Postcode · Leiden, South Holland

Postcode 2311: Neighbourhood Binnenstad-Zuid

On 1 January 2026, postcode 2311 in Leiden (Binnenstad-Zuid) had 11,250 residents. 36.3% of them (4,085 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Leiden (38.2%) and higher than the national average (29.1%). The largest origin groups are other Europe (13.4%), other Americas & Oceania (5.2%) and other Asia (5.1%). 68.9% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.9 percentage points.

Residents: 11,250 on 1 January 2026
Migration background: 36.3% 4,085 people
Born abroad: 68.9% 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

64% 36%

Dutch origin 63.6% 7,160
Migration background 36.3% 4,085

Largest origin groups

Bars show each group’s share of all residents of 2311. For comparison, the line marks Leiden and the circle the Netherlands.

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

13.4% 1,510 people

Leiden 9.6% Netherlands 5.6%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

5.2% 585 people

Leiden 3.2% Netherlands 1.7%
Other Asia Asia excluding Indonesia and Turkey

5.1% 570 people

Leiden 7.4% Netherlands 5.3%
Germany

2.8% 310 people

Leiden 2.0% Netherlands 1.9%
Indonesia

2.5% 280 people

Leiden 2.4% Netherlands 1.9%
Other Africa Africa excluding Morocco

2.2% 245 people

Leiden 3.0% Netherlands 2.3%
Belgium

1.1% 120 people

Leiden 0.73% Netherlands 0.76%
Turkey

0.93% 105 people

Leiden 2.0% Netherlands 2.6%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.89% 100 people

Leiden 1.1% Netherlands 1.1%
Poland

0.89% 100 people

Leiden 1.2% Netherlands 1.4%
Suriname

0.84% 95 people

Leiden 1.4% Netherlands 2.0%
Morocco

0.62% 70 people

Leiden 4.2% Netherlands 2.4%

First and second generation

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

69% 31%

Born abroad (first generation) 68.9% 2,815
Born in the Netherlands (second generation) 31.2% 1,275

Men and women

Men: 5,255
Women: 5,995

Compared with all postcodes

Netherlands 29.1% 2311 36.3%

Higher than 82% 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

36.3%

2311
Leiden
Netherlands

Show as table

Year	2311	Leiden	Netherlands
1998	23.7%	21.2%	16.7%
1999	23.3%	21.7%	17.1%
2000	23.6%	22.5%	17.5%
2001	24.6%	23.1%	18.0%
2002	25.7%	24.0%	18.4%
2003	26.4%	24.8%	18.8%
2004	26.2%	25.4%	19.0%
2005	26.0%	25.7%	19.2%
2006	26.8%	25.9%	19.3%
2007	27.5%	26.1%	19.4%
2008	28.3%	26.6%	19.6%
2009	28.8%	27.2%	19.9%
2010	28.7%	27.4%	20.3%
2011	29.4%	27.9%	20.6%
2012	29.9%	28.3%	20.9%
2013	30.5%	28.5%	21.1%
2014	30.7%	29.0%	21.4%
2015	30.7%	29.3%	21.7%
2016	31.3%	29.8%	22.1%
2017	31.2%	30.2%	22.6%
2018	31.7%	30.6%	23.1%
2019	32.0%	31.3%	23.6%
2020	32.8%	32.2%	24.2%
2021	30.7%	32.2%	24.6%
2022	33.4%	34.0%	26.0%
2023	35.0%	35.6%	27.1%
2024	35.2%	36.5%	27.9%
2025	36.7%	37.5%	28.5%
2026	36.3%	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
2312 Binnenstad-Noord	40.3%	14,565	+2.4 pp	Other Europe
2321 Bos- en Gasthuisdistrict, Roodenburgerdistrict	42.5%	13,420	+5.4 pp	Other Europe
2313 Roodenburgerdistrict	27.1%	12,175	+2.8 pp	Other Europe
2315 Noord, Binnenstad-Noord	41.9%	8,565	+4.4 pp	Morocco

