8561 Postcode — Balk, Friesland

English Nederlands

4-digit postcode 8561 covers Balk, 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: 4,460
Households: 1,870
Average property value: €317,000
Owner-occupied: 50%
Average household size: 2.1
Urbanity: Little urban

Where 8561 is

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

People

Residents	4,460
Men	2,240
Women	2,220
Under 15	675
15 to 25	485
25 to 45	985
45 to 65	1,040
65 and over	1,275
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	1,870
Average size	2.1
One-person households	37.2%695
Couples without children	610
One-parent families	5.6%105
Two-parent families	455

Housing

Homes	1,970
Average property value (WOZ)	€317,000
Owner-occupied	50%
Rented	50%
Housing-association homes	705
Flats and shared buildings	16.8%330
Built before 1945	7.9%155
Unoccupied	6.1%120

Area

Addresses per square kilometre	578
Urbanity	Little urban
Residents on unemployment, disability or income support	5.2%230

Against the national median

The tick is the national median.

Housing

Owner-occupied	50%
Rented	50%
Flats and shared buildings	16.8%
Built before 1945	7.9%
Unoccupied	6.1%

Households

One-person households	37.2%
One-parent families	5.6%
Residents on unemployment, disability or income support	5.2%

Age bands

Under 15	15.1345%
15 to 25	10.8744%
25 to 45	22.0852%
45 to 65	23.3184%
65 and over	28.5874%

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.