3631 Postcode — Nieuwersluis, Utrecht

English Nederlands

4-digit postcode 3631 covers Nieuwersluis, 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: 490
Households: 195
Average property value: €979,000
Owner-occupied: 80%
Average household size: 2.2
Urbanity: Not urban

Where 3631 is

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

People

Residents	490
Men	230
Women	260
Under 15	50
15 to 25	55
25 to 45	105
45 to 65	185
65 and over	90
Born abroad, in Europe	10%
Born abroad, outside Europe	10%

Households

Households	195
Average size	2.2
One-person households	28.2%55
Couples without children	75
One-parent families	7.7%15
Two-parent families	55

Housing

Homes	180
Average property value (WOZ)	€979,000
Owner-occupied	80%
Rented	20%
Flats and shared buildings	8.3%15
Built before 1945	63.9%115
Unoccupied	13.9%25

Area

Addresses per square kilometre	128
Urbanity	Not urban
Residents on unemployment, disability or income support	3.1%15

Against the national median

The tick is the national median.

Housing

Owner-occupied	80%
Rented	20%
Flats and shared buildings	8.3%
Built before 1945	63.9%
Unoccupied	13.9%

Households

One-person households	28.2%
One-parent families	7.7%
Residents on unemployment, disability or income support	3.1%

Age bands

Under 15	10.3093%
15 to 25	11.3402%
25 to 45	21.6495%
45 to 65	38.1443%
65 and over	18.5567%

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.