Postcode · Leiden, South Holland

Postcode 2324: Neighbourhood Bos- en Gasthuisdistrict

On 1 January 2026, postcode 2324 in Leiden (Bos- en Gasthuisdistrict) had 9,845 residents. 39.9% of them (3,925 people) have a migration background: they were born abroad or have at least one parent who was. That is higher than Leiden (38.2%) and higher than the national average (29.1%). The largest origin groups are other Asia (7.9%), Morocco (7.2%) and other Europe (5.9%). 60.8% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.0 percentage points.

Residents: 9,845 on 1 January 2026
Migration background: 39.9% 3,925 people
Born abroad: 60.8% of those with a migration background
Change since 2022: +2.0 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

60% 40%

Dutch origin 60.1% 5,920
Migration background 39.9% 3,925

Largest origin groups

Bars show each group’s share of all residents of 2324. For comparison, the line marks Leiden and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

7.9% 775 people

Leiden 7.4% Netherlands 5.3%
Morocco

7.2% 710 people

Leiden 4.2% Netherlands 2.4%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

5.9% 585 people

Leiden 9.6% Netherlands 5.6%
Turkey

4.2% 410 people

Leiden 2.0% Netherlands 2.6%
Other Africa Africa excluding Morocco

3.9% 380 people

Leiden 3.0% Netherlands 2.3%
Indonesia

2.2% 220 people

Leiden 2.4% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

2.1% 205 people

Leiden 3.2% Netherlands 1.7%
Suriname

1.9% 190 people

Leiden 1.4% Netherlands 2.0%
Germany

1.6% 160 people

Leiden 2.0% Netherlands 1.9%
Poland

1.4% 135 people

Leiden 1.2% Netherlands 1.4%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.91% 90 people

Leiden 1.1% Netherlands 1.1%
Belgium

0.66% 65 people

Leiden 0.73% Netherlands 0.76%

First and second generation

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

61% 39%

Born abroad (first generation) 60.8% 2,385
Born in the Netherlands (second generation) 39.2% 1,540

Men and women

Men: 4,735
Women: 5,110

Compared with all postcodes

Netherlands 29.1% 2324 39.9%

Higher than 86% 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

39.9%

2324
Leiden
Netherlands

Show as table

Year	2324	Leiden	Netherlands
1998	22.5%	21.2%	16.7%
1999	23.2%	21.7%	17.1%
2000	23.8%	22.5%	17.5%
2001	24.7%	23.1%	18.0%
2002	25.2%	24.0%	18.4%
2003	26.3%	24.8%	18.8%
2004	26.6%	25.4%	19.0%
2005	27.2%	25.7%	19.2%
2006	27.5%	25.9%	19.3%
2007	27.5%	26.1%	19.4%
2008	28.8%	26.6%	19.6%
2009	28.9%	27.2%	19.9%
2010	29.6%	27.4%	20.3%
2011	30.1%	27.9%	20.6%
2012	30.2%	28.3%	20.9%
2013	30.3%	28.5%	21.1%
2014	30.9%	29.0%	21.4%
2015	30.8%	29.3%	21.7%
2016	30.9%	29.8%	22.1%
2017	31.5%	30.2%	22.6%
2018	32.6%	30.6%	23.1%
2019	33.7%	31.3%	23.6%
2020	35.6%	32.2%	24.2%
2021	36.2%	32.2%	24.6%
2022	37.8%	34.0%	26.0%
2023	38.6%	35.6%	27.1%
2024	38.5%	36.5%	27.9%
2025	38.9%	37.5%	28.5%
2026	39.9%	38.2%	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
2321 Bos- en Gasthuisdistrict, Roodenburgerdistrict	42.5%	13,420	+5.4 pp	Other Europe
2251 Vlietwijk, Krimwijk	27.1%	11,045	+1.7 pp	Other Europe
2332 Morsdistrict	41.9%	10,980	+6.6 pp	Other Asia
2331 Stevenshofdistrict	24.3%	10,645	+3.1 pp	Other Asia
2253 Adegeest, Noord-Hofland	27.4%	8,735	+2.8 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

