3551 Postcode — Utrecht, Utrecht

English Nederlands

4-digit postcode 3551 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: 7,235
Households: 4,285
Average property value: €422,000
Owner-occupied: 40%
Average household size: 1.7
Urbanity: Very strongly urban

Where 3551 is

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

People

Residents	7,235
Men	3,400
Women	3,835
Under 15	785
15 to 25	1,155
25 to 45	3,340
45 to 65	1,290
65 and over	665
Born abroad, in Europe	10%
Born abroad, outside Europe	10%

Households

Households	4,285
Average size	1.7
One-person households	56.8%2,435
Couples without children	1,090
One-parent families	5.6%240
Two-parent families	515

Housing

Homes	3,475
Average property value (WOZ)	€422,000
Owner-occupied	40%
Rented	60%
Housing-association homes	1,035
Flats and shared buildings	46.3%1,610
Built before 1945	75.7%2,630
Unoccupied	4.9%170

Area

Addresses per square kilometre	4,858
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	8.2%590

Against the national median

The tick is the national median.

Housing

Owner-occupied	40%
Rented	60%
Flats and shared buildings	46.3%
Built before 1945	75.7%
Unoccupied	4.9%

Households

One-person households	56.8%
One-parent families	5.6%
Residents on unemployment, disability or income support	8.2%

Age bands

Under 15	10.85%
15 to 25	15.9641%
25 to 45	46.1645%
45 to 65	17.83%
65 and over	9.19143%

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.