Postcode · Katwijk, South Holland

Postcode 2223: Neighbourhood Katwijk aan den Rijn

On 1 January 2026, postcode 2223 in Katwijk (Katwijk aan den Rijn) had 6,325 residents. 23.8% of them (1,505 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 (7.1%), other Europe (5.4%) and other Africa (3.6%). 70.8% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 4.1 percentage points.

Residents: 6,325 on 1 January 2026
Migration background: 23.8% 1,505 people
Born abroad: 70.8% of those with a migration background
Change since 2022: +4.1 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

76% 24%

Dutch origin 76.2% 4,820
Migration background 23.8% 1,505

Largest origin groups

Bars show each group’s share of all residents of 2223. For comparison, the line marks Katwijk and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

7.1% 450 people

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

5.4% 340 people

Katwijk 3.0% Netherlands 5.6%
Other Africa Africa excluding Morocco

3.6% 225 people

Katwijk 1.8% Netherlands 2.3%
Poland

1.8% 115 people

Katwijk 1.2% Netherlands 1.4%
Morocco

1.2% 75 people

Katwijk 0.87% Netherlands 2.4%
Turkey

0.87% 55 people

Katwijk 0.68% Netherlands 2.6%
Suriname

0.79% 50 people

Katwijk 0.49% Netherlands 2.0%
Indonesia

0.79% 50 people

Katwijk 0.76% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.79% 50 people

Katwijk 0.87% Netherlands 1.7%
Germany

0.71% 45 people

Katwijk 0.80% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.40% 25 people

Katwijk 0.28% Netherlands 1.1%
Belgium

0.40% 25 people

Katwijk 0.21% Netherlands 0.76%

First and second generation

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

71% 29%

Born abroad (first generation) 70.8% 1,065
Born in the Netherlands (second generation) 29.2% 440

Men and women

Men: 3,195
Women: 3,130

Compared with all postcodes

Netherlands 29.1% 2223 23.8%

Higher than 65% 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

23.8%

2223
Katwijk
Netherlands

Show as table

Year	2223	Katwijk	Netherlands
1998	8.1%	6.9%	16.7%
1999	8.0%	7.1%	17.1%
2000	7.9%	7.4%	17.5%
2001	8.1%	7.7%	18.0%
2002	8.5%	8.0%	18.4%
2003	8.5%	8.2%	18.8%
2004	8.9%	8.2%	19.0%
2005	9.3%	8.3%	19.2%
2006	9.1%	8.3%	19.3%
2007	9.3%	8.4%	19.4%
2008	9.3%	8.5%	19.6%
2009	9.7%	8.7%	19.9%
2010	15.9%	9.8%	20.3%
2011	16.8%	10.2%	20.6%
2012	16.4%	10.3%	20.9%
2013	18.1%	10.6%	21.1%
2014	16.8%	10.5%	21.4%
2015	17.9%	10.9%	21.7%
2016	19.7%	11.4%	22.1%
2017	18.3%	11.2%	22.6%
2018	18.0%	11.3%	23.1%
2019	18.5%	11.6%	23.6%
2020	16.4%	11.5%	24.2%
2021	18.7%	12.1%	24.6%
2022	19.7%	12.8%	26.0%
2023	21.4%	13.5%	27.1%
2024	22.6%	14.2%	27.9%
2025	22.4%	14.3%	28.5%
2026	23.8%	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
2231 Rijnsburg	15.4%	16,860	+2.4 pp	Other Europe
2225 Katwijk aan Zee	9.3%	13,980	+1.7 pp	Other Europe
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
2235 't Joght, 't Duyfrak	14.7%	6,245	+1.7 pp	Other Europe
2222 't Heen	0.0%	10	±0.0 pp	–

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	6,130	5,635	495	225	270	30	45	15	90	5	75	5	35	110	20	50	15	335	160
1999	6,155	5,660	495	225	275	25	55	20	90	5	70	5	25	125	15	50	15	325	170
2000	6,045	5,565	475	220	250	25	40	20	90	5	75	0	25	120	15	45	10	320	155
2001	6,075	5,575	495	235	265	25	40	15	85	0	80	5	30	120	15	65	20	340	160
2002	6,030	5,525	510	245	260	20	40	20	85	0	70	5	30	140	20	50	25	345	165
2003	5,990	5,480	510	245	260	15	45	20	85	5	70	5	20	150	15	50	25	340	170
2004	5,970	5,440	530	240	290	20	45	20	85	5	75	5	20	140	30	60	25	345	190
2005	5,955	5,400	555	265	290	20	50	15	85	5	75	5	20	165	25	60	30	360	195
2006	6,010	5,465	545	255	300	20	50	15	85	0	75	10	25	145	30	65	35	350	200
2007	6,095	5,530	565	260	310	25	50	15	80	5	75	15	20	150	40	65	30	355	210
2008	6,050	5,490	565	250	305	20	55	15	80	5	70	10	20	150	35	70	25	345	220
2009	6,000	5,415	580	250	340	20	45	15	75	0	70	25	20	135	55	100	30	340	245
2010	6,305	5,305	1,000	280	720	20	55	15	70	5	60	30	15	175	220	295	40	360	640
2011	6,365	5,290	1,070	310	760	20	45	20	70	10	55	45	25	185	215	350	30	395	685
2012	6,360	5,315	1,045	365	675	20	50	25	65	5	55	40	20	250	225	250	35	455	595
2013	6,425	5,265	1,160	430	730	20	65	20	65	5	55	40	20	315	225	285	45	520	640
2014	6,265	5,210	1,055	380	675	30	65	25	70	5	50	50	20	260	175	270	35	460	595
2015	6,310	5,180	1,130	410	720	15	60	25	65	10	45	70	25	270	205	315	25	485	645
2016	6,405	5,145	1,260	410	850	20	60	20	65	10	45	70	25	270	250	400	25	490	770
2017	6,255	5,110	1,145	410	735	25	60	25	65	10	50	75	25	260	185	340	25	490	660
2018	6,180	5,065	1,115	400	715	20	60	20	65	10	50	75	25	250	185	330	25	480	640
2019	6,170	5,030	1,140	380	760	30	60	20	60	15	50	85	25	220	210	335	30	455	685
2020	6,020	5,030	990	340	655	20	65	25	65	15	50	85	25	180	155	285	25	410	585
2021	6,090	4,950	1,140	335	805	25	60	25	60	20	50	100	20	165	205	370	40	405	735
2022	6,155	4,940	1,215	325	885	25	60	30	55	20	50	100	25	155	220	430	45	395	790
2023	6,210	4,885	1,330	515	820	30	65	35	60	15	50	100	25	335	195	375	45	585	725
2024	6,245	4,835	1,410	540	870	40	65	35	60	15	50	110	25	360	230	370	50	–	–
2025	6,215	4,820	1,395	540	855	40	70	40	55	20	50	110	25	360	185	395	50	–	–
2026	6,325	4,820	1,505	525	980	55	75	50	50	25	45	115	25	340	225	450	50	–	–

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