Postcode · Oud Zuilen, Utrecht

Postcode 3611: Migration background and origin

On 1 January 2026, postcode 3611 in Oud Zuilen had 595 residents. 16.0% of them (95 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Stichtse Vecht (23.8%) and lower than the national average (29.1%). The largest origin groups are Indonesia (4.2%), other Europe (4.2%) and Germany (2.5%). 42.1% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.8 percentage points.

Residents: 595 on 1 January 2026
Migration background: 16.0% 95 people
Born abroad: 42.1% of those with a migration background
Change since 2022: +1.8 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

83% 16%

Dutch origin 83.2% 495
Migration background 16.0% 95

Largest origin groups

Bars show each group’s share of all residents of 3611. For comparison, the line marks Stichtse Vecht and the circle the Netherlands.

Indonesia

4.2% 25 people

Stichtse Vecht 2.5% Netherlands 1.9%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

4.2% 25 people

Stichtse Vecht 4.5% Netherlands 5.6%
Germany

2.5% 15 people

Stichtse Vecht 1.5% Netherlands 1.9%
Other Africa Africa excluding Morocco

1.7% 10 people

Stichtse Vecht 1.8% Netherlands 2.3%
Suriname

0.84% 5 people

Stichtse Vecht 1.8% Netherlands 2.0%
Other Asia Asia excluding Indonesia and Turkey

0.84% 5 people

Stichtse Vecht 4.9% Netherlands 5.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.84% 5 people

Stichtse Vecht 1.6% Netherlands 1.7%
Turkey

0.0% 0 people

Stichtse Vecht 1.2% Netherlands 2.6%
Morocco

0.0% 0 people

Stichtse Vecht 2.0% Netherlands 2.4%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.0% 0 people

Stichtse Vecht 0.67% Netherlands 1.1%
Poland

0.0% 0 people

Stichtse Vecht 0.60% Netherlands 1.4%
Belgium

0.0% 0 people

Stichtse Vecht 0.53% Netherlands 0.76%

First and second generation

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

42% 58%

Born abroad (first generation) 42.1% 40
Born in the Netherlands (second generation) 57.9% 55

Men and women

Men: 300
Women: 290

Compared with all postcodes

Netherlands 29.1% 3611 16.0%

Higher than 44% 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

16.0%

3611
Stichtse Vecht
Netherlands

Show as table

Year	3611	Stichtse Vecht	Netherlands
1998	10.1%	14.2%	16.7%
1999	10.1%	14.5%	17.1%
2000	11.4%	14.6%	17.5%
2001	10.0%	14.7%	18.0%
2002	9.4%	14.8%	18.4%
2003	9.9%	15.1%	18.8%
2004	11.1%	15.3%	19.0%
2005	10.4%	15.4%	19.2%
2006	9.4%	15.5%	19.3%
2007	8.6%	15.6%	19.4%
2008	11.3%	15.8%	19.6%
2009	9.5%	16.0%	19.9%
2010	10.1%	16.0%	20.3%
2011	10.6%	16.2%	20.6%
2012	10.3%	16.3%	20.9%
2013	10.3%	16.7%	21.1%
2014	10.4%	16.8%	21.4%
2015	12.3%	17.0%	21.7%
2016	12.6%	17.3%	22.1%
2017	12.9%	17.6%	22.6%
2018	12.0%	18.0%	23.1%
2019	13.0%	18.3%	23.6%
2020	13.9%	18.8%	24.2%
2021	13.4%	19.2%	24.6%
2022	14.2%	20.7%	26.0%
2023	15.6%	22.1%	27.1%
2024	16.3%	22.7%	27.9%
2025	17.5%	23.3%	28.5%
2026	16.0%	23.8%	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
3555 Noordwest	41.0%	8,445	+3.0 pp	Morocco
3602 Maarsseveen, Zandweg-Oostwaard	14.8%	3,415	+2.1 pp	Other Europe
3604 Op Buuren, Friezenbuurt	19.5%	2,540	+3.4 pp	Other Europe
3566 Overvecht	17.9%	335	+1.7 pp	Other Europe
3565 Overvecht	50.0%	40	+12.5 pp	Turkey

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	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	445	400	45	20	30	10	0	15	0	5	0	0	15	0	0	5	35	10
1999	445	400	45	20	25	5	0	15	0	10	0	0	10	0	0	5	35	10
2000	440	395	50	20	30	5	5	15	0	10	0	0	10	5	0	0	35	10
2001	450	405	45	25	20	0	0	15	5	15	0	0	10	0	5	0	40	5
2002	530	480	50	25	30	0	0	15	5	15	0	0	10	5	5	0	45	10
2003	555	495	55	35	20	5	0	15	5	15	0	0	20	0	0	0	50	10
2004	540	480	60	30	25	0	5	15	0	15	0	5	10	5	0	0	45	5
2005	530	470	55	35	25	0	0	15	0	10	0	5	20	5	0	5	50	10
2006	530	480	50	30	20	0	5	15	0	10	0	0	20	0	0	0	45	5
2007	525	480	45	30	15	0	0	10	0	10	0	5	15	0	0	5	40	5
2008	530	470	60	30	25	0	0	15	5	10	0	0	20	10	0	0	45	15
2009	525	475	50	25	20	0	0	10	5	5	0	0	20	5	0	0	40	10
2010	545	490	55	30	30	0	5	10	5	15	0	0	15	10	5	0	45	15
2011	565	510	60	30	30	0	0	10	0	10	0	0	20	10	0	10	45	15
2012	585	525	60	30	30	0	0	10	0	15	5	5	5	10	5	5	45	15
2013	580	520	60	35	25	0	0	10	0	15	0	0	20	5	5	5	50	10
2014	575	515	60	35	25	0	0	15	5	15	0	0	20	5	0	0	45	15
2015	570	500	70	35	30	0	5	15	0	10	0	5	20	10	0	0	50	20
2016	555	485	70	35	30	0	5	15	0	15	0	0	20	10	0	0	45	20
2017	620	540	80	40	35	0	5	15	0	15	0	5	20	5	5	5	60	20
2018	625	550	75	40	40	0	0	15	5	15	0	5	20	5	10	5	65	15
2019	615	535	80	35	45	0	0	20	5	10	0	5	20	10	10	0	60	20
2020	610	525	85	35	50	5	0	20	0	10	0	0	25	5	5	15	60	25
2021	595	515	80	35	45	0	0	20	5	10	0	5	20	10	10	0	60	20
2022	600	515	85	40	50	0	5	20	0	10	0	0	25	10	10	5	60	20
2023	610	515	95	40	50	0	5	25	0	15	0	0	20	10	5	5	60	25
2024	615	510	100	40	60	0	5	25	0	15	0	0	25	15	5	5	–	–
2025	600	495	105	45	60	0	5	25	0	20	0	0	25	15	10	5	–	–
2026	595	495	95	45	55	0	5	25	0	15	0	0	25	10	5	5	–	–

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