2312 Postcode — Leiden, South Holland

English Nederlands

4-digit postcode 2312 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: 15,000
Households: 10,820
Average property value: €392,000
Owner-occupied: 20%
Average household size: 1.4
Urbanity: Very strongly urban

Where 2312 is

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

People

Residents	15,000
Men	7,055
Women	7,950
Under 15	645
15 to 25	4,540
25 to 45	5,585
45 to 65	2,660
65 and over	1,570
Born abroad, in Europe	10%
Born abroad, outside Europe	10%

Households

Households	10,820
Average size	1.4
One-person households	73.8%7,990
Couples without children	2,005
One-parent families	2.9%315
Two-parent families	505

Housing

Homes	8,060
Average property value (WOZ)	€392,000
Owner-occupied	20%
Rented	80%
Housing-association homes	2,480
Flats and shared buildings	75.6%6,095
Built before 1945	60%4,840
Unoccupied	7%565

Area

Addresses per square kilometre	5,760
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	6.4%965

Against the national median

The tick is the national median.

Housing

Owner-occupied	20%
Rented	80%
Flats and shared buildings	75.6%
Built before 1945	60%
Unoccupied	7%

Households

One-person households	73.8%
One-parent families	2.9%
Residents on unemployment, disability or income support	6.4%

Age bands

Under 15	4.3%
15 to 25	30.2667%
25 to 45	37.2333%
45 to 65	17.7333%
65 and over	10.4667%

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.