9951 Postcode — Winsum, Groningen

English Nederlands

4-digit postcode 9951 covers Winsum, Groningen. 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: 7,470
Households: 3,200
Average property value: €324,000
Owner-occupied: 70%
Average household size: 2.2
Urbanity: Little urban

Where 9951 is

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

People

Residents	7,470
Men	3,600
Women	3,870
Under 15	1,230
15 to 25	865
25 to 45	1,430
45 to 65	2,030
65 and over	1,915
Born abroad, in Europe	0%
Born abroad, outside Europe	0%

Households

Households	3,200
Average size	2.2
One-person households	33.3%1,065
Couples without children	1,010
One-parent families	8.8%280
Two-parent families	850

Housing

Homes	3,335
Average property value (WOZ)	€324,000
Owner-occupied	70%
Rented	30%
Housing-association homes	710
Flats and shared buildings	10%335
Built before 1945	15%500
Unoccupied	2.8%95

Area

Addresses per square kilometre	691
Urbanity	Little urban
Residents on unemployment, disability or income support	6.4%475

Against the national median

The tick is the national median.

Housing

Owner-occupied	70%
Rented	30%
Flats and shared buildings	10%
Built before 1945	15%
Unoccupied	2.8%

Households

One-person households	33.3%
One-parent families	8.8%
Residents on unemployment, disability or income support	6.4%

Age bands

Under 15	16.4659%
15 to 25	11.5797%
25 to 45	19.1432%
45 to 65	27.1754%
65 and over	25.6359%

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.