3601 Postcode — Maarssen, Utrecht

English Nederlands

4-digit postcode 3601 covers Maarssen, 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: 7,410
Households: 3,515
Average property value: €480,000
Owner-occupied: 50%
Average household size: 2
Urbanity: Moderately urban

Where 3601 is

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

People

Residents	7,410
Men	3,530
Women	3,880
Under 15	1,055
15 to 25	705
25 to 45	1,525
45 to 65	1,965
65 and over	2,160
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	3,515
Average size	2
One-person households	41%1,440
Couples without children	995
One-parent families	8.4%295
Two-parent families	780

Housing

Homes	3,540
Average property value (WOZ)	€480,000
Owner-occupied	50%
Rented	40%
Housing-association homes	1,180
Flats and shared buildings	42.1%1,490
Built before 1945	11.9%420
Unoccupied	5.2%185

Area

Addresses per square kilometre	1,485
Urbanity	Moderately urban
Residents on unemployment, disability or income support	5.8%430

Against the national median

The tick is the national median.

Housing

Owner-occupied	50%
Rented	40%
Flats and shared buildings	42.1%
Built before 1945	11.9%
Unoccupied	5.2%

Households

One-person households	41%
One-parent families	8.4%
Residents on unemployment, disability or income support	5.8%

Age bands

Under 15	14.2375%
15 to 25	9.51417%
25 to 45	20.5803%
45 to 65	26.5182%
65 and over	29.1498%

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.