City · Súdwest-Fryslân, Friesland

Koudum: Migration background and origin

On 1 January 2026, Koudum had 2,815 residents. 13.5% of them (380 people) have a migration background: they were born abroad or have at least one parent who was. That is higher than the municipality of Súdwest-Fryslân (12.3%) and lower than the national average (29.1%). The largest origin groups are other Europe (6.4%), other Asia (2.1%) and other Americas & Oceania (1.1%). 72.4% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 6.3 percentage points.

Residents: 2,815 on 1 January 2026
Migration background: 13.5% 380 people
Born abroad: 72.4% of those with a migration background
Change since 2022: +6.3 pp in share with a migration background

Migration background, share of residents

Share of residents with a migration background per postcode.

Where residents come from

Origin of residents on 1 January 2026, as a share of all residents.

Dutch origin and migration background

87%

Dutch origin 86.5% 2,435
Migration background 13.5% 380

Largest origin groups

Bars show each group’s share of all residents of Koudum. For comparison, the line marks Súdwest-Fryslân and the circle the Netherlands.

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

6.4% 180 people

Súdwest-Fryslân 2.8% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

2.1% 60 people

Súdwest-Fryslân 2.8% Netherlands 5.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.1% 30 people

Súdwest-Fryslân 0.91% Netherlands 1.7%
Germany

0.89% 25 people

Súdwest-Fryslân 1.5% Netherlands 1.9%
Other Africa Africa excluding Morocco

0.89% 25 people

Súdwest-Fryslân 1.3% Netherlands 2.3%
Indonesia

0.71% 20 people

Súdwest-Fryslân 1.2% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.71% 20 people

Súdwest-Fryslân 0.33% Netherlands 1.1%
Suriname

0.36% 10 people

Súdwest-Fryslân 0.31% Netherlands 2.0%
Turkey

0.18% 5 people

Súdwest-Fryslân 0.51% Netherlands 2.6%
Poland

0.18% 5 people

Súdwest-Fryslân 0.24% Netherlands 1.4%
Morocco

0.0% 0 people

Súdwest-Fryslân 0.13% Netherlands 2.4%
Belgium

0.0% 0 people

Súdwest-Fryslân 0.14% Netherlands 0.76%

First and second generation

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

72% 26%

Born abroad (first generation) 72.4% 275
Born in the Netherlands (second generation) 26.3% 100

Men and women

Men: 1,375
Women: 1,440

Compared with all cities

Netherlands 29.1% Koudum 13.5%

Higher than 56% of all cities in the Netherlands

Trend since 1998

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

Show

Measure % Residents

New CBS classification

13.5%

Koudum
Súdwest-Fryslân
Netherlands

Show as table

Year	Koudum	Súdwest-Fryslân	Netherlands
1998	4.3%	6.8%	16.7%
1999	4.3%	7.0%	17.1%
2000	4.6%	7.3%	17.5%
2001	4.2%	7.6%	18.0%
2002	4.4%	7.8%	18.4%
2003	4.4%	8.0%	18.8%
2004	4.8%	7.5%	19.0%
2005	4.7%	7.3%	19.2%
2006	4.8%	7.3%	19.3%
2007	4.6%	7.2%	19.4%
2008	4.9%	7.3%	19.6%
2009	4.4%	7.3%	19.9%
2010	4.6%	7.4%	20.3%
2011	4.3%	7.4%	20.6%
2012	4.7%	7.6%	20.9%
2013	4.9%	7.7%	21.1%
2014	5.4%	7.8%	21.4%
2015	5.3%	7.9%	21.7%
2016	5.8%	8.1%	22.1%
2017	6.0%	8.6%	22.6%
2018	6.3%	8.9%	23.1%
2019	6.7%	9.0%	23.6%
2020	6.2%	9.3%	24.2%
2021	6.2%	9.4%	24.6%
2022	7.2%	10.5%	26.0%
2023	11.6%	11.3%	27.1%
2024	12.3%	11.6%	27.9%
2025	13.1%	11.9%	28.5%
2026	13.5%	12.3%	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).

Postcodes in Koudum

				Largest group
8723 Koudum	13.5%	2,815	+6.3 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 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	2,655	2,540	115	55	60	0	0	0	15	0	35	5	0	15	15	15	15	85	25
1999	2,690	2,580	115	60	55	0	0	0	15	0	35	5	0	20	15	10	15	85	25
2000	2,725	2,605	125	50	75	0	5	0	15	0	30	0	0	20	10	25	20	85	45
2001	2,715	2,600	115	60	50	0	0	0	10	0	35	5	0	20	10	15	15	95	30
2002	2,720	2,595	120	65	60	0	0	0	15	0	30	0	0	35	15	15	15	95	25
2003	2,710	2,590	120	65	55	0	0	0	20	0	30	10	5	20	5	5	25	105	20
2004	2,735	2,610	130	65	60	0	0	0	20	0	35	10	5	15	5	15	20	100	25
2005	2,750	2,620	130	75	60	0	0	0	20	0	35	10	5	25	5	15	20	110	25
2006	2,700	2,570	130	70	60	0	0	0	15	0	40	5	5	20	0	20	25	105	25
2007	2,690	2,565	125	75	55	0	5	0	15	0	40	10	5	20	5	10	20	105	20
2008	2,730	2,600	135	75	60	0	0	0	15	0	40	10	5	20	10	15	20	105	30
2009	2,710	2,590	120	70	55	0	0	0	10	0	40	10	5	15	5	20	20	95	25
2010	2,720	2,595	125	75	50	0	0	0	10	0	40	10	5	20	5	15	20	100	25
2011	2,700	2,580	115	70	45	0	0	0	15	0	35	10	5	20	5	10	15	95	20
2012	2,670	2,545	125	70	55	0	0	0	20	0	40	10	5	15	10	10	15	100	25
2013	2,670	2,540	130	65	70	0	0	0	15	0	40	5	5	15	10	25	20	95	30
2014	2,680	2,535	145	75	70	0	0	0	15	0	35	15	0	25	15	20	20	100	40
2015	2,645	2,505	140	65	75	0	0	0	15	5	35	10	0	20	5	35	15	95	50
2016	2,680	2,525	155	60	95	0	0	5	15	0	35	5	0	20	15	40	20	85	65
2017	2,685	2,525	160	60	100	0	5	0	15	0	35	0	5	20	15	45	20	90	65
2018	2,705	2,535	170	55	115	0	0	5	20	5	30	5	5	15	20	45	20	90	80
2019	2,695	2,515	180	55	125	0	0	10	15	0	30	5	5	15	30	45	25	90	85
2020	2,645	2,480	165	45	120	0	0	10	15	5	25	5	0	15	35	40	15	75	95
2021	2,655	2,490	165	50	115	0	0	5	15	0	20	10	0	20	25	45	25	80	80
2022	2,650	2,455	190	55	145	0	0	5	20	10	25	0	0	20	20	60	25	80	90
2023	2,790	2,465	325	180	145	5	0	5	15	10	30	0	5	145	20	65	30	205	90
2024	2,770	2,435	340	195	145	5	0	5	15	15	30	0	0	165	25	60	20	–	–
2025	2,815	2,445	370	210	160	5	0	5	15	20	25	0	0	180	25	55	30	–	–
2026	2,815	2,435	380	210	170	5	0	10	20	20	25	5	0	180	25	60	30	–	–

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