Postcode · Leiderdorp, South Holland

Postcode 2351: Neighbourhoods Kerkwijk and Oranjewijk

On 1 January 2026, postcode 2351 in Leiderdorp (Kerkwijk and Oranjewijk) had 5,360 residents. 19.1% of them (1,025 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Leiderdorp (27.5%) and lower than the national average (29.1%). The largest origin groups are other Europe (3.8%), other Asia (3.1%) and Indonesia (2.7%). 46.8% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 0.5 percentage points.

Residents: 5,360 on 1 January 2026
Migration background: 19.1% 1,025 people
Born abroad: 46.8% of those with a migration background
Change since 2022: +0.5 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 80.9% 4,335
Migration background 19.1% 1,025

Largest origin groups

Bars show each group’s share of all residents of 2351. For comparison, the line marks Leiderdorp and the circle the Netherlands.

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

3.8% 205 people

Leiderdorp 5.2% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

3.1% 165 people

Leiderdorp 6.2% Netherlands 5.3%
Indonesia

2.7% 145 people

Leiderdorp 2.8% Netherlands 1.9%
Germany

1.8% 95 people

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

1.8% 95 people

Leiderdorp 1.9% Netherlands 1.7%
Suriname

1.5% 80 people

Leiderdorp 1.7% Netherlands 2.0%
Turkey

1.2% 65 people

Leiderdorp 2.7% Netherlands 2.6%
Other Africa Africa excluding Morocco

1.0% 55 people

Leiderdorp 1.8% Netherlands 2.3%
Poland

0.75% 40 people

Leiderdorp 0.59% Netherlands 1.4%
Belgium

0.65% 35 people

Leiderdorp 0.50% Netherlands 0.76%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.56% 30 people

Leiderdorp 0.73% Netherlands 1.1%
Morocco

0.37% 20 people

Leiderdorp 1.8% Netherlands 2.4%

First and second generation

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

47% 53%

Born abroad (first generation) 46.8% 480
Born in the Netherlands (second generation) 53.2% 545

Men and women

Men: 2,655
Women: 2,705

Compared with all postcodes

Netherlands 29.1% 2351 19.1%

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

19.1%

2351
Leiderdorp
Netherlands

Show as table

Year	2351	Leiderdorp	Netherlands
1998	11.7%	16.3%	16.7%
1999	11.8%	16.5%	17.1%
2000	12.1%	17.0%	17.5%
2001	12.2%	17.6%	18.0%
2002	12.5%	18.5%	18.4%
2003	12.7%	18.2%	18.8%
2004	12.1%	18.2%	19.0%
2005	11.8%	18.3%	19.2%
2006	11.8%	18.3%	19.3%
2007	12.4%	18.3%	19.4%
2008	12.4%	18.5%	19.6%
2009	13.0%	19.0%	19.9%
2010	13.3%	19.2%	20.3%
2011	13.4%	19.6%	20.6%
2012	13.5%	19.8%	20.9%
2013	14.3%	20.1%	21.1%
2014	14.6%	20.5%	21.4%
2015	14.8%	20.7%	21.7%
2016	14.7%	21.3%	22.1%
2017	15.5%	21.5%	22.6%
2018	15.2%	21.7%	23.1%
2019	15.7%	21.9%	23.6%
2020	16.0%	22.1%	24.2%
2021	16.7%	22.8%	24.6%
2022	18.6%	24.5%	26.0%
2023	18.7%	25.5%	27.1%
2024	18.7%	26.3%	27.9%
2025	18.7%	26.5%	28.5%
2026	19.1%	27.5%	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
2353 Buitenhof-Midden-West, Voorhof	29.1%	13,465	+4.2 pp	Other Asia
2352 Ouderzorg, De Vogelwijk	30.1%	9,150	+2.6 pp	Other Asia
2394 Zonneveld, Rhynenburch	17.2%	6,435	+2.6 pp	Other Europe
2314 Roodenburgerdistrict	32.5%	6,055	+1.6 pp	Other Europe
2382 Rijndijk	21.1%	4,450	+4.2 pp	Other Asia
2396 Zuid, Noord	15.8%	4,125	+2.8 pp	Other Asia
2355 Woubrugge	11.7%	1,745	+2.6 pp	Other Asia
2374 Oud Ade en Zevenhuizen	9.1%	770	−0.2 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	4,675	4,130	545	185	360	30	35	35	165	15	80	5	15	85	10	35	35	375	170
1999	4,885	4,310	575	185	380	35	40	45	170	15	80	0	20	85	10	40	25	385	190
2000	5,010	4,405	605	195	415	35	35	45	170	20	85	0	15	95	20	55	35	395	215
2001	5,055	4,445	615	205	410	30	35	40	160	15	90	0	10	105	25	65	40	400	215
2002	5,070	4,435	635	220	420	25	40	45	155	30	95	0	15	110	15	70	40	405	230
2003	5,020	4,375	640	220	415	25	40	40	160	35	90	5	10	115	15	65	35	415	230
2004	4,985	4,375	605	205	400	30	20	45	160	35	80	0	10	115	20	60	30	395	210
2005	4,875	4,305	575	205	355	25	15	35	155	25	90	5	10	100	15	45	40	395	180
2006	4,815	4,250	570	215	360	35	10	35	160	15	90	5	10	110	15	45	45	405	165
2007	4,830	4,225	600	235	365	35	5	45	155	10	90	15	10	120	20	60	35	420	185
2008	4,905	4,295	610	255	365	45	5	35	155	10	95	20	15	125	10	60	45	430	180
2009	5,010	4,360	650	270	375	45	15	35	155	15	100	25	10	135	10	55	45	455	190
2010	5,050	4,385	670	265	405	50	15	40	160	15	105	25	5	130	20	55	50	460	210
2011	5,100	4,415	685	275	415	45	20	45	160	15	100	25	10	140	20	55	55	465	220
2012	5,195	4,495	700	290	410	40	15	50	160	10	100	25	10	155	20	60	55	490	210
2013	5,240	4,495	750	300	440	45	20	45	165	15	100	25	10	165	20	75	55	510	235
2014	5,275	4,505	770	315	455	40	20	55	155	15	110	20	10	175	20	75	75	515	255
2015	5,265	4,485	780	310	470	40	30	55	160	15	105	30	10	165	20	85	65	510	270
2016	5,245	4,475	770	285	485	45	25	55	165	20	90	25	15	155	20	90	65	490	280
2017	5,330	4,505	825	330	495	55	20	55	160	20	95	30	15	190	15	100	70	525	300
2018	5,275	4,475	800	305	495	55	20	50	150	20	100	20	20	165	20	105	75	505	295
2019	5,260	4,435	825	325	500	55	15	55	150	25	90	25	20	190	25	105	70	520	305
2020	5,275	4,430	845	325	520	60	15	60	150	25	90	30	20	185	35	115	60	510	335
2021	5,325	4,435	890	335	550	65	20	65	155	30	95	25	20	195	45	110	60	520	365
2022	5,345	4,350	995	375	620	75	20	70	170	35	100	30	25	225	45	125	75	545	385
2023	5,370	4,365	1,005	380	625	75	20	65	165	30	95	30	25	225	50	135	80	550	395
2024	5,335	4,335	1,000	380	620	70	20	70	160	25	95	30	30	220	50	140	85	–	–
2025	5,355	4,355	1,000	365	635	70	20	70	150	30	90	35	30	210	50	155	85	–	–
2026	5,360	4,335	1,025	375	650	65	20	80	145	30	95	40	35	205	55	165	95	–	–

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