4143 Postcode — Leerdam, Utrecht

English Nederlands

4-digit postcode 4143 covers Leerdam, 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: 6,500
Households: 2,635
Average property value: €389,000
Owner-occupied: 60%
Average household size: 2.5
Urbanity: Moderately urban

Where 4143 is

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

People

Residents	6,500
Men	3,200
Women	3,300
Under 15	1,040
15 to 25	845
25 to 45	1,405
45 to 65	1,705
65 and over	1,500
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	2,635
Average size	2.5
One-person households	26.9%710
Couples without children	870
One-parent families	7.6%200
Two-parent families	860

Housing

Homes	2,610
Average property value (WOZ)	€389,000
Owner-occupied	60%
Rented	40%
Housing-association homes	885
Flats and shared buildings	16.1%420
Built before 1945	8%210
Unoccupied	2.3%60

Area

Addresses per square kilometre	1,292
Urbanity	Moderately urban
Residents on unemployment, disability or income support	6%390

Against the national median

The tick is the national median.

Housing

Owner-occupied	60%
Rented	40%
Flats and shared buildings	16.1%
Built before 1945	8%
Unoccupied	2.3%

Households

One-person households	26.9%
One-parent families	7.6%
Residents on unemployment, disability or income support	6%

Age bands

Under 15	16.0123%
15 to 25	13.01%
25 to 45	21.632%
45 to 65	26.251%
65 and over	23.0947%

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.