3257 Postcode — Ooltgensplaat, South Holland

English Nederlands

4-digit postcode 3257 covers Ooltgensplaat, 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: 2,730
Households: 1,260
Average property value: €309,000
Owner-occupied: 70%
Average household size: 2.2
Urbanity: Not urban

Where 3257 is

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

People

Residents	2,730
Men	1,390
Women	1,340
Under 15	395
15 to 25	305
25 to 45	615
45 to 65	790
65 and over	625
Born abroad, in Europe	0%
Born abroad, outside Europe	0%

Households

Households	1,260
Average size	2.2
One-person households	36.9%465
Couples without children	405
One-parent families	6.3%80
Two-parent families	310

Housing

Homes	1,110
Average property value (WOZ)	€309,000
Owner-occupied	70%
Rented	30%
Housing-association homes	340
Flats and shared buildings	4.5%50
Built before 1945	34.2%380
Unoccupied	3.6%40

Area

Addresses per square kilometre	382
Urbanity	Not urban
Residents on unemployment, disability or income support	5.9%160

Against the national median

The tick is the national median.

Housing

Owner-occupied	70%
Rented	30%
Flats and shared buildings	4.5%
Built before 1945	34.2%
Unoccupied	3.6%

Households

One-person households	36.9%
One-parent families	6.3%
Residents on unemployment, disability or income support	5.9%

Age bands

Under 15	14.4689%
15 to 25	11.1722%
25 to 45	22.5275%
45 to 65	28.9377%
65 and over	22.8938%

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.