4131 Postcode — Vianen, Utrecht

English Nederlands

4-digit postcode 4131 covers Vianen, 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: 4,265
Households: 1,930
Average property value: €313,000
Owner-occupied: 40%
Average household size: 2.1
Urbanity: Moderately urban

Where 4131 is

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

People

Residents	4,265
Men	2,055
Women	2,210
Under 15	640
15 to 25	465
25 to 45	1,115
45 to 65	925
65 and over	1,120
Born abroad, in Europe	0%
Born abroad, outside Europe	20%

Households

Households	1,930
Average size	2.1
One-person households	40.7%785
Couples without children	495
One-parent families	10.4%200
Two-parent families	455

Housing

Homes	2,000
Average property value (WOZ)	€313,000
Owner-occupied	40%
Rented	60%
Housing-association homes	1,160
Flats and shared buildings	44%880
Built before 1945	1.2%25
Unoccupied	2.8%55

Area

Addresses per square kilometre	1,145
Urbanity	Moderately urban
Residents on unemployment, disability or income support	10.1%430

Against the national median

The tick is the national median.

Housing

Owner-occupied	40%
Rented	60%
Flats and shared buildings	44%
Built before 1945	1.2%
Unoccupied	2.8%

Households

One-person households	40.7%
One-parent families	10.4%
Residents on unemployment, disability or income support	10.1%

Age bands

Under 15	15.0059%
15 to 25	10.9027%
25 to 45	26.143%
45 to 65	21.6882%
65 and over	26.2603%

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.