3813 Postcode — Amersfoort, Utrecht

English Nederlands

4-digit postcode 3813 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: 15,035
Households: 7,195
Average property value: €389,000
Owner-occupied: 50%
Average household size: 2.1
Urbanity: Very strongly urban

Where 3813 is

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

People

Residents	15,035
Men	7,185
Women	7,850
Under 15	2,190
15 to 25	1,540
25 to 45	3,670
45 to 65	3,845
65 and over	3,790
Born abroad, in Europe	0%
Born abroad, outside Europe	10%

Households

Households	7,195
Average size	2.1
One-person households	40.8%2,935
Couples without children	2,115
One-parent families	7.9%570
Two-parent families	1,570

Housing

Homes	7,155
Average property value (WOZ)	€389,000
Owner-occupied	50%
Rented	50%
Housing-association homes	2,985
Flats and shared buildings	40.1%2,870
Built before 1945	2.2%155
Unoccupied	1.6%115

Area

Addresses per square kilometre	2,712
Urbanity	Very strongly urban
Residents on unemployment, disability or income support	9.6%1,440

Against the national median

The tick is the national median.

Housing

Owner-occupied	50%
Rented	50%
Flats and shared buildings	40.1%
Built before 1945	2.2%
Unoccupied	1.6%

Households

One-person households	40.8%
One-parent families	7.9%
Residents on unemployment, disability or income support	9.6%

Age bands

Under 15	14.566%
15 to 25	10.2428%
25 to 45	24.4097%
45 to 65	25.5737%
65 and over	25.2078%

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.