Postcode · Austerlitz, Utrecht

Postcode 3711: Neighbourhood Oost

On 1 January 2026, postcode 3711 in Austerlitz (Oost) had 1,855 residents. 12.7% of them (235 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Zeist (27.4%) and lower than the national average (29.1%). The largest origin groups are Indonesia (2.7%), other Europe (2.4%) and Germany (1.3%). 42.6% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.1 percentage points.

Residents: 1,855 on 1 January 2026
Migration background: 12.7% 235 people
Born abroad: 42.6% of those with a migration background
Change since 2022: +2.1 pp in share with a migration background

Migration background, share of residents

Share of residents with a migration background in this postcode and its neighbours.

Where residents come from

Origin of residents on 1 January 2026, as a share of all residents.

Dutch origin and migration background

87%

Dutch origin 87.1% 1,615
Migration background 12.7% 235

Largest origin groups

Bars show each group’s share of all residents of 3711. For comparison, the line marks Municipality of Zeist and the circle the Netherlands.

Indonesia

2.7% 50 people

Municipality of Zeist 2.8% Netherlands 1.9%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

2.4% 45 people

Municipality of Zeist 4.1% Netherlands 5.6%
Germany

1.3% 25 people

Municipality of Zeist 1.7% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.3% 25 people

Municipality of Zeist 1.6% Netherlands 1.7%
Suriname

1.1% 20 people

Municipality of Zeist 1.5% Netherlands 2.0%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

1.1% 20 people

Municipality of Zeist 0.77% Netherlands 1.1%
Other Asia Asia excluding Indonesia and Turkey

1.1% 20 people

Municipality of Zeist 4.7% Netherlands 5.3%
Poland

0.54% 10 people

Municipality of Zeist 0.63% Netherlands 1.4%
Other Africa Africa excluding Morocco

0.54% 10 people

Municipality of Zeist 2.1% Netherlands 2.3%
Belgium

0.27% 5 people

Municipality of Zeist 0.59% Netherlands 0.76%
Turkey

0.0% 0 people

Municipality of Zeist 1.1% Netherlands 2.6%
Morocco

0.0% 0 people

Municipality of Zeist 5.7% Netherlands 2.4%

First and second generation

Residents with a migration background, by whether they were born abroad themselves.

43% 57%

Born abroad (first generation) 42.6% 100
Born in the Netherlands (second generation) 57.4% 135

Men and women

Men: 935
Women: 920

Compared with all postcodes

Netherlands 29.1% 3711 12.7%

Higher than 32% of all postcodes in the Netherlands

Trend since 1998

Share of residents with a migration background, compared with larger areas.

Show

Measure % Residents

New CBS classification

12.7%

3711
Municipality of Zeist
Netherlands

Show as table

Year	3711	Municipality of Zeist	Netherlands
1998	9.5%	18.4%	16.7%
1999	9.5%	18.9%	17.1%
2000	9.7%	19.4%	17.5%
2001	9.9%	19.7%	18.0%
2002	9.4%	19.9%	18.4%
2003	8.8%	20.0%	18.8%
2004	9.4%	20.2%	19.0%
2005	9.2%	20.6%	19.2%
2006	9.8%	20.8%	19.3%
2007	9.7%	20.9%	19.4%
2008	9.8%	21.2%	19.6%
2009	9.2%	21.4%	19.9%
2010	8.9%	21.7%	20.3%
2011	9.2%	21.9%	20.6%
2012	9.4%	22.3%	20.9%
2013	9.0%	22.5%	21.1%
2014	9.8%	22.7%	21.4%
2015	9.7%	23.0%	21.7%
2016	8.9%	23.1%	22.1%
2017	8.8%	23.4%	22.6%
2018	9.2%	23.6%	23.1%
2019	8.8%	23.4%	23.6%
2020	9.1%	23.6%	24.2%
2021	9.4%	23.7%	24.6%
2022	10.6%	25.6%	26.0%
2023	11.6%	26.5%	27.1%
2024	11.7%	26.8%	27.9%
2025	12.4%	27.1%	28.5%
2026	12.7%	27.4%	29.1%

In 2022 CBS switched to a new origin classification. Up to 2021 the line shows the old “migration background” figures; the overlap years show a small break (about +0.8 points nationally).

