3511 Postcode — Utrecht, Utrecht

English Nederlands

4-digit postcode 3511 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: 9,560
Households: 6,555
Average property value: €570,000
Owner-occupied: 30%
Average household size: 1.4
Urbanity: Very strongly urban

Where 3511 is

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

People

Residents	9,560
Men	4,705
Women	4,860
Under 15	445
15 to 25	1,540
25 to 45	4,435
45 to 65	1,740
65 and over	1,400
Born abroad, in Europe	10%
Born abroad, outside Europe	10%

Households

Households	6,555
Average size	1.4
One-person households	67.3%4,410
Couples without children	1,620
One-parent families	2.4%160
Two-parent families	360

Housing

Homes	5,410
Average property value (WOZ)	€570,000
Owner-occupied	30%
Rented	70%
Housing-association homes	850
Flats and shared buildings	81.3%4,400
Built before 1945	55.3%2,990
Unoccupied	11.1%600

Area

Addresses per square kilometre	5,862
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	4.9%465

Against the national median

The tick is the national median.

Housing

Owner-occupied	30%
Rented	70%
Flats and shared buildings	81.3%
Built before 1945	55.3%
Unoccupied	11.1%

Households

One-person households	67.3%
One-parent families	2.4%
Residents on unemployment, disability or income support	4.9%

Age bands

Under 15	4.65481%
15 to 25	16.1088%
25 to 45	46.3912%
45 to 65	18.2008%
65 and over	14.6444%

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.