1511 Postcode — Oostzaan, North Holland

English Nederlands

4-digit postcode 1511 covers Oostzaan, North 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: 9,735
Households: 4,180
Average property value: €522,000
Owner-occupied: 70%
Average household size: 2.3
Urbanity: Moderately urban

Where 1511 is

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

People

Residents	9,735
Men	4,780
Women	4,955
Under 15	1,495
15 to 25	1,090
25 to 45	2,110
45 to 65	2,840
65 and over	2,195
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	4,180
Average size	2.3
One-person households	30.1%1,260
Couples without children	1,275
One-parent families	7.8%325
Two-parent families	1,320

Housing

Homes	4,170
Average property value (WOZ)	€522,000
Owner-occupied	70%
Rented	30%
Housing-association homes	1,160
Flats and shared buildings	17.4%725
Built before 1945	7.1%295
Unoccupied	4%165

Area

Addresses per square kilometre	1,067
Urbanity	Moderately urban
Residents on unemployment, disability or income support	5.2%505

Against the national median

The tick is the national median.

Housing

Owner-occupied	70%
Rented	30%
Flats and shared buildings	17.4%
Built before 1945	7.1%
Unoccupied	4%

Households

One-person households	30.1%
One-parent families	7.8%
Residents on unemployment, disability or income support	5.2%

Age bands

Under 15	15.3649%
15 to 25	11.2025%
25 to 45	21.6855%
45 to 65	29.1881%
65 and over	22.5591%

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.