9001 Postcode — Grou, Friesland

English Nederlands

4-digit postcode 9001 covers Grou, Friesland. 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: 5,775
Households: 2,800
Average property value: €327,000
Owner-occupied: 60%
Average household size: 2
Urbanity: Little urban

Where 9001 is

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

People

Residents	5,775
Men	2,865
Women	2,910
Under 15	765
15 to 25	605
25 to 45	1,140
45 to 65	1,675
65 and over	1,590
Born abroad, in Europe	0%
Born abroad, outside Europe	0%

Households

Households	2,800
Average size	2
One-person households	38.8%1,085
Couples without children	905
One-parent families	8%225
Two-parent families	585

Housing

Homes	2,760
Average property value (WOZ)	€327,000
Owner-occupied	60%
Rented	40%
Housing-association homes	770
Flats and shared buildings	12.3%340
Built before 1945	17.6%485
Unoccupied	4.5%125

Area

Addresses per square kilometre	732
Urbanity	Little urban
Residents on unemployment, disability or income support	6.9%400

Against the national median

The tick is the national median.

Housing

Owner-occupied	60%
Rented	40%
Flats and shared buildings	12.3%
Built before 1945	17.6%
Unoccupied	4.5%

Households

One-person households	38.8%
One-parent families	8%
Residents on unemployment, disability or income support	6.9%

Age bands

Under 15	13.2468%
15 to 25	10.4762%
25 to 45	19.7403%
45 to 65	29.0043%
65 and over	27.5325%

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.