3812 Postcode — Amersfoort, Utrecht

English Nederlands

4-digit postcode 3812 covers Amersfoort, 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: 12,800
Households: 6,460
Average property value: €368,000
Owner-occupied: 40%
Average household size: 2
Urbanity: Strongly urban

Where 3812 is

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

People

Residents	12,800
Men	6,440
Women	6,360
Under 15	2,080
15 to 25	1,310
25 to 45	4,525
45 to 65	2,980
65 and over	1,900
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	6,460
Average size	2
One-person households	44.7%2,890
Couples without children	1,705
One-parent families	8%515
Two-parent families	1,350

Housing

Homes	6,315
Average property value (WOZ)	€368,000
Owner-occupied	40%
Rented	60%
Housing-association homes	2,730
Flats and shared buildings	39%2,460
Built before 1945	47.5%3,000
Unoccupied	2.8%175

Area

Addresses per square kilometre	2,249
Urbanity	Strongly urban
Residents on unemployment, disability or income support	9.7%1,245

Against the national median

The tick is the national median.

Housing

Owner-occupied	40%
Rented	60%
Flats and shared buildings	39%
Built before 1945	47.5%
Unoccupied	2.8%

Households

One-person households	44.7%
One-parent families	8%
Residents on unemployment, disability or income support	9.7%

Age bands

Under 15	16.2564%
15 to 25	10.2384%
25 to 45	35.3654%
45 to 65	23.2903%
65 and over	14.8496%

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.