2351 Postcode — Leiderdorp, South Holland

English Nederlands

4-digit postcode 2351 covers Leiderdorp, 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: 5,355
Households: 2,190
Average property value: €563,000
Owner-occupied: 80%
Average household size: 2.4
Urbanity: Strongly urban

Where 2351 is

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

People

Residents	5,355
Men	2,645
Women	2,715
Under 15	945
15 to 25	625
25 to 45	1,135
45 to 65	1,600
65 and over	1,050
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	2,190
Average size	2.4
One-person households	27.9%610
Couples without children	665
One-parent families	7.1%155
Two-parent families	765

Housing

Homes	2,195
Average property value (WOZ)	€563,000
Owner-occupied	80%
Rented	20%
Housing-association homes	230
Flats and shared buildings	16.4%360
Built before 1945	28.2%620
Unoccupied	2.7%60

Area

Addresses per square kilometre	1,727
Urbanity	Strongly urban
Residents on unemployment, disability or income support	3.5%185

Against the national median

The tick is the national median.

Housing

Owner-occupied	80%
Rented	20%
Flats and shared buildings	16.4%
Built before 1945	28.2%
Unoccupied	2.7%

Households

One-person households	27.9%
One-parent families	7.1%
Residents on unemployment, disability or income support	3.5%

Age bands

Under 15	17.6471%
15 to 25	11.6713%
25 to 45	21.1951%
45 to 65	29.8786%
65 and over	19.6078%

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.