2224 Postcode — Katwijk, South Holland

English Nederlands

4-digit postcode 2224 covers Katwijk, 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: 9,665
Households: 4,070
Average property value: €436,000
Owner-occupied: 50%
Average household size: 2.4
Urbanity: Very strongly urban

Where 2224 is

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

People

Residents	9,665
Men	4,675
Women	4,990
Under 15	1,660
15 to 25	1,345
25 to 45	2,230
45 to 65	2,685
65 and over	1,745
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	4,070
Average size	2.4
One-person households	34.4%1,400
Couples without children	1,015
One-parent families	8.7%355
Two-parent families	1,295

Housing

Homes	4,050
Average property value (WOZ)	€436,000
Owner-occupied	50%
Rented	50%
Housing-association homes	1,670
Flats and shared buildings	48.1%1,950
Built before 1945	4.6%185
Unoccupied	2.2%90

Area

Addresses per square kilometre	2,626
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	7.3%710

Against the national median

The tick is the national median.

Housing

Owner-occupied	50%
Rented	50%
Flats and shared buildings	48.1%
Built before 1945	4.6%
Unoccupied	2.2%

Households

One-person households	34.4%
One-parent families	8.7%
Residents on unemployment, disability or income support	7.3%

Age bands

Under 15	17.1754%
15 to 25	13.9162%
25 to 45	23.0729%
45 to 65	27.7807%
65 and over	18.0548%

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.