3361 Postcode — Sliedrecht, South Holland

English Nederlands

4-digit postcode 3361 covers Sliedrecht, 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: 6,815
Households: 2,840
Average property value: €371,000
Owner-occupied: 70%
Average household size: 2.3
Urbanity: Strongly urban

Where 3361 is

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

People

Residents	6,815
Men	3,405
Women	3,415
Under 15	1,175
15 to 25	825
25 to 45	1,735
45 to 65	1,715
65 and over	1,370
Born abroad, in Europe	0%
Born abroad, outside Europe	0%

Households

Households	2,840
Average size	2.3
One-person households	32.7%930
Couples without children	865
One-parent families	6.2%175
Two-parent families	875

Housing

Homes	2,960
Average property value (WOZ)	€371,000
Owner-occupied	70%
Rented	30%
Housing-association homes	500
Flats and shared buildings	29.7%880
Built before 1945	49.7%1,470
Unoccupied	5.4%160

Area

Addresses per square kilometre	1,739
Urbanity	Strongly urban
Residents on unemployment, disability or income support	5.9%400

Against the national median

The tick is the national median.

Housing

Owner-occupied	70%
Rented	30%
Flats and shared buildings	29.7%
Built before 1945	49.7%
Unoccupied	5.4%

Households

One-person households	32.7%
One-parent families	6.2%
Residents on unemployment, disability or income support	5.9%

Age bands

Under 15	17.2287%
15 to 25	12.0968%
25 to 45	25.4399%
45 to 65	25.1466%
65 and over	20.088%

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.