Postcode · Katwijk, South Holland

Postcode 2225: Neighbourhood Katwijk aan Zee

On 1 January 2026, postcode 2225 in Katwijk (Katwijk aan Zee) had 13,980 residents. 9.3% of them (1,295 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Katwijk (14.8%) and lower than the national average (29.1%). The largest origin groups are other Europe (2.8%), other Asia (1.3%) and Poland (1.1%). 60.2% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.7 percentage points.

Residents: 13,980 on 1 January 2026
Migration background: 9.3% 1,295 people
Born abroad: 60.2% 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

91%

Dutch origin 90.7% 12,685
Migration background 9.3% 1,295

Largest origin groups

Bars show each group’s share of all residents of 2225. For comparison, the line marks Katwijk and the circle the Netherlands.

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

2.8% 395 people

Katwijk 3.0% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

1.3% 175 people

Katwijk 3.8% Netherlands 5.3%
Poland

1.1% 160 people

Katwijk 1.2% Netherlands 1.4%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.86% 120 people

Katwijk 0.87% Netherlands 1.7%
Germany

0.75% 105 people

Katwijk 0.80% Netherlands 1.9%
Other Africa Africa excluding Morocco

0.75% 105 people

Katwijk 1.8% Netherlands 2.3%
Indonesia

0.57% 80 people

Katwijk 0.76% Netherlands 1.9%
Suriname

0.43% 60 people

Katwijk 0.49% Netherlands 2.0%
Morocco

0.21% 30 people

Katwijk 0.87% Netherlands 2.4%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.21% 30 people

Katwijk 0.28% Netherlands 1.1%
Turkey

0.14% 20 people

Katwijk 0.68% Netherlands 2.6%
Belgium

0.14% 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) 60.2% 780
Born in the Netherlands (second generation) 39.8% 515

Men and women

Men: 6,865
Women: 7,120

Compared with all postcodes

Netherlands 29.1% 2225 9.3%

Higher than 17% 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

9.3%

2225
Katwijk
Netherlands

Show as table

Year	2225	Katwijk	Netherlands
1998	3.4%	6.9%	16.7%
1999	3.3%	7.1%	17.1%
2000	3.4%	7.4%	17.5%
2001	3.5%	7.7%	18.0%
2002	3.8%	8.0%	18.4%
2003	4.0%	8.2%	18.8%
2004	3.8%	8.2%	19.0%
2005	4.0%	8.3%	19.2%
2006	4.2%	8.3%	19.3%
2007	4.1%	8.4%	19.4%
2008	4.1%	8.5%	19.6%
2009	4.3%	8.7%	19.9%
2010	4.3%	9.8%	20.3%
2011	4.4%	10.2%	20.6%
2012	4.6%	10.3%	20.9%
2013	4.8%	10.6%	21.1%
2014	5.1%	10.5%	21.4%
2015	5.5%	10.9%	21.7%
2016	5.8%	11.4%	22.1%
2017	6.2%	11.2%	22.6%
2018	6.3%	11.3%	23.1%
2019	6.5%	11.6%	23.6%
2020	6.8%	11.5%	24.2%
2021	7.0%	12.1%	24.6%
2022	7.6%	12.8%	26.0%
2023	8.0%	13.5%	27.1%
2024	8.4%	14.2%	27.9%
2025	8.9%	14.3%	28.5%
2026	9.3%	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
2221 Noord	14.9%	13,245	+1.3 pp	Other Asia
2242 Noordoostelijk deel der gemeente	46.3%	10,295	+7.7 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	13,430	12,980	450	265	185	0	20	15	70	5	90	0	20	155	20	35	20	340	110
1999	13,460	13,005	450	260	195	5	25	20	70	5	90	0	20	150	20	30	20	340	110
2000	13,640	13,180	465	245	225	5	30	20	60	10	85	0	10	150	15	45	40	325	140
2001	13,720	13,240	485	255	215	5	35	30	60	10	90	0	10	155	15	35	25	335	145
2002	13,620	13,110	515	285	225	10	30	20	55	10	95	0	15	175	20	35	45	365	145
2003	13,665	13,110	550	295	265	20	35	25	60	10	95	5	10	185	25	45	45	380	170
2004	13,620	13,095	520	275	245	15	25	25	60	15	100	5	15	155	35	35	35	350	175
2005	13,610	13,065	545	290	255	10	30	25	60	10	105	5	10	170	40	40	40	365	175
2006	13,735	13,165	575	295	280	15	35	30	60	15	110	15	15	155	40	40	45	385	190
2007	13,715	13,150	565	300	265	15	30	25	55	15	105	20	15	160	45	35	45	375	190
2008	13,770	13,205	565	295	275	15	30	25	65	15	95	20	15	165	40	35	50	380	185
2009	13,830	13,240	590	325	275	15	25	25	70	15	100	35	15	175	40	35	50	410	180
2010	13,990	13,390	605	330	270	15	20	25	70	15	100	35	15	180	30	40	55	425	175
2011	13,990	13,370	620	340	285	15	20	30	75	15	95	35	15	195	30	45	55	440	185
2012	13,910	13,275	640	340	300	15	20	30	80	20	100	45	10	185	35	40	60	450	190
2013	13,875	13,205	670	375	305	15	20	30	75	15	95	55	15	210	50	40	60	475	195
2014	13,895	13,180	715	400	315	20	25	30	70	20	100	70	15	215	50	35	65	505	210
2015	13,975	13,200	775	445	330	15	25	30	75	20	95	90	20	240	60	35	70	550	220
2016	13,940	13,135	805	450	355	20	25	35	75	15	100	115	20	215	60	55	70	565	245
2017	14,045	13,180	865	480	385	15	30	35	75	15	105	125	15	235	80	60	75	595	265
2018	14,100	13,205	895	505	385	10	35	40	75	15	105	130	15	255	75	50	85	620	275
2019	14,180	13,260	920	510	410	10	35	45	70	15	95	125	20	270	80	70	85	615	300
2020	14,135	13,175	960	540	420	15	30	45	70	20	100	165	15	260	85	70	85	645	315
2021	14,045	13,060	985	535	445	15	30	45	75	20	100	160	15	260	90	85	85	645	340
2022	14,025	12,965	1,060	535	530	15	35	50	85	25	100	155	15	260	95	120	100	645	350
2023	14,045	12,915	1,130	580	555	15	35	55	85	30	110	170	15	285	100	135	100	685	380
2024	14,055	12,870	1,185	605	580	15	35	60	80	35	100	170	15	315	100	155	105	–	–
2025	14,055	12,805	1,250	640	610	25	35	60	80	30	110	185	20	320	100	165	120	–	–
2026	13,980	12,685	1,295	680	615	20	30	60	80	30	105	160	20	395	105	175	120	–	–

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