3401 Postcode — IJsselstein, Utrecht

English Nederlands

4-digit postcode 3401 covers IJsselstein, Utrecht. 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: 12,190
Households: 5,400
Average property value: €485,000
Owner-occupied: 60%
Average household size: 2.2
Urbanity: Strongly urban

Where 3401 is

IJsselstein, Utrecht — the point recorded for this postal code. It marks the centre of the code, not its boundary.

People

Residents	12,190
Men	5,800
Women	6,390
Under 15	1,725
15 to 25	1,435
25 to 45	2,535
45 to 65	3,615
65 and over	2,880
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	5,400
Average size	2.2
One-person households	34.7%1,875
Couples without children	1,620
One-parent families	7.2%390
Two-parent families	1,520

Housing

Homes	5,510
Average property value (WOZ)	€485,000
Owner-occupied	60%
Rented	40%
Housing-association homes	995
Flats and shared buildings	30.8%1,695
Built before 1945	11.2%615
Unoccupied	3%165

Area

Addresses per square kilometre	2,058
Urbanity	Strongly urban
Residents on unemployment, disability or income support	5%615

Against the national median

The tick is the national median.

Housing

Owner-occupied	60%
Rented	40%
Flats and shared buildings	30.8%
Built before 1945	11.2%
Unoccupied	3%

Households

One-person households	34.7%
One-parent families	7.2%
Residents on unemployment, disability or income support	5%

Age bands

Under 15	14.1509%
15 to 25	11.7719%
25 to 45	20.7957%
45 to 65	29.6555%
65 and over	23.6259%

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.