0%

Households

Households	630
Average size	3.1
One-person households	11.9%75
Couples without children	150
One-parent families	7.9%50
Two-parent families	355

Housing

Homes	705
Average property value (WOZ)	€605,000
Owner-occupied	70%
Rented	30%
Housing-association homes	115
Flats and shared buildings	16.3%115
Built before 1945	3.5%25
Unoccupied	12.1%85

Area

Addresses per square kilometre	1,581
Urbanity	Strongly urban
Residents on unemployment, disability or income support	3.1%60

Against the national median

The tick is the national median.

Housing

Owner-occupied	70%
Rented	30%
Flats and shared buildings	16.3%
Built before 1945	3.5%
Unoccupied	12.1%

Households

One-person households	11.9%
One-parent families	7.9%
Residents on unemployment, disability or income support	3.1%

Age bands

Under 15	26.5625%
15 to 25	12.7604%
25 to 45	29.9479%
45 to 65	23.4375%
65 and over	7.29167%

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.