8455 Postcode — Katlijk, Friesland

English Nederlands

4-digit postcode 8455 covers Katlijk, 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: 605
Households: 265
Average property value: €531,000
Owner-occupied: 90%
Average household size: 2.3
Urbanity: Not urban

Where 8455 is

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

People

Residents	605
Men	295
Women	310
Under 15	60
15 to 25	80
25 to 45	90
45 to 65	230
65 and over	145
Born abroad, outside Europe	0%

Households

Households	265
Average size	2.3
One-person households	32.1%85
Couples without children	90
One-parent families	7.5%20
Two-parent families	75

Housing

Homes	225
Average property value (WOZ)	€531,000
Owner-occupied	90%
Rented	10%
Housing-association homes	10
Flats and shared buildings	4.4%10
Built before 1945	33.3%75
Unoccupied	2.2%5

Area

Addresses per square kilometre	47
Urbanity	Not urban
Residents on unemployment, disability or income support	6.6%40

Against the national median

The tick is the national median.

Housing

Owner-occupied	90%
Rented	10%
Flats and shared buildings	4.4%
Built before 1945	33.3%
Unoccupied	2.2%

Households

One-person households	32.1%
One-parent families	7.5%
Residents on unemployment, disability or income support	6.6%

Age bands

Under 15	9.91736%
15 to 25	13.2231%
25 to 45	14.876%
45 to 65	38.0165%
65 and over	23.9669%

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.