Postcode · Arnhem, Gelderland

Postcode 6821: Neighbourhood St. Marten/Sonsbeek

On 1 January 2026, postcode 6821 in Arnhem (St. Marten/Sonsbeek) had 5,795 residents. 27.2% of them (1,575 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Arnhem (39.0%) and lower than the national average (29.1%). The largest origin groups are other Europe (6.6%), Indonesia (3.2%) and Germany (3.1%). 55.9% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.9 percentage points.

Residents
5,795 on 1 January 2026
Migration background
27.2% 1,575 people
Born abroad
55.9% of those with a migration background
Change since 2022
+1.9 pp in share with a migration background

Map

Migration background, share of residents <15%, 15%–18%, 18%–25%, 25%–30%, 30%–45%, 45%–60%, ≥60%

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 72.8% 4,220
  • Migration background 27.2% 1,575

Largest origin groups

Bars show each group’s share of all residents of 6821. For comparison, the line marks Arnhem and the circle the Netherlands.

  • Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland
    6.6% 380 people
    Arnhem 5.6% Netherlands 5.6%
  • Indonesia
    3.2% 185 people
    Arnhem 3.2% Netherlands 1.9%
  • Germany
    3.1% 180 people
    Arnhem 2.3% Netherlands 1.9%
  • Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean
    3.0% 175 people
    Arnhem 1.9% Netherlands 1.7%
  • Turkey
    2.7% 155 people
    Arnhem 5.4% Netherlands 2.6%
  • Other Asia Asia excluding Indonesia and Turkey
    2.7% 155 people
    Arnhem 9.9% Netherlands 5.3%
  • Other Africa Africa excluding Morocco
    1.7% 100 people
    Arnhem 3.1% Netherlands 2.3%
  • Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba
    1.4% 80 people
    Arnhem 2.0% Netherlands 1.1%
  • Suriname
    1.0% 60 people
    Arnhem 2.0% Netherlands 2.0%
  • Morocco
    0.69% 40 people
    Arnhem 2.4% Netherlands 2.4%
  • Poland
    0.60% 35 people
    Arnhem 0.83% Netherlands 1.4%
  • Belgium
    0.43% 25 people
    Arnhem 0.39% Netherlands 0.76%

First and second generation

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

  • Born abroad (first generation) 55.9% 880
  • Born in the Netherlands (second generation) 44.1% 695

Men and women

Men
2,845
Women
2,955

Compared with all postcodes

Higher than 71% of all postcodes in the Netherlands

Trend since 1998

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

Measure
  • 6821
  • Arnhem
  • Netherlands
Show as table
Year 6821ArnhemNetherlands
1998 23.3%24.2%16.7%
1999 22.6%24.8%17.1%
2000 22.6%25.5%17.5%
2001 21.7%26.3%18.0%
2002 21.9%27.2%18.4%
2003 22.5%27.9%18.8%
2004 22.3%28.2%19.0%
2005 22.0%28.3%19.2%
2006 21.6%28.5%19.3%
2007 22.1%28.7%19.4%
2008 22.5%28.9%19.6%
2009 22.1%29.2%19.9%
2010 21.9%29.3%20.3%
2011 21.7%29.5%20.6%
2012 21.4%29.6%20.9%
2013 21.7%29.7%21.1%
2014 21.7%29.7%21.4%
2015 21.3%29.9%21.7%
2016 21.5%30.3%22.1%
2017 22.0%31.0%22.6%
2018 22.4%31.6%23.1%
2019 23.3%32.1%23.6%
2020 23.2%32.8%24.2%
2021 23.3%33.3%24.6%
2022 25.3%34.7%26.0%
2023 26.7%35.8%27.1%
2024 27.1%36.6%27.9%
2025 27.5%37.7%28.5%
2026 27.2%39.0%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
6828 Spijkerkwartier 12,340 +2.3 pp Other Asia
6822 Klarendal, Monnikenhuizen 7,070 +0.2 pp Turkey
6814 Burgemeesterswijk/Hoogkamp 6,280 +1.8 pp Other Europe
6815 Alteveer/Cranevelt 3,375 +1.6 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 residentsDutch originMigration backgroundEuropeOutside EuropeTurkeyMoroccoSurinameIndonesiaDutch CaribbeanGermanyPolandBelgiumOther EuropeOther AfricaOther AsiaOther Americas & OceaniaWestern migration backgroundNon-Western migration background
1998 5,3054,0701,23534589036030115210301651525140407035575660
1999 5,2904,0951,1953358603203095220301551025145556545580615
2000 5,2954,1051,1953108803102595235351501025125707040570625
2001 5,1904,0651,125305820290259520530150520130656545545580
2002 5,3404,1751,170335830285209020540155520155708040575590
2003 5,3154,1151,195345845280208021045145525170957045590605
2004 5,4254,2151,210370830265208021045135525205957540600605
2005 5,4854,2801,2053908252402580215501501030200808550625575
2006 5,5404,3401,1953808152402585200351451030195809555615585
2007 5,5704,3351,23038085023535951953014015301958011070615615
2008 5,5504,2951,25039586022535902003514030301958511080635615
2009 5,5954,3601,23542082021025852103014535302106511085665570
2010 5,5804,3601,22041581521530802003514035302107010580650570
2011 5,6754,4501,2304507752153580190301454030235609570675555
2012 5,6204,4151,2054257902003580200401502530220559585665540
2013 5,7104,4651,2404507951953080200501753530210759075680560
2014 5,7654,5151,2504607901854580200551853530210609570690565
2015 5,8604,6101,25044581019040802005017525252207010080690565
2016 5,8954,6251,270460815180408019540170352523065110105710565
2017 5,9354,6301,305465845180457518550180302523080130100710595
2018 5,9654,6301,335470865185407519545180253023570140115730605
2019 5,9154,5351,380490885175458019040185202526080155120750625
2020 5,9804,5901,390490900180458018545180203026085165115745650
2021 5,9504,5651,385495890175457519055180352026085165100735650
2022 5,9204,4251,4955309651754570175651854525275100195145755655
2023 5,8754,3101,570590975165456518570190353034090190160830660
2024 5,8254,2451,5805909901504060190751903530335105195170––
2025 5,8304,2251,605625980155456519070190403036595200160––
2026 5,7954,2201,5756209551554060185801803525380100155175––