3431 Postcode — Nieuwegein, Utrecht

English Nederlands

4-digit postcode 3431 covers Nieuwegein, 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: 8,560
Households: 4,625
Average property value: €333,000
Owner-occupied: 40%
Average household size: 1.8
Urbanity: Very strongly urban

Where 3431 is

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

People

Residents	8,560
Men	4,305
Women	4,250
Under 15	1,180
15 to 25	875
25 to 45	2,895
45 to 65	1,875
65 and over	1,735
Born abroad, in Europe	10%
Born abroad, outside Europe	20%

Households

Households	4,625
Average size	1.8
One-person households	49.6%2,295
Couples without children	1,200
One-parent families	8.5%395
Two-parent families	735

Housing

Homes	4,750
Average property value (WOZ)	€333,000
Owner-occupied	40%
Rented	60%
Housing-association homes	1,745
Flats and shared buildings	68.1%3,235
Built before 1945	3.4%160
Unoccupied	9.1%430

Area

Addresses per square kilometre	3,007
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	8.6%740

Against the national median

The tick is the national median.

Housing

Owner-occupied	40%
Rented	60%
Flats and shared buildings	68.1%
Built before 1945	3.4%
Unoccupied	9.1%

Households

One-person households	49.6%
One-parent families	8.5%
Residents on unemployment, disability or income support	8.6%

Age bands

Under 15	13.785%
15 to 25	10.222%
25 to 45	33.8201%
45 to 65	21.9042%
65 and over	20.2687%

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.