Postcode · Koarnjum, Friesland

Postcode 9056: Neighbourhood Dokkumer Ie

On 1 January 2026, postcode 9056 in Koarnjum (Dokkumer Ie) had 420 residents. 8.3% of them (35 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Leeuwarden (22.5%) and lower than the national average (29.1%). The largest origin groups are other Asia (3.6%), Turkey (1.2%) and Germany (1.2%). 42.9% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.3 percentage points.

Residents: 420 on 1 January 2026
Migration background: 8.3% 35 people
Born abroad: 42.9% 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

90%

Dutch origin 90.5% 380
Migration background 8.3% 35

Largest origin groups

Bars show each group’s share of all residents of 9056. For comparison, the line marks Municipality of Leeuwarden and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

3.6% 15 people

Municipality of Leeuwarden 5.2% Netherlands 5.3%
Turkey

1.2% 5 people

Municipality of Leeuwarden 0.65% Netherlands 2.6%
Germany

1.2% 5 people

Municipality of Leeuwarden 1.7% Netherlands 1.9%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

1.2% 5 people

Municipality of Leeuwarden 4.8% Netherlands 5.6%
Morocco

0.0% 0 people

Municipality of Leeuwarden 0.87% Netherlands 2.4%
Suriname

0.0% 0 people

Municipality of Leeuwarden 1.2% Netherlands 2.0%
Indonesia

0.0% 0 people

Municipality of Leeuwarden 1.7% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.0% 0 people

Municipality of Leeuwarden 1.5% Netherlands 1.1%
Poland

0.0% 0 people

Municipality of Leeuwarden 0.49% Netherlands 1.4%
Belgium

0.0% 0 people

Municipality of Leeuwarden 0.20% Netherlands 0.76%
Other Africa Africa excluding Morocco

0.0% 0 people

Municipality of Leeuwarden 2.8% Netherlands 2.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.0% 0 people

Municipality of Leeuwarden 1.4% Netherlands 1.7%

First and second generation

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

43% 57%

Born abroad (first generation) 42.9% 15
Born in the Netherlands (second generation) 57.1% 20

Men and women

Men: 205
Women: 215

Compared with all postcodes

Not ranked: fewer than 500 residents.

Trend since 1998

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

Show

Measure % Residents

New CBS classification

8.3%

9056
Municipality of Leeuwarden
Netherlands

Show as table

Year	9056	Municipality of Leeuwarden	Netherlands
1998	3.3%	11.7%	16.7%
1999	4.3%	12.1%	17.1%
2000	4.3%	12.4%	17.5%
2001	5.2%	12.9%	18.0%
2002	6.2%	13.3%	18.4%
2003	5.0%	13.8%	18.8%
2004	4.1%	13.8%	19.0%
2005	3.1%	13.8%	19.2%
2006	3.1%	13.8%	19.3%
2007	4.2%	13.9%	19.4%
2008	4.3%	14.0%	19.6%
2009	5.3%	14.3%	19.9%
2010	4.4%	14.6%	20.3%
2011	4.4%	15.0%	20.6%
2012	4.4%	15.2%	20.9%
2013	5.6%	15.4%	21.1%
2014	5.6%	15.4%	21.4%
2015	6.7%	15.4%	21.7%
2016	5.7%	15.7%	22.1%
2017	4.6%	16.2%	22.6%
2018	5.9%	16.6%	23.1%
2019	4.7%	17.1%	23.6%
2020	4.7%	17.7%	24.2%
2021	7.1%	18.0%	24.6%
2022	7.1%	19.3%	26.0%
2023	6.0%	20.3%	27.1%
2024	8.1%	21.1%	27.9%
2025	8.3%	22.0%	28.5%
2026	8.3%	22.5%	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
9051 Stiens	11.0%	7,760	+1.2 pp	Other Asia
9055 Dokkumer Ie	9.7%	930	+0.2 pp	Germany
9045 Bitgummole	10.1%	895	+1.9 pp	Other Asia
8919 Bilgaard & Havankpark, Westeinde	20.5%	805	+0.5 pp	Other Europe
9077 Vrouwenparochie	12.8%	705	+3.3 pp	Other Europe
9057 Dokkumer Ie	6.8%	295	+0.3 pp	Indonesia
9091 Aldtsjerk	6.0%	250	±0.0 pp	Germany
9082 Dokkumer Ie	0.0%	30	±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	Suriname	Indonesia	Dutch Caribbean	Germany	Belgium	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
1998	460	445	15	10	5	0	0	5	0	10	0	0	0	0	0	15	5
1999	465	445	20	10	10	0	0	5	5	10	0	0	0	0	0	15	0
2000	465	450	20	10	10	0	0	5	0	10	0	0	5	0	0	15	0
2001	480	450	25	15	15	0	0	5	5	10	0	5	5	0	0	15	10
2002	485	455	30	15	15	0	0	5	5	15	0	0	10	0	0	20	10
2003	500	470	25	10	10	0	0	5	0	15	0	0	5	0	0	15	10
2004	490	470	20	10	10	0	0	5	0	10	0	0	5	0	0	15	0
2005	485	465	15	15	10	0	0	5	0	15	0	0	0	0	5	15	5
2006	490	470	15	10	5	0	0	5	5	15	0	0	0	0	0	15	0
2007	480	460	20	10	5	0	0	5	0	15	0	0	0	0	0	20	5
2008	465	450	20	10	15	0	0	5	0	10	0	0	5	0	5	20	0
2009	470	445	25	10	10	0	0	0	0	10	0	0	5	5	0	15	10
2010	455	430	20	10	15	5	0	5	5	10	0	0	5	0	0	15	10
2011	455	430	20	10	15	0	0	5	0	10	0	0	5	0	5	15	10
2012	455	435	20	10	10	0	0	5	0	10	5	0	5	0	0	15	10
2013	450	430	25	10	20	0	0	5	0	10	0	0	10	5	0	15	10
2014	450	425	25	10	15	0	5	5	0	10	0	0	10	0	0	15	15
2015	450	420	30	15	10	0	0	5	0	10	0	5	5	0	5	15	10
2016	440	415	25	10	15	0	0	5	0	10	0	0	10	0	0	15	10
2017	435	415	20	15	10	0	0	5	5	10	5	0	0	0	0	20	5
2018	425	400	25	10	10	0	0	5	5	10	0	0	0	5	0	20	10
2019	425	405	20	10	10	0	0	5	0	10	0	0	5	0	0	15	5
2020	430	410	20	10	10	0	0	0	0	5	5	0	0	10	0	10	10
2021	420	390	30	10	20	0	0	0	0	10	0	0	0	15	5	10	15
2022	425	390	30	10	20	0	0	0	0	10	0	0	0	10	0	15	15
2023	420	390	25	10	15	0	5	0	0	10	0	0	0	10	0	15	15
2024	430	395	35	15	20	0	0	0	0	10	0	0	0	15	0	–	–
2025	420	385	35	15	20	5	0	0	0	5	0	5	0	10	0	–	–
2026	420	380	35	15	25	5	0	0	0	5	0	5	0	15	0	–	–

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