4142 Postcode — Leerdam, Utrecht

English Nederlands

4-digit postcode 4142 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: 8,180
Households: 3,440
Average property value: €336,000
Owner-occupied: 40%
Average household size: 2.3
Urbanity: Moderately urban

Where 4142 is

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

People

Residents	8,180
Men	4,060
Women	4,120
Under 15	1,565
15 to 25	910
25 to 45	2,475
45 to 65	1,840
65 and over	1,385
Born abroad, in Europe	0%
Born abroad, outside Europe	20%

Households

Households	3,440
Average size	2.3
One-person households	34.4%1,185
Couples without children	890
One-parent families	8.3%285
Two-parent families	1,080

Housing

Homes	3,465
Average property value (WOZ)	€336,000
Owner-occupied	40%
Rented	60%
Housing-association homes	1,800
Flats and shared buildings	33.2%1,150
Built before 1945	5.8%200
Unoccupied	1.7%60

Area

Addresses per square kilometre	1,467
Urbanity	Moderately urban
Residents on unemployment, disability or income support	10.6%865

Against the national median

The tick is the national median.

Housing

Owner-occupied	40%
Rented	60%
Flats and shared buildings	33.2%
Built before 1945	5.8%
Unoccupied	1.7%

Households

One-person households	34.4%
One-parent families	8.3%
Residents on unemployment, disability or income support	10.6%

Age bands

Under 15	19.1437%
15 to 25	11.1315%
25 to 45	30.2752%
45 to 65	22.5076%
65 and over	16.9419%

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.