3525 Postcode — Utrecht, Utrecht

English Nederlands

4-digit postcode 3525 covers Utrecht, Utrecht. 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: 6,795
Households: 3,170
Average property value: €442,000
Owner-occupied: 40%
Average household size: 2.1
Urbanity: Very strongly urban

Where 3525 is

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

People

Residents	6,795
Men	3,350
Women	3,445
Under 15	1,385
15 to 25	950
25 to 45	2,290
45 to 65	1,440
65 and over	730
Born abroad, in Europe	0%
Born abroad, outside Europe	20%

Households

Households	3,170
Average size	2.1
One-person households	46.7%1,480
Couples without children	590
One-parent families	7.9%250
Two-parent families	845

Housing

Homes	2,860
Average property value (WOZ)	€442,000
Owner-occupied	40%
Rented	60%
Housing-association homes	1,445
Flats and shared buildings	53.3%1,525
Built before 1945	19.6%560
Unoccupied	3.8%110

Area

Addresses per square kilometre	3,117
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	11.6%785

Against the national median

The tick is the national median.

Housing

Owner-occupied	40%
Rented	60%
Flats and shared buildings	53.3%
Built before 1945	19.6%
Unoccupied	3.8%

Households

One-person households	46.7%
One-parent families	7.9%
Residents on unemployment, disability or income support	11.6%

Age bands

Under 15	20.3826%
15 to 25	13.9809%
25 to 45	33.7013%
45 to 65	21.1921%
65 and over	10.7432%

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.