migration-background.nl

Postcode · Katwijk, South Holland

Postcode 2221Neighbourhood Noord

On 1 January 2026, postcode 2221 in Katwijk (Noord) had 13,245 residents. 14.9% of them (1,975 people) have a migration background: they were born abroad or have at least one parent who was. That is about the same as Katwijk (14.8%) and lower than the national average (29.1%). The largest origin groups are other Asia (4.1%), other Europe (2.3%) and other Africa (2.2%). 57.7% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.3 percentage points.

Residents
13,245 on 1 January 2026
Migration background
14.9% 1,975 people
Born abroad
57.7% of those with a migration background
Change since 2022
+1.3 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

  • Dutch origin 85.1% 11,270
  • Migration background 14.9% 1,975

Largest origin groups

Bars show each group’s share of all residents of 2221. For comparison, the line marks Katwijk and the circle the Netherlands.

  • Other Asia Asia excluding Indonesia and Turkey
    4.1% 545 people
    Katwijk 3.8% Netherlands 5.3%
  • Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland
    2.3% 310 people
    Katwijk 3.0% Netherlands 5.6%
  • Other Africa Africa excluding Morocco
    2.2% 290 people
    Katwijk 1.8% Netherlands 2.3%
  • Morocco
    1.0% 135 people
    Katwijk 0.87% Netherlands 2.4%
  • Poland
    1.0% 130 people
    Katwijk 1.2% Netherlands 1.4%
  • Turkey
    0.94% 125 people
    Katwijk 0.68% Netherlands 2.6%
  • Indonesia
    0.94% 125 people
    Katwijk 0.76% Netherlands 1.9%
  • Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean
    0.91% 120 people
    Katwijk 0.87% Netherlands 1.7%
  • Germany
    0.79% 105 people
    Katwijk 0.80% Netherlands 1.9%
  • Suriname
    0.26% 35 people
    Katwijk 0.49% Netherlands 2.0%
  • Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba
    0.26% 35 people
    Katwijk 0.28% Netherlands 1.1%
  • Belgium
    0.19% 25 people
    Katwijk 0.21% Netherlands 0.76%

First and second generation

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

  • Born abroad (first generation) 57.7% 1,140
  • Born in the Netherlands (second generation) 42.3% 835

Men and women

Men
6,670
Women
6,575

Compared with all postcodes

Higher than 41% of all postcodes in the Netherlands

Trend since 1998

Share of residents with a migration background, compared with larger areas.

Measure
  • 2221
  • Katwijk
  • Netherlands
Show as table
Year 2221KatwijkNetherlands
1998 8.8%6.9%16.7%
1999 9.3%7.1%17.1%
2000 9.8%7.4%17.5%
2001 10.1%7.7%18.0%
2002 10.3%8.0%18.4%
2003 10.6%8.2%18.8%
2004 10.5%8.2%19.0%
2005 10.5%8.3%19.2%
2006 10.3%8.3%19.3%
2007 10.7%8.4%19.4%
2008 11.2%8.5%19.6%
2009 11.5%8.7%19.9%
2010 12.0%9.8%20.3%
2011 12.2%10.2%20.6%
2012 12.7%10.3%20.9%
2013 12.5%10.6%21.1%
2014 12.7%10.5%21.4%
2015 12.7%10.9%21.7%
2016 12.9%11.4%22.1%
2017 12.6%11.2%22.6%
2018 12.8%11.3%23.1%
2019 13.1%11.6%23.6%
2020 13.2%11.5%24.2%
2021 13.3%12.1%24.6%
2022 13.6%12.8%26.0%
2023 14.5%13.5%27.1%
2024 15.0%14.2%27.9%
2025 14.9%14.3%28.5%
2026 14.9%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 13,980 +1.7 pp Other Europe
2201 Binnen 13,390 +1.5 pp Other Europe
2221 Noord 13,245 +1.3 pp Other Asia
2224 Katwijk aan den Rijn, Katwijk aan Zee 9,610 +2.0 pp Other Asia
2202 Zee 7,935 +2.9 pp Other Europe
2222 't Heen 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 residentsDutch originMigration backgroundEuropeOutside EuropeTurkeyMoroccoSurinameIndonesiaDutch CaribbeanGermanyPolandBelgiumOther EuropeOther AfricaOther AsiaOther Americas & OceaniaWestern migration backgroundNon-Western migration background
1998 14,79513,4951,305480820170854018550160102029011012555705600
1999 14,72513,3501,375490890180954018050155102030513515060705670
2000 14,41012,9951,410510900180100351853015552033015015070725685
2001 14,21012,7851,4305009301701103018035155102031516517565710720
2002 14,05012,6001,4505059501701053017035155101532518019070710735
2003 13,83512,3751,4604809801601202016035155151529519022570675785
2004 13,74512,3001,4454859651601302515035150201030517522070670780
2005 13,58012,1601,4204759451401352515035155251528016522075655760
2006 13,53512,1401,3904609401451403014530145201528014522580645745
2007 13,51512,0801,4404809551401402515530160401526517022075665770
2008 13,39511,9051,5004801,0201551602515535145452027018522085675820
2009 13,28011,7501,5304901,0351551652515035140502028018524575675850
2010 13,33511,7401,5955051,0801601653014540140551529521025575690905
2011 13,21511,6001,6155201,0951601553014535140651530024025080705910
2012 13,28511,5951,6905551,1351601652514540135902031024526590740955
2013 13,50511,8101,6905551,14517018030150401301102029522527080740955
2014 13,52011,8001,7205951,13017015535150301351402529524526085790935
2015 13,53511,8151,7205901,13516516035140351251352530524527085775950
2016 13,48511,7501,7355901,14515015535140351251402030525030080760970
2017 13,28511,6051,6805501,13014014540140351201302028024530085720960
2018 13,15511,4751,6805401,13514013035135301201302027024533585710970
2019 13,24011,5101,7305501,185140135351403512013020280245365907201,015
2020 13,22511,4851,7405401,195135140301403511013020280250370957051,030
2021 13,15011,4001,7505251,225125135351353510013520270285380956851,065
2022 13,17011,3751,7955001,2951201353514035110110252552804451056701,065
2023 13,42511,4751,9455551,3851251404014030110130252902954951157301,150
2024 13,47011,4602,0155851,425120150351353511014025310305530120––
2025 13,36011,3751,9855701,415120145401303511512525310290540115––
2026 13,24511,2701,9755651,410125135351253510513025310290545120––

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