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	10,170	7,875	2,290	435	1,860	310	565	180	335	70	160	10	35	230	140	190	70	795	1,495
1999	10,120	7,770	2,350	415	1,930	325	605	200	310	85	155	15	35	210	140	195	70	755	1,595
2000	10,085	7,685	2,400	420	1,985	320	640	185	295	95	155	10	40	215	160	220	70	750	1,655
2001	10,025	7,545	2,480	435	2,050	330	655	175	295	125	155	15	35	230	170	230	70	770	1,710
2002	9,990	7,465	2,520	455	2,065	325	660	190	295	105	155	15	40	245	175	235	80	790	1,730
2003	10,025	7,390	2,635	455	2,180	325	715	205	295	120	155	10	50	240	200	240	80	795	1,840
2004	10,195	7,485	2,715	465	2,250	340	720	200	310	125	160	15	50	240	210	260	85	820	1,895
2005	10,075	7,335	2,740	460	2,285	365	745	185	300	125	160	25	45	230	215	265	85	805	1,940
2006	10,025	7,270	2,755	470	2,280	355	760	190	295	110	155	30	50	235	205	280	85	810	1,940
2007	10,055	7,290	2,765	460	2,310	365	790	185	300	110	150	30	40	240	210	265	85	805	1,965
2008	10,125	7,205	2,920	510	2,410	385	805	205	285	105	150	50	50	260	220	300	105	840	2,080
2009	10,140	7,210	2,930	530	2,400	395	810	190	270	105	155	55	45	275	245	285	100	845	2,090
2010	10,080	7,100	2,980	565	2,415	390	785	195	270	105	160	55	60	290	260	300	110	885	2,090
2011	10,060	7,035	3,025	610	2,415	380	800	200	255	100	155	65	65	325	250	310	120	925	2,100
2012	10,010	6,985	3,020	630	2,390	390	785	185	245	95	155	75	65	335	275	290	125	950	2,070
2013	9,985	6,955	3,025	645	2,380	385	785	190	250	90	150	75	60	360	265	300	115	955	2,075
2014	10,025	6,930	3,095	665	2,430	395	800	190	245	90	155	75	60	375	275	300	135	980	2,115
2015	10,010	6,930	3,080	705	2,375	375	790	180	235	100	160	90	60	395	270	300	125	995	2,085
2016	9,910	6,850	3,060	695	2,365	365	775	180	225	105	145	110	50	390	250	330	135	980	2,085
2017	9,880	6,765	3,115	710	2,405	375	745	185	220	95	155	115	50	390	265	365	155	1,000	2,115
2018	9,810	6,610	3,200	740	2,465	370	740	200	225	100	165	115	50	410	265	390	175	1,045	2,160
2019	9,850	6,535	3,315	770	2,545	380	725	180	225	95	160	120	50	440	285	485	170	1,065	2,250
2020	9,930	6,395	3,535	835	2,700	400	755	190	215	100	165	125	65	480	280	530	230	1,185	2,350
2021	9,815	6,260	3,555	865	2,690	380	745	190	205	95	180	130	60	495	315	535	225	1,200	2,350
2022	9,780	6,080	3,700	890	2,810	390	740	215	220	95	180	130	65	515	325	610	215	1,185	2,410
2023	9,720	5,965	3,750	920	2,835	410	710	195	235	100	180	135	65	540	335	650	205	1,230	2,425
2024	9,970	6,135	3,835	940	2,890	420	720	190	225	100	175	130	65	575	345	695	205	–	–
2025	9,895	6,045	3,850	925	2,925	420	705	190	220	90	175	130	65	555	375	720	200	–	–
2026	9,845	5,920	3,925	945	2,975	410	710	190	220	90	160	135	65	585	380	775	205	–	–

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