Postcode · Katwijk, South Holland

Postcode 2224: Neighbourhoods Katwijk aan den Rijn and Katwijk aan Zee

On 1 January 2026, postcode 2224 in Katwijk (Katwijk aan den Rijn and Katwijk aan Zee) had 9,610 residents. 16.7% of them (1,605 people) have a migration background: they were born abroad or have at least one parent who was. That is higher than Katwijk (14.8%) and lower than the national average (29.1%). The largest origin groups are other Asia (5.0%), other Europe (2.8%) and other Africa (1.7%). 60.1% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.0 percentage points.

Residents: 9,610 on 1 January 2026
Migration background: 16.7% 1,605 people
Born abroad: 60.1% 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

83% 17%

Dutch origin 83.2% 8,000
Migration background 16.7% 1,605

Largest origin groups

Bars show each group’s share of all residents of 2224. For comparison, the line marks Katwijk and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

5.0% 485 people

Katwijk 3.8% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

2.8% 270 people

Katwijk 3.0% Netherlands 5.6%
Other Africa Africa excluding Morocco

1.7% 160 people

Katwijk 1.8% Netherlands 2.3%
Morocco

1.4% 135 people

Katwijk 0.87% Netherlands 2.4%
Turkey

1.0% 95 people

Katwijk 0.68% Netherlands 2.6%
Poland

1.0% 95 people

Katwijk 1.2% Netherlands 1.4%
Germany

0.94% 90 people

Katwijk 0.80% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.88% 85 people

Katwijk 0.87% Netherlands 1.7%
Indonesia

0.78% 75 people

Katwijk 0.76% Netherlands 1.9%
Suriname

0.68% 65 people

Katwijk 0.49% Netherlands 2.0%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.31% 30 people

Katwijk 0.28% Netherlands 1.1%
Belgium

0.21% 20 people

Katwijk 0.21% Netherlands 0.76%

First and second generation

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

60% 40%

Born abroad (first generation) 60.1% 965
Born in the Netherlands (second generation) 40.2% 645

Men and women

Men: 4,660
Women: 4,950

Compared with all postcodes

Netherlands 29.1% 2224 16.7%

Higher than 47% 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

16.7%

2224
Katwijk
Netherlands

Show as table

Year	2224	Katwijk	Netherlands
1998	9.0%	6.9%	16.7%
1999	9.3%	7.1%	17.1%
2000	10.1%	7.4%	17.5%
2001	10.5%	7.7%	18.0%
2002	10.9%	8.0%	18.4%
2003	11.1%	8.2%	18.8%
2004	10.8%	8.2%	19.0%
2005	10.7%	8.3%	19.2%
2006	10.9%	8.3%	19.3%
2007	11.0%	8.4%	19.4%
2008	10.6%	8.5%	19.6%
2009	10.7%	8.7%	19.9%
2010	10.9%	9.8%	20.3%
2011	11.3%	10.2%	20.6%
2012	11.3%	10.3%	20.9%
2013	11.4%	10.6%	21.1%
2014	11.2%	10.5%	21.4%
2015	11.5%	10.9%	21.7%
2016	11.9%	11.4%	22.1%
2017	12.0%	11.2%	22.6%
2018	12.4%	11.3%	23.1%
2019	12.8%	11.6%	23.6%
2020	13.1%	11.5%	24.2%
2021	13.5%	12.1%	24.6%
2022	14.7%	12.8%	26.0%
2023	15.2%	13.5%	27.1%
2024	16.2%	14.2%	27.9%
2025	16.3%	14.3%	28.5%
2026	16.7%	14.8%	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
2225 Katwijk aan Zee	9.3%	13,980	+1.7 pp	Other Europe
2221 Noord	14.9%	13,245	+1.3 pp	Other Asia
2224 Katwijk aan den Rijn, Katwijk aan Zee	16.7%	9,610	+2.0 pp	Other Asia
2223 Katwijk aan den Rijn	23.8%	6,325	+4.1 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	6,180	5,630	555	235	320	40	50	15	50	5	75	10	5	145	45	95	20	295	260
1999	6,210	5,635	580	220	355	45	50	20	50	0	75	10	0	135	55	110	25	290	290
2000	6,630	5,960	670	230	430	50	65	20	60	10	80	10	5	135	55	145	25	305	360
2001	6,970	6,230	735	245	495	80	70	30	70	10	80	10	5	150	55	150	30	335	405
2002	7,580	6,765	825	260	560	85	85	40	70	15	90	15	0	155	50	170	45	355	465
2003	8,015	7,130	890	300	585	100	85	35	75	15	95	5	10	190	55	175	45	395	495
2004	8,460	7,545	915	315	605	100	80	35	80	15	95	10	10	200	55	190	50	415	500
2005	8,855	7,900	950	315	625	115	75	40	90	15	95	10	10	200	55	190	45	425	520
2006	8,875	7,905	970	325	645	120	80	40	90	20	95	15	10	205	60	190	45	435	535
2007	8,930	7,950	980	350	625	115	80	35	85	20	95	15	10	230	60	185	45	460	520
2008	8,850	7,915	935	330	605	100	75	40	85	25	90	15	10	215	70	170	40	435	505
2009	8,990	8,030	960	345	605	90	85	45	90	20	90	20	10	225	65	165	45	460	500
2010	9,075	8,085	985	360	630	90	100	40	90	25	90	20	15	235	75	170	40	465	525
2011	9,180	8,140	1,040	385	650	80	100	45	90	20	90	20	15	260	85	180	50	490	550
2012	9,365	8,305	1,055	400	655	90	95	45	90	20	95	25	15	265	90	175	50	510	550
2013	9,335	8,275	1,060	420	645	85	110	50	90	20	95	35	10	280	75	170	45	530	535
2014	9,390	8,335	1,055	415	645	75	130	50	85	20	95	45	15	260	70	170	45	510	545
2015	9,380	8,305	1,075	385	685	85	125	50	85	20	90	45	10	240	80	195	45	485	585
2016	9,525	8,390	1,135	405	725	90	130	50	80	25	100	50	15	240	80	225	45	500	630
2017	9,485	8,345	1,140	405	735	100	125	55	85	20	95	65	10	235	85	220	45	510	630
2018	9,605	8,410	1,195	420	775	95	120	65	80	15	95	75	10	240	110	245	45	525	670
2019	9,520	8,305	1,215	425	790	105	130	60	80	10	95	75	10	245	100	255	50	525	695
2020	9,560	8,305	1,255	425	830	105	130	65	75	10	95	75	15	240	110	275	60	525	725
2021	9,535	8,245	1,290	440	855	100	140	70	75	15	100	80	15	245	115	285	55	540	755
2022	9,570	8,165	1,410	445	960	110	145	70	85	20	95	90	10	250	120	340	75	565	810
2023	9,525	8,080	1,445	445	1,000	115	150	65	85	20	90	85	10	260	120	360	85	565	835
2024	9,675	8,110	1,565	475	1,090	115	145	70	80	30	95	85	15	275	130	430	90	–	–
2025	9,665	8,085	1,580	480	1,100	105	135	70	75	30	100	90	15	275	150	450	85	–	–
2026	9,610	8,000	1,605	475	1,135	95	135	65	75	30	90	95	20	270	160	485	85	–	–

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