3235 Postcode — Rockanje, South Holland

English Nederlands

4-digit postcode 3235 covers Rockanje, 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: 6,535
Households: 3,055
Average property value: €512,000
Owner-occupied: 70%
Average household size: 2.1
Urbanity: Little urban

Where 3235 is

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

People

Residents	6,535
Men	3,260
Women	3,275
Under 15	800
15 to 25	595
25 to 45	1,185
45 to 65	2,080
65 and over	1,870
Born abroad, in Europe	0%
Born abroad, outside Europe	0%

Households

Households	3,055
Average size	2.1
One-person households	33.2%1,015
Couples without children	1,110
One-parent families	6.5%200
Two-parent families	730

Housing

Homes	3,115
Average property value (WOZ)	€512,000
Owner-occupied	70%
Rented	30%
Housing-association homes	155
Flats and shared buildings	16.5%515
Built before 1945	14.4%450
Unoccupied	5.8%180

Area

Addresses per square kilometre	554
Urbanity	Little urban
Residents on unemployment, disability or income support	4.4%285

Against the national median

The tick is the national median.

Housing

Owner-occupied	70%
Rented	30%
Flats and shared buildings	16.5%
Built before 1945	14.4%
Unoccupied	5.8%

Households

One-person households	33.2%
One-parent families	6.5%
Residents on unemployment, disability or income support	4.4%

Age bands

Under 15	12.2511%
15 to 25	9.11179%
25 to 45	18.147%
45 to 65	31.853%
65 and over	28.6371%

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.