3241 Postcode — Middelharnis, South Holland

English Nederlands

4-digit postcode 3241 covers Middelharnis, South Holland. 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: 8,060
Households: 3,415
Average property value: €354,000
Owner-occupied: 60%
Average household size: 2.3
Urbanity: Moderately urban

Where 3241 is

Middelharnis, South Holland — the point recorded for this postal code. It marks the centre of the code, not its boundary.

People

Residents	8,060
Men	3,980
Women	4,080
Under 15	1,305
15 to 25	915
25 to 45	1,950
45 to 65	2,145
65 and over	1,745
Born abroad, in Europe	10%
Born abroad, outside Europe	0%

Households

Households	3,415
Average size	2.3
One-person households	31.9%1,090
Couples without children	1,110
One-parent families	7.3%250
Two-parent families	965

Housing

Homes	3,525
Average property value (WOZ)	€354,000
Owner-occupied	60%
Rented	40%
Housing-association homes	1,055
Flats and shared buildings	21%740
Built before 1945	22.4%790
Unoccupied	6.2%220

Area

Addresses per square kilometre	1,144
Urbanity	Moderately urban
Residents on unemployment, disability or income support	7.7%620

Against the national median

The tick is the national median.

Housing

Owner-occupied	60%
Rented	40%
Flats and shared buildings	21%
Built before 1945	22.4%
Unoccupied	6.2%

Households

One-person households	31.9%
One-parent families	7.3%
Residents on unemployment, disability or income support	7.7%

Age bands

Under 15	16.1911%
15 to 25	11.3524%
25 to 45	24.1935%
45 to 65	26.6129%
65 and over	21.6501%

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.