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	9,865	7,530	2,340	920	1,415	40	75	95	590	140	220	20	85	595	90	185	200	1,675	665
1999	10,075	7,730	2,345	910	1,435	30	75	100	580	135	215	30	90	575	105	205	205	1,645	700
2000	10,085	7,705	2,385	945	1,445	30	65	100	540	135	210	25	90	620	115	215	245	1,665	720
2001	9,995	7,530	2,460	1,025	1,435	30	60	100	520	130	210	25	100	690	125	205	265	1,760	700
2002	9,950	7,400	2,555	1,125	1,425	20	55	90	485	130	220	25	95	785	125	235	285	1,830	725
2003	10,040	7,385	2,655	1,145	1,515	40	65	95	485	125	225	25	100	795	140	245	320	1,870	790
2004	10,210	7,535	2,675	1,170	1,500	25	65	105	470	130	235	30	100	805	150	260	295	1,860	815
2005	10,210	7,560	2,650	1,130	1,510	25	70	100	465	120	235	30	90	775	150	280	300	1,815	830
2006	10,255	7,515	2,745	1,185	1,555	30	65	100	470	130	255	35	95	800	145	290	325	1,905	835
2007	10,235	7,415	2,815	1,235	1,580	30	70	100	455	130	270	35	95	835	145	315	335	1,960	855
2008	10,315	7,395	2,915	1,280	1,635	35	60	100	435	135	280	60	110	830	135	360	375	2,000	915
2009	10,280	7,325	2,960	1,325	1,630	30	60	90	430	135	280	70	105	870	130	380	375	2,050	900
2010	10,250	7,310	2,940	1,380	1,565	35	55	100	420	120	295	75	100	910	135	345	355	2,075	870
2011	10,330	7,285	3,040	1,390	1,655	35	60	105	425	125	290	80	95	925	135	390	380	2,100	940
2012	10,425	7,305	3,120	1,460	1,665	30	60	115	415	115	280	80	105	995	140	395	395	2,150	965
2013	10,530	7,310	3,215	1,495	1,715	45	55	105	410	105	300	75	105	1,015	155	420	420	2,200	1,015
2014	10,745	7,450	3,295	1,540	1,755	55	60	100	415	105	300	60	115	1,065	155	450	415	2,245	1,055
2015	10,980	7,610	3,370	1,550	1,820	50	70	100	395	110	290	75	100	1,085	140	500	455	2,275	1,095
2016	10,905	7,495	3,410	1,615	1,795	45	60	95	370	120	295	60	105	1,155	140	495	470	2,310	1,095
2017	11,110	7,640	3,470	1,570	1,900	60	70	100	365	110	290	60	95	1,125	135	510	550	2,335	1,135
2018	11,160	7,620	3,540	1,605	1,935	55	75	95	365	100	295	80	90	1,140	140	550	555	2,370	1,170
2019	11,160	7,585	3,575	1,680	1,895	55	75	95	360	100	305	80	90	1,205	145	515	550	2,415	1,165
2020	11,025	7,410	3,615	1,720	1,900	70	70	100	340	95	330	85	90	1,215	165	545	515	2,415	1,200
2021	10,675	7,400	3,275	1,695	1,580	55	65	100	320	80	315	90	95	1,195	145	385	430	2,300	975
2022	10,795	7,190	3,610	1,805	1,805	60	70	95	315	110	320	110	110	1,260	180	490	485	2,360	1,045
2023	10,970	7,130	3,835	1,980	1,850	85	60	90	290	115	350	115	125	1,390	180	510	525	2,550	1,090
2024	11,355	7,360	3,995	2,035	1,960	100	60	95	295	120	340	120	135	1,440	210	525	550	–	–
2025	11,435	7,240	4,195	2,110	2,085	115	75	95	285	110	335	115	135	1,530	235	600	570	–	–
2026	11,250	7,160	4,085	2,040	2,050	105	70	95	280	100	310	100	120	1,510	245	570	585	–	–

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