Postcode · Zoeterwoude, South Holland

Postcode 2381: Neighbourhood Westwout

On 1 January 2026, postcode 2381 in Zoeterwoude (Westwout) had 5,830 residents. 14.8% of them (860 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Zoeterwoude (17.5%) and lower than the national average (29.1%). The largest origin groups are other Europe (3.5%), other Asia (2.9%) and Indonesia (1.7%). 54.7% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.7 percentage points.

Residents: 5,830 on 1 January 2026
Migration background: 14.8% 860 people
Born abroad: 54.7% of those with a migration background
Change since 2022: +1.7 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

85% 15%

Dutch origin 85.2% 4,970
Migration background 14.8% 860

Largest origin groups

Bars show each group’s share of all residents of 2381. For comparison, the line marks Zoeterwoude and the circle the Netherlands.

Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

3.5% 205 people

Zoeterwoude 3.7% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

2.9% 170 people

Zoeterwoude 3.5% Netherlands 5.3%
Indonesia

1.7% 100 people

Zoeterwoude 1.8% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.4% 80 people

Zoeterwoude 1.4% Netherlands 1.7%
Other Africa Africa excluding Morocco

1.1% 65 people

Zoeterwoude 1.1% Netherlands 2.3%
Turkey

0.94% 55 people

Zoeterwoude 1.2% Netherlands 2.6%
Suriname

0.69% 40 people

Zoeterwoude 1.1% Netherlands 2.0%
Germany

0.69% 40 people

Zoeterwoude 0.92% Netherlands 1.9%
Morocco

0.60% 35 people

Zoeterwoude 1.1% Netherlands 2.4%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.60% 35 people

Zoeterwoude 0.83% Netherlands 1.1%
Belgium

0.34% 20 people

Zoeterwoude 0.39% Netherlands 0.76%
Poland

0.26% 15 people

Zoeterwoude 0.49% Netherlands 1.4%

First and second generation

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

55% 45%

Born abroad (first generation) 54.7% 470
Born in the Netherlands (second generation) 45.3% 390

Men and women

Men: 2,890
Women: 2,940

Compared with all postcodes

Netherlands 29.1% 2381 14.8%

Higher than 40% 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

14.8%

2381
Zoeterwoude
Netherlands

Show as table

Year	2381	Zoeterwoude	Netherlands
1998	7.7%	8.0%	16.7%
1999	7.8%	8.2%	17.1%
2000	8.2%	8.6%	17.5%
2001	8.0%	8.6%	18.0%
2002	8.2%	8.7%	18.4%
2003	8.5%	8.9%	18.8%
2004	8.4%	9.0%	19.0%
2005	8.3%	9.0%	19.2%
2006	8.6%	9.3%	19.3%
2007	8.2%	9.3%	19.4%
2008	8.1%	9.3%	19.6%
2009	8.1%	9.4%	19.9%
2010	8.6%	9.8%	20.3%
2011	8.8%	10.1%	20.6%
2012	9.0%	10.1%	20.9%
2013	9.1%	10.1%	21.1%
2014	9.3%	10.5%	21.4%
2015	9.7%	11.0%	21.7%
2016	10.0%	11.3%	22.1%
2017	10.7%	11.9%	22.6%
2018	11.3%	12.3%	23.1%
2019	11.3%	12.5%	23.6%
2020	11.3%	13.1%	24.2%
2021	11.5%	13.3%	24.6%
2022	13.0%	14.5%	26.0%
2023	14.3%	15.6%	27.1%
2024	14.5%	16.3%	27.9%
2025	14.6%	16.8%	28.5%
2026	14.8%	17.5%	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
2717 Buytenwegh	50.1%	7,930	+5.3 pp	Other Asia
2266 Leidschendam - Zuid en omgeving, Stompwijk	28.8%	7,005	+6.9 pp	Other Europe
2391 Voorweg, Oost	12.2%	6,350	+1.6 pp	Other Asia
2725 De Leyens	24.1%	5,840	+2.1 pp	Indonesia
2382 Rijndijk	21.1%	4,450	+4.2 pp	Other Asia
2731 Benthuizen	15.2%	4,085	+4.2 pp	Other Europe
2322 Bos- en Gasthuisdistrict	22.2%	225	−3.4 pp	Other Europe
2323 Bos- en Gasthuisdistrict	24.4%	205	+6.7 pp	Other Europe
2735 Gelderswoude	0.0%	70	±0.0 pp	–

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	5,675	5,245	435	185	250	15	5	25	120	15	55	10	25	95	5	50	15	310	120
1999	5,685	5,240	445	190	260	15	5	25	115	10	50	10	25	105	10	55	25	320	125
2000	5,750	5,280	470	195	280	15	5	25	115	10	50	10	20	115	15	65	30	335	135
2001	5,775	5,315	460	195	275	15	5	30	110	10	50	10	25	110	15	60	30	320	140
2002	5,770	5,285	475	195	285	20	0	25	110	15	50	10	25	110	20	60	35	335	145
2003	5,740	5,250	490	200	285	15	5	30	105	15	50	10	25	115	15	60	40	345	145
2004	5,645	5,175	475	195	285	15	5	25	105	10	50	10	25	110	20	55	50	335	140
2005	5,630	5,160	470	185	280	15	10	25	100	10	45	10	25	105	20	55	45	320	150
2006	5,665	5,175	485	185	300	15	5	35	100	10	45	10	25	105	25	60	50	325	160
2007	5,595	5,130	460	180	275	15	5	35	90	10	45	10	25	100	15	60	45	310	150
2008	5,535	5,080	450	180	270	20	5	30	85	15	45	10	20	105	15	60	40	300	150
2009	5,475	5,030	445	175	265	15	10	25	85	15	45	10	25	95	20	55	40	290	150
2010	5,465	4,990	470	180	295	25	15	30	85	15	40	10	25	105	15	70	40	300	170
2011	5,485	5,005	480	185	300	30	10	30	80	15	40	10	25	110	25	75	35	295	185
2012	5,515	5,020	495	195	295	25	15	25	80	15	45	10	25	115	25	75	35	300	190
2013	5,510	5,005	500	190	310	20	10	30	80	15	40	10	30	110	40	75	40	305	195
2014	5,440	4,935	505	195	310	20	15	25	80	15	40	20	25	110	35	80	40	310	200
2015	5,475	4,945	530	210	320	20	15	30	80	15	40	30	25	115	30	85	45	315	210
2016	5,505	4,955	550	210	340	20	20	30	85	20	45	30	25	110	35	85	45	325	225
2017	5,580	4,985	595	215	380	25	20	35	90	20	45	30	25	115	35	105	50	335	260
2018	5,555	4,930	625	205	420	25	25	35	95	25	45	25	25	110	50	115	50	335	290
2019	5,520	4,895	625	215	410	25	25	35	90	25	45	25	25	120	50	110	50	345	280
2020	5,520	4,895	625	215	410	20	25	30	95	30	45	25	25	120	45	120	45	335	285
2021	5,500	4,865	635	215	420	25	20	30	90	30	40	25	25	125	50	120	55	340	295
2022	5,690	4,950	740	235	500	35	25	40	100	30	55	20	25	135	50	145	75	355	335
2023	5,810	4,985	830	290	540	45	30	35	100	35	50	25	25	190	55	155	75	415	375
2024	5,845	4,995	850	295	555	50	30	35	100	30	50	25	25	200	60	165	80	–	–
2025	5,885	5,025	860	290	570	60	35	35	100	30	40	15	20	210	60	175	75	–	–
2026	5,830	4,970	860	280	575	55	35	40	100	35	40	15	20	205	65	170	80	–	–

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