Postcode · Houten, Utrecht

Postcode 3991: Neighbourhoods Zuid-West and Noord-West

On 1 January 2026, postcode 3991 in Houten (Zuid-West and Noord-West) had 17,905 residents. 19.0% of them (3,400 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Houten (21.3%) and lower than the national average (29.1%). The largest origin groups are other Asia (4.1%), other Europe (3.4%) and Indonesia (2.2%). 52.1% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.1 percentage points.

Residents: 17,905 on 1 January 2026
Migration background: 19.0% 3,400 people
Born abroad: 52.1% 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

81% 19%

Dutch origin 81.0% 14,505
Migration background 19.0% 3,400

Largest origin groups

Bars show each group’s share of all residents of 3991. For comparison, the line marks Houten and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

4.1% 735 people

Houten 5.0% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

3.4% 615 people

Houten 4.0% Netherlands 5.6%
Indonesia

2.2% 390 people

Houten 2.3% Netherlands 1.9%
Other Africa Africa excluding Morocco

1.6% 290 people

Houten 1.8% Netherlands 2.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.6% 285 people

Houten 1.5% Netherlands 1.7%
Suriname

1.3% 235 people

Houten 1.5% Netherlands 2.0%
Germany

1.3% 235 people

Houten 1.3% Netherlands 1.9%
Morocco

1.2% 215 people

Houten 1.4% Netherlands 2.4%
Turkey

0.84% 150 people

Houten 0.93% Netherlands 2.6%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.53% 95 people

Houten 0.64% Netherlands 1.1%
Poland

0.45% 80 people

Houten 0.42% Netherlands 1.4%
Belgium

0.39% 70 people

Houten 0.45% Netherlands 0.76%

First and second generation

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

52% 48%

Born abroad (first generation) 52.1% 1,770
Born in the Netherlands (second generation) 47.9% 1,630

Men and women

Men: 8,855
Women: 9,050

Compared with all postcodes

Netherlands 29.1% 3991 19.0%

Higher than 53% 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

19.0%

3991
Houten
Netherlands

Show as table

Year	3991	Houten	Netherlands
1998	7.9%	10.4%	16.7%
1999	8.2%	10.8%	17.1%
2000	8.5%	11.2%	17.5%
2001	9.0%	11.6%	18.0%
2002	10.6%	12.4%	18.4%
2003	11.2%	12.8%	18.8%
2004	11.7%	13.0%	19.0%
2005	11.7%	13.0%	19.2%
2006	11.7%	13.2%	19.3%
2007	12.1%	13.4%	19.4%
2008	12.3%	13.4%	19.6%
2009	12.4%	13.5%	19.9%
2010	12.5%	13.6%	20.3%
2011	12.4%	13.6%	20.6%
2012	12.6%	13.9%	20.9%
2013	12.7%	14.1%	21.1%
2014	12.9%	14.3%	21.4%
2015	13.1%	14.6%	21.7%
2016	13.2%	14.9%	22.1%
2017	13.9%	15.5%	22.6%
2018	14.3%	15.9%	23.1%
2019	14.6%	16.2%	23.6%
2020	15.0%	16.7%	24.2%
2021	15.3%	17.1%	24.6%
2022	16.9%	18.6%	26.0%
2023	17.8%	19.4%	27.1%
2024	18.3%	20.3%	27.9%
2025	18.8%	20.9%	28.5%
2026	19.0%	21.3%	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
3991 Zuid-West, Noord-West	19.0%	17,905	+2.1 pp	Other Asia
3994 Zuid-Oost	19.6%	14,470	+2.4 pp	Other Europe
3992 Noord-West	18.0%	5,935	+2.2 pp	Other Asia
3995 Noord-Oost, Zuid-West	39.7%	4,060	+6.9 pp	Other Asia
3439 Rijnhuizen	52.0%	3,570	+11.8 pp	Other Asia
3998 Schalkwijk	9.9%	2,230	+1.9 pp	Other Europe
3997 't Goy	11.9%	675	+5.6 pp	Other Asia

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	9,205	8,480	730	225	500	5	15	100	195	40	95	15	30	85	25	95	25	445	290
1999	9,170	8,415	750	240	510	0	15	100	195	40	90	15	30	105	35	100	25	450	300
2000	9,110	8,345	770	245	520	0	15	105	195	40	95	20	30	100	45	100	20	455	310
2001	9,285	8,445	835	275	570	10	15	100	195	35	105	25	30	115	65	120	30	490	350
2002	10,375	9,275	1,100	335	765	30	30	170	225	45	125	20	30	160	85	145	35	590	510
2003	11,445	10,170	1,280	370	910	40	50	200	265	55	145	25	35	165	85	165	50	665	610
2004	12,225	10,800	1,425	390	1,030	50	70	220	290	60	145	25	40	180	90	185	65	715	700
2005	13,370	11,810	1,560	435	1,125	60	80	235	310	80	155	30	50	200	70	210	80	790	765
2006	14,260	12,595	1,670	475	1,190	55	95	260	335	85	170	35	50	220	65	205	90	850	815
2007	15,270	13,420	1,855	545	1,300	55	120	275	355	85	190	40	60	255	70	245	95	950	905
2008	16,095	14,115	1,980	595	1,390	60	130	275	375	100	200	40	65	290	80	265	105	1,025	955
2009	16,755	14,670	2,085	610	1,480	65	155	280	390	100	195	40	70	305	90	290	110	1,060	1,025
2010	17,130	14,995	2,135	640	1,500	70	165	290	395	95	200	45	75	320	85	295	105	1,095	1,040
2011	17,360	15,200	2,160	650	1,510	70	170	270	390	85	210	40	60	340	90	305	130	1,110	1,055
2012	17,555	15,340	2,210	665	1,550	75	180	270	390	85	210	50	65	340	105	315	130	1,130	1,080
2013	17,510	15,280	2,230	660	1,560	70	180	265	400	85	220	50	65	325	105	325	130	1,130	1,095
2014	17,520	15,260	2,260	680	1,585	65	175	270	400	80	215	55	70	340	120	340	135	1,150	1,110
2015	17,470	15,180	2,290	700	1,590	65	180	265	395	85	210	60	70	360	120	350	130	1,165	1,125
2016	17,550	15,225	2,325	705	1,625	70	180	255	400	85	205	65	70	365	130	360	145	1,170	1,155
2017	17,935	15,435	2,500	730	1,770	80	205	265	400	90	215	70	60	385	150	425	155	1,205	1,295
2018	18,125	15,530	2,595	735	1,860	85	205	255	405	85	220	75	60	380	170	495	160	1,220	1,375
2019	18,245	15,575	2,670	760	1,910	85	220	250	410	90	215	70	60	415	180	510	165	1,240	1,430
2020	18,240	15,500	2,740	760	1,980	90	220	255	410	90	220	65	60	415	190	540	185	1,255	1,485
2021	18,080	15,305	2,775	785	1,990	95	215	245	405	90	215	70	60	440	195	560	185	1,275	1,500
2022	18,075	15,025	3,050	855	2,195	105	225	255	410	100	235	65	70	480	240	630	230	1,310	1,575
2023	18,160	14,930	3,235	960	2,270	130	220	260	400	100	235	70	70	585	260	655	250	1,420	1,655
2024	17,980	14,685	3,290	975	2,320	130	205	250	405	105	230	80	65	600	280	685	260	–	–
2025	17,975	14,590	3,385	1,000	2,385	145	210	240	405	100	240	80	70	610	310	710	265	–	–
2026	17,905	14,505	3,400	1,000	2,400	150	215	235	390	95	235	80	70	615	290	735	285	–	–

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