Nearby postcodes

				Largest group
3931 Nico Bergsteijn	15.8%	15,100	+3.5 pp	Other Asia
3971 Driebergen	16.8%	8,085	+1.0 pp	Indonesia
3707 Centrum	23.7%	6,090	+4.9 pp	Other Asia
3951 Maarn	16.1%	4,695	+1.0 pp	Indonesia

All figures

Number of residents per origin group on 1 January. Figures up to 2021 use the old CBS classification.

Year	Total residents	Dutch origin	Migration background	Europe	Outside Europe	Turkey	Morocco	Suriname	Indonesia	Dutch Caribbean	Germany	Poland	Belgium	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
1998	1,525	1,385	145	70	65	0	0	10	35	15	40	5	5	20	5	0	0	110	30
1999	1,525	1,375	145	75	75	0	0	5	35	10	40	0	10	25	10	5	10	115	30
2000	1,540	1,395	150	80	65	0	5	10	35	10	35	0	5	40	5	0	0	120	25
2001	1,515	1,365	150	75	65	0	5	5	35	10	35	5	5	30	0	5	5	120	30
2002	1,540	1,400	145	70	70	0	5	5	35	10	30	0	10	30	10	5	0	110	30
2003	1,485	1,350	130	65	60	0	0	0	35	10	30	5	10	20	10	0	5	105	30
2004	1,545	1,400	145	65	70	0	10	0	30	15	30	0	10	25	5	10	0	110	35
2005	1,525	1,385	140	70	75	0	10	0	35	10	30	0	5	35	5	0	15	105	35
2006	1,525	1,375	150	65	80	0	10	10	35	15	30	5	5	25	5	5	0	110	35
2007	1,495	1,350	145	60	80	0	5	5	35	15	25	0	5	30	10	5	5	100	40
2008	1,475	1,330	145	65	85	0	10	10	35	10	30	0	10	25	5	5	10	105	40
2009	1,475	1,345	135	60	75	0	5	10	30	10	25	0	5	30	10	5	5	95	40
2010	1,465	1,335	130	55	65	0	5	10	30	10	25	5	5	20	5	0	5	95	35
2011	1,530	1,390	140	55	90	5	5	15	30	15	20	5	10	20	10	5	5	95	45
2012	1,535	1,390	145	65	80	0	5	15	30	20	20	0	10	35	10	0	0	95	50
2013	1,505	1,365	135	60	80	0	5	15	30	15	20	5	5	30	5	5	5	90	45
2014	1,480	1,335	145	70	80	0	10	10	25	15	20	5	5	40	5	5	10	95	50
2015	1,495	1,350	145	65	80	0	5	10	35	15	20	5	5	35	10	0	5	100	45
2016	1,465	1,335	130	55	80	0	0	10	30	15	20	10	0	25	10	5	10	95	40
2017	1,480	1,350	130	50	75	0	0	10	30	15	20	5	0	25	10	5	5	85	40
2018	1,475	1,340	135	50	85	0	0	10	30	10	20	5	5	20	10	10	15	90	40
2019	1,480	1,350	130	45	85	5	0	10	35	10	20	5	5	15	5	5	15	95	40
2020	1,650	1,500	150	55	95	5	0	15	40	10	20	5	5	25	10	10	5	105	45
2021	1,710	1,550	160	70	95	0	0	10	45	15	25	10	5	30	5	15	5	120	45
2022	1,790	1,600	190	80	115	0	0	15	45	15	25	10	5	35	10	15	10	120	50
2023	1,855	1,640	215	85	130	0	0	10	50	20	25	10	10	45	15	20	15	140	55
2024	1,880	1,660	220	80	140	0	5	20	50	20	25	10	5	40	15	20	15	–	–
2025	1,860	1,635	230	85	145	0	0	20	45	20	25	10	5	45	10	20	20	–	–
2026	1,855	1,615	235	90	145	0	0	20	50	20	25	10	5	45	10	20	25	–	–

Definitions and method · CBS 85640NED (2022–2026), 83503NED (1998–2023)