2401 Postcode — Alphen aan den Rijn, South Holland

English Nederlands

4-digit postcode 2401 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: 9,385
Households: 4,165
Average property value: €368,000
Owner-occupied: 60%
Average household size: 2.3
Urbanity: Strongly urban

Where 2401 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	9,385
Men	4,745
Women	4,640
Under 15	1,560
15 to 25	1,065
25 to 45	2,400
45 to 65	2,455
65 and over	1,905
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	4,165
Average size	2.3
One-person households	34.3%1,430
Couples without children	1,240
One-parent families	7.2%300
Two-parent families	1,190

Housing

Homes	4,190
Average property value (WOZ)	€368,000
Owner-occupied	60%
Rented	40%
Housing-association homes	1,165
Flats and shared buildings	40.2%1,685
Built before 1945	2.9%120
Unoccupied	2.9%120

Area

Addresses per square kilometre	2,000
Urbanity	Strongly urban
Residents on unemployment, disability or income support	6.3%595

Against the national median

The tick is the national median.

Housing

Owner-occupied	60%
Rented	40%
Flats and shared buildings	40.2%
Built before 1945	2.9%
Unoccupied	2.9%

Households

One-person households	34.3%
One-parent families	7.2%
Residents on unemployment, disability or income support	6.3%

Age bands

Under 15	16.6223%
15 to 25	11.3479%
25 to 45	25.5727%
45 to 65	26.1588%
65 and over	20.2983%

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.