9931 Postcode — Delfzijl, Groningen

English Nederlands

4-digit postcode 9931 covers Delfzijl, 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: 1,265
Households: 615
Average property value: €220,000
Owner-occupied: 30%
Average household size: 2
Urbanity: Moderately urban

Where 9931 is

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

People

Residents	1,265
Men	650
Women	615
Under 15	185
15 to 25	235
25 to 45	325
45 to 65	325
65 and over	190
Born abroad, in Europe	0%
Born abroad, outside Europe	20%

Households

Households	615
Average size	2
One-person households	43.1%265
Couples without children	155
One-parent families	11.4%70
Two-parent families	125

Housing

Homes	880
Average property value (WOZ)	€220,000
Owner-occupied	30%
Rented	70%
Housing-association homes	525
Flats and shared buildings	17%150
Built before 1945	2.8%25
Unoccupied	33.5%295

Area

Addresses per square kilometre	1,028
Urbanity	Moderately urban
Residents on unemployment, disability or income support	13.8%175

Against the national median

The tick is the national median.

Housing

Owner-occupied	30%
Rented	70%
Flats and shared buildings	17%
Built before 1945	2.8%
Unoccupied	33.5%

Households

One-person households	43.1%
One-parent families	11.4%
Residents on unemployment, disability or income support	13.8%

Age bands

Under 15	14.6825%
15 to 25	18.6508%
25 to 45	25.7937%
45 to 65	25.7937%
65 and over	15.0794%

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.