3735 Postcode — Bosch en Duin, Utrecht

English Nederlands

4-digit postcode 3735 covers Bosch en Duin, 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: 1,710
Households: 645
Average property value: €1,405,000
Owner-occupied: 80%
Average household size: 2.3
Urbanity: Not urban

Where 3735 is

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

People

Residents	1,710
Men	855
Women	855
Under 15	175
15 to 25	205
25 to 45	210
45 to 65	505
65 and over	610
Born abroad, in Europe	10%
Born abroad, outside Europe	10%

Households

Households	645
Average size	2.3
One-person households	20.9%135
Couples without children	310
One-parent families	3.1%20
Two-parent families	175

Housing

Homes	740
Average property value (WOZ)	€1,405,000
Owner-occupied	80%
Rented	20%
Flats and shared buildings	18.2%135
Built before 1945	19.6%145
Unoccupied	12.8%95

Area

Addresses per square kilometre	408
Urbanity	Not urban
Residents on unemployment, disability or income support	6.1%105

Against the national median

The tick is the national median.

Housing

Owner-occupied	80%
Rented	20%
Flats and shared buildings	18.2%
Built before 1945	19.6%
Unoccupied	12.8%

Households

One-person households	20.9%
One-parent families	3.1%
Residents on unemployment, disability or income support	6.1%

Age bands

Under 15	10.2639%
15 to 25	12.0235%
25 to 45	12.3167%
45 to 65	29.6188%
65 and over	35.7771%

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.