2333 Postcode — Leiden, South Holland

English Nederlands

4-digit postcode 2333 covers Leiden, 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: 4,440
Households: 3,240
Average property value: €317,000
Owner-occupied: 20%
Average household size: 1.3
Urbanity: Very strongly urban

Where 2333 is

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

People

Residents	4,440
Men	2,075
Women	2,365
Under 15	270
15 to 25	1,660
25 to 45	1,670
45 to 65	475
65 and over	365
Born abroad, in Europe	20%
Born abroad, outside Europe	20%

Households

Households	3,240
Average size	1.3
One-person households	78.2%2,535
Couples without children	450
One-parent families	1.5%50
Two-parent families	200

Housing

Homes	2,895
Average property value (WOZ)	€317,000
Owner-occupied	20%
Rented	80%
Housing-association homes	880
Flats and shared buildings	87.9%2,545
Built before 1945	11.9%345
Unoccupied	3.3%95

Area

Addresses per square kilometre	2,614
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	2.6%115

Against the national median

The tick is the national median.

Housing

Owner-occupied	20%
Rented	80%
Flats and shared buildings	87.9%
Built before 1945	11.9%
Unoccupied	3.3%

Households

One-person households	78.2%
One-parent families	1.5%
Residents on unemployment, disability or income support	2.6%

Age bands

Under 15	6.08108%
15 to 25	37.3874%
25 to 45	37.6126%
45 to 65	10.6982%
65 and over	8.22072%

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.