Postcode · Bilthoven, Utrecht

Postcode 3722: Neighbourhood Zuid Oost

On 1 January 2026, postcode 3722 in Bilthoven (Zuid Oost) had 4,540 residents. 24.2% of them (1,100 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Bilthoven (26.5%) and lower than the national average (29.1%). The largest origin groups are Morocco (4.7%), other Europe (4.5%) and Indonesia (4.0%). 45.0% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.9 percentage points.

Residents: 4,540 on 1 January 2026
Migration background: 24.2% 1,100 people
Born abroad: 45.0% of those with a migration background
Change since 2022: +2.9 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

76% 24%

Dutch origin 75.8% 3,440
Migration background 24.2% 1,100

Largest origin groups

Bars show each group’s share of all residents of 3722. For comparison, the line marks Bilthoven and the circle the Netherlands.

Morocco

4.7% 215 people

Bilthoven 4.4% Netherlands 2.4%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

4.5% 205 people

Bilthoven 4.6% Netherlands 5.6%
Indonesia

4.0% 180 people

Bilthoven 3.6% Netherlands 1.9%
Other Asia Asia excluding Indonesia and Turkey

2.4% 110 people

Bilthoven 4.9% Netherlands 5.3%
Germany

2.0% 90 people

Bilthoven 1.7% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.4% 65 people

Bilthoven 1.7% Netherlands 1.7%
Belgium

1.2% 55 people

Bilthoven 0.73% Netherlands 0.76%
Other Africa Africa excluding Morocco

1.1% 50 people

Bilthoven 2.3% Netherlands 2.3%
Suriname

0.88% 40 people

Bilthoven 0.95% Netherlands 2.0%
Turkey

0.77% 35 people

Bilthoven 0.78% Netherlands 2.6%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.77% 35 people

Bilthoven 0.62% Netherlands 1.1%
Poland

0.44% 20 people

Bilthoven 0.37% Netherlands 1.4%

First and second generation

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

45% 55%

Born abroad (first generation) 45.0% 495
Born in the Netherlands (second generation) 55.0% 605

Men and women

Men: 2,115
Women: 2,430

Compared with all postcodes

Netherlands 29.1% 3722 24.2%

Higher than 65% 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

24.2%

3722
Bilthoven
Netherlands

Show as table

Year	3722	Bilthoven	Netherlands
1998	13.5%	15.4%	16.7%
1999	14.1%	15.6%	17.1%
2000	13.9%	15.6%	17.5%
2001	14.5%	16.0%	18.0%
2002	14.1%	16.3%	18.4%
2003	14.0%	16.3%	18.8%
2004	14.2%	16.4%	19.0%
2005	14.6%	16.4%	19.2%
2006	14.3%	16.4%	19.3%
2007	14.2%	16.5%	19.4%
2008	13.9%	16.4%	19.6%
2009	14.2%	16.8%	19.9%
2010	14.6%	17.2%	20.3%
2011	14.6%	17.6%	20.6%
2012	14.9%	17.9%	20.9%
2013	15.1%	18.2%	21.1%
2014	16.0%	18.5%	21.4%
2015	16.2%	18.9%	21.7%
2016	17.0%	19.2%	22.1%
2017	16.7%	19.5%	22.6%
2018	17.0%	20.0%	23.1%
2019	17.9%	20.4%	23.6%
2020	18.5%	20.8%	24.2%
2021	18.3%	21.3%	24.6%
2022	21.3%	23.8%	26.0%
2023	22.7%	24.7%	27.1%
2024	23.5%	25.5%	27.9%
2025	23.9%	26.0%	28.5%
2026	24.2%	26.5%	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
3723 De Leijen, Noord	24.5%	10,195	+2.4 pp	Other Europe
3721 Zuid West	30.2%	8,480	+3.0 pp	Other Asia
3732 Oost	22.4%	4,675	+1.0 pp	Other Europe
3734 Noord, Zuid	19.6%	4,380	+1.7 pp	Indonesia
3735 Den Dolder	20.1%	1,715	+0.2 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	4,360	3,770	590	240	350	5	30	15	210	10	105	5	35	95	15	40	25	465	130
1999	4,390	3,765	620	245	375	5	30	20	210	10	110	5	40	90	30	40	30	475	145
2000	4,355	3,750	605	245	355	5	30	20	200	5	110	5	40	90	25	40	30	460	145
2001	4,345	3,715	630	260	365	0	40	20	200	5	115	10	40	95	25	35	40	480	150
2002	4,375	3,760	615	245	380	5	45	25	195	10	115	10	40	80	30	35	35	455	155
2003	4,320	3,715	605	240	360	5	45	15	200	5	100	10	40	90	25	25	40	465	145
2004	4,355	3,740	620	260	355	0	35	25	200	10	95	10	40	115	25	35	25	470	145
2005	4,355	3,725	635	270	350	5	40	20	190	10	100	10	50	110	25	35	25	480	145
2006	4,370	3,745	625	260	365	5	50	20	200	10	95	15	45	105	20	30	30	475	150
2007	4,390	3,770	625	255	380	5	40	15	200	15	95	10	40	110	30	35	40	475	145
2008	4,470	3,855	620	250	370	5	40	25	195	15	95	10	40	105	25	30	35	465	150
2009	4,445	3,815	630	260	365	5	45	20	195	15	95	15	35	115	25	25	35	485	150
2010	4,465	3,815	650	280	375	0	50	20	185	15	95	10	40	135	30	35	40	495	160
2011	4,415	3,765	645	280	375	0	60	20	175	20	90	10	40	140	25	30	45	480	170
2012	4,435	3,775	660	285	375	0	55	25	170	20	95	10	40	140	35	35	35	475	185
2013	4,415	3,750	665	285	385	0	55	20	170	15	100	15	40	130	35	45	45	475	190
2014	4,410	3,705	705	305	400	5	65	25	165	10	105	20	40	140	30	50	50	500	205
2015	4,410	3,695	715	310	410	0	70	20	165	15	90	20	45	155	35	55	50	500	225
2016	4,555	3,780	775	315	460	10	90	30	160	10	95	15	45	160	40	70	50	500	275
2017	4,560	3,800	760	300	460	15	90	35	165	10	90	10	40	160	35	65	45	485	275
2018	4,535	3,765	770	290	480	20	100	35	160	15	85	10	45	150	40	65	45	480	290
2019	4,590	3,770	820	310	510	15	115	40	170	15	85	10	50	165	45	55	55	505	315
2020	4,600	3,750	850	305	545	20	125	40	160	20	80	15	50	160	50	75	55	500	355
2021	4,585	3,745	840	320	520	15	145	40	155	15	90	15	50	165	40	65	45	500	345
2022	4,575	3,600	975	345	630	25	170	30	175	20	90	15	60	180	45	95	65	505	370
2023	4,640	3,585	1,055	375	680	30	195	40	170	25	90	15	55	210	50	105	65	540	425
2024	4,635	3,540	1,090	385	705	30	200	30	180	35	85	25	60	215	50	105	75	–	–
2025	4,630	3,525	1,105	380	720	30	195	35	190	40	90	20	55	210	50	110	75	–	–
2026	4,540	3,440	1,100	370	730	35	215	40	180	35	90	20	55	205	50	110	65	–	–

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