8521 Postcode — Sint Nicolaasga, Friesland

English Nederlands

4-digit postcode 8521 covers Sint Nicolaasga, 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: 3,355
Households: 1,410
Average property value: €326,000
Owner-occupied: 70%
Average household size: 2.3
Urbanity: Not urban

Where 8521 is

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

People

Residents	3,355
Men	1,670
Women	1,690
Under 15	475
15 to 25	400
25 to 45	730
45 to 65	855
65 and over	900
Born abroad, in Europe	0%
Born abroad, outside Europe	0%

Households

Households	1,410
Average size	2.3
One-person households	34%480
Couples without children	460
One-parent families	6.4%90
Two-parent families	380

Housing

Homes	1,450
Average property value (WOZ)	€326,000
Owner-occupied	70%
Rented	30%
Housing-association homes	350
Flats and shared buildings	13.1%190
Built before 1945	18.6%270
Unoccupied	3.8%55

Area

Addresses per square kilometre	374
Urbanity	Not urban
Residents on unemployment, disability or income support	7%235

Against the national median

The tick is the national median.

Housing

Owner-occupied	70%
Rented	30%
Flats and shared buildings	13.1%
Built before 1945	18.6%
Unoccupied	3.8%

Households

One-person households	34%
One-parent families	6.4%
Residents on unemployment, disability or income support	7%

Age bands

Under 15	14.1369%
15 to 25	11.9048%
25 to 45	21.7262%
45 to 65	25.4464%
65 and over	26.7857%

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.