3723 Postcode — Bilthoven, Utrecht

English Nederlands

4-digit postcode 3723 covers Bilthoven, 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: 10,155
Households: 4,340
Average property value: €819,000
Owner-occupied: 60%
Average household size: 2.3
Urbanity: Moderately urban

Where 3723 is

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

People

Residents	10,155
Men	4,830
Women	5,325
Under 15	1,690
15 to 25	975
25 to 45	1,630
45 to 65	2,795
65 and over	3,060
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	4,340
Average size	2.3
One-person households	34%1,475
Couples without children	1,370
One-parent families	6.1%265
Two-parent families	1,230

Housing

Homes	4,615
Average property value (WOZ)	€819,000
Owner-occupied	60%
Rented	40%
Housing-association homes	1,160
Flats and shared buildings	28.2%1,300
Built before 1945	20.9%965
Unoccupied	4.9%225

Area

Addresses per square kilometre	1,151
Urbanity	Moderately urban
Residents on unemployment, disability or income support	5.3%540

Against the national median

The tick is the national median.

Housing

Owner-occupied	60%
Rented	40%
Flats and shared buildings	28.2%
Built before 1945	20.9%
Unoccupied	4.9%

Households

One-person households	34%
One-parent families	6.1%
Residents on unemployment, disability or income support	5.3%

Age bands

Under 15	16.6502%
15 to 25	9.60591%
25 to 45	16.0591%
45 to 65	27.5369%
65 and over	30.1478%

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.