City · Heerenveen, Friesland

Katlijk: Migration background and origin

On 1 January 2026, Katlijk had 605 residents. 7.4% of them (45 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Heerenveen (15.7%) and lower than the national average (29.1%). The largest origin groups are Germany (1.7%), other Europe (1.7%) and Indonesia (0.83%). 55.6% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 0.8 percentage points.

Residents: 605 on 1 January 2026
Migration background: 7.4% 45 people
Born abroad: 55.6% of those with a migration background
Change since 2022: +0.8 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

93%

Dutch origin 92.6% 560
Migration background 7.4% 45

Largest origin groups

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

Germany

1.7% 10 people

Municipality of Heerenveen 1.5% Netherlands 1.9%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

1.7% 10 people

Municipality of Heerenveen 3.0% Netherlands 5.6%
Indonesia

0.83% 5 people

Municipality of Heerenveen 1.1% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.83% 5 people

Municipality of Heerenveen 0.59% Netherlands 1.1%
Other Asia Asia excluding Indonesia and Turkey

0.83% 5 people

Municipality of Heerenveen 3.5% Netherlands 5.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.83% 5 people

Municipality of Heerenveen 1.1% Netherlands 1.7%
Turkey

0.0% 0 people

Municipality of Heerenveen 1.1% Netherlands 2.6%
Morocco

0.0% 0 people

Municipality of Heerenveen 0.69% Netherlands 2.4%
Suriname

0.0% 0 people

Municipality of Heerenveen 0.64% Netherlands 2.0%
Poland

0.0% 0 people

Municipality of Heerenveen 0.40% Netherlands 1.4%
Belgium

0.0% 0 people

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

0.0% 0 people

Municipality of Heerenveen 1.7% Netherlands 2.3%

First and second generation

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

56% 44%

Born abroad (first generation) 55.6% 25
Born in the Netherlands (second generation) 44.4% 20

Men and women

Men: 300
Women: 305

Compared with all cities

Netherlands 29.1% Katlijk 7.4%

Higher than 16% 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

7.4%

Katlijk
Municipality of Heerenveen
Netherlands

Show as table

Year	Katlijk	Municipality of Heerenveen	Netherlands
1998	5.2%	8.8%	16.7%
1999	5.1%	9.0%	17.1%
2000	4.2%	9.1%	17.5%
2001	4.1%	9.8%	18.0%
2002	4.8%	10.3%	18.4%
2003	5.0%	10.4%	18.8%
2004	4.0%	10.7%	19.0%
2005	4.7%	10.2%	19.2%
2006	3.9%	9.9%	19.3%
2007	4.7%	9.9%	19.4%
2008	4.7%	10.2%	19.6%
2009	4.8%	10.3%	19.9%
2010	4.1%	10.5%	20.3%
2011	4.0%	10.5%	20.6%
2012	4.1%	10.7%	20.9%
2013	5.0%	10.7%	21.1%
2014	5.0%	10.7%	21.4%
2015	4.2%	10.9%	21.7%
2016	3.4%	11.1%	22.1%
2017	4.1%	11.4%	22.6%
2018	4.2%	11.6%	23.1%
2019	4.2%	12.0%	23.6%
2020	5.0%	12.3%	24.2%
2021	5.1%	12.4%	24.6%
2022	6.6%	13.5%	26.0%
2023	7.3%	14.4%	27.1%
2024	7.3%	14.8%	27.9%
2025	6.6%	15.2%	28.5%
2026	7.4%	15.7%	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 Katlijk

				Largest group
8455 Jubbega	7.4%	605	+0.8 pp	Germany

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	Indonesia	Dutch Caribbean	Germany	Belgium	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
1998	580	550	30	25	0	0	5	20	0	5	0	0	0	25	0
1999	585	560	30	20	15	0	5	15	0	5	5	0	5	20	0
2000	590	565	25	20	5	0	0	15	0	5	0	0	5	20	5
2001	605	580	25	20	10	5	0	15	0	5	0	0	5	25	5
2002	625	595	30	20	5	5	0	15	0	5	0	0	0	25	5
2003	605	575	30	20	5	5	0	15	0	5	0	0	0	25	5
2004	625	595	25	20	5	5	5	15	0	5	0	0	0	25	5
2005	640	610	30	20	10	0	5	15	0	5	0	5	0	25	10
2006	635	610	25	15	20	5	0	15	0	0	5	0	10	25	5
2007	635	605	30	20	5	5	0	15	0	5	0	0	0	25	0
2008	640	605	30	15	15	5	5	15	0	0	0	0	5	20	10
2009	630	600	30	15	15	0	5	15	0	0	0	5	5	20	10
2010	615	590	25	15	5	5	0	10	0	5	0	0	5	20	5
2011	625	600	25	15	5	0	0	10	0	5	0	5	0	25	5
2012	610	585	25	15	10	5	0	15	5	0	0	0	10	20	5
2013	605	575	30	15	0	5	0	15	0	0	0	0	0	20	5
2014	600	570	30	15	10	5	0	10	0	5	0	0	5	20	5
2015	595	570	25	15	5	0	0	15	0	0	0	0	5	15	0
2016	595	575	20	15	10	5	0	5	0	10	0	0	5	20	0
2017	610	585	25	10	10	5	0	10	0	0	0	0	5	20	0
2018	590	565	25	15	10	5	0	10	0	5	0	0	5	20	5
2019	600	575	25	10	15	5	0	10	0	0	0	5	5	20	5
2020	600	570	30	10	15	10	0	5	5	0	0	0	10	25	5
2021	590	560	30	15	15	5	0	10	0	5	0	5	5	20	5
2022	605	565	40	15	25	10	5	10	0	0	0	10	5	20	5
2023	620	575	45	20	25	10	0	10	5	10	0	10	10	30	5
2024	615	570	45	20	25	5	5	10	0	5	5	5	5	–	–
2025	605	560	40	15	25	5	5	10	0	5	5	5	5	–	–
2026	605	560	45	20	25	5	5	10	0	10	0	5	5	–	–

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