2405 Postcode — Alphen aan den Rijn, South Holland

English Nederlands

4-digit postcode 2405 covers Alphen aan den Rijn, 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: 8,325
Households: 4,020
Average property value: €372,000
Owner-occupied: 60%
Average household size: 2
Urbanity: Very strongly urban

Where 2405 is

Alphen aan den Rijn, South Holland — the point recorded for this postal code. It marks the centre of the code, not its boundary.

People

Residents	8,325
Men	4,095
Women	4,230
Under 15	1,185
15 to 25	930
25 to 45	2,405
45 to 65	2,145
65 and over	1,660
Born abroad, in Europe	10%
Born abroad, outside Europe	10%

Households

Households	4,020
Average size	2
One-person households	39.6%1,590
Couples without children	1,160
One-parent families	9.5%380
Two-parent families	890

Housing

Homes	4,060
Average property value (WOZ)	€372,000
Owner-occupied	60%
Rented	40%
Housing-association homes	1,125
Flats and shared buildings	45.6%1,850
Built before 1945	26.6%1,080
Unoccupied	2.7%110

Area

Addresses per square kilometre	3,095
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	6.8%570

Against the national median

The tick is the national median.

Housing

Owner-occupied	60%
Rented	40%
Flats and shared buildings	45.6%
Built before 1945	26.6%
Unoccupied	2.7%

Households

One-person households	39.6%
One-parent families	9.5%
Residents on unemployment, disability or income support	6.8%

Age bands

Under 15	14.2342%
15 to 25	11.1712%
25 to 45	28.8889%
45 to 65	25.7658%
65 and over	19.9399%

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.