Postcode · Middelaar, Limburg

Postcode 6587: Neighbourhood Katerbosch en Heikant

On 1 January 2026, postcode 6587 in Middelaar (Katerbosch en Heikant) had 860 residents. 13.4% of them (115 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Mook en Middelaar (17.5%) and lower than the national average (29.1%). The largest origin groups are Germany (4.7%), Indonesia (1.7%) and other Europe (1.7%). 43.5% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.4 percentage points.

Residents: 860 on 1 January 2026
Migration background: 13.4% 115 people
Born abroad: 43.5% of those with a migration background
Change since 2022: +2.4 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

87%

Dutch origin 86.6% 745
Migration background 13.4% 115

Largest origin groups

Bars show each group’s share of all residents of 6587. For comparison, the line marks Mook en Middelaar and the circle the Netherlands.

Germany

4.7% 40 people

Mook en Middelaar 3.5% Netherlands 1.9%
Indonesia

1.7% 15 people

Mook en Middelaar 2.0% Netherlands 1.9%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

1.7% 15 people

Mook en Middelaar 4.5% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

1.7% 15 people

Mook en Middelaar 3.1% Netherlands 5.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.2% 10 people

Mook en Middelaar 1.0% Netherlands 1.7%
Poland

0.58% 5 people

Mook en Middelaar 0.43% Netherlands 1.4%
Belgium

0.58% 5 people

Mook en Middelaar 0.67% Netherlands 0.76%
Other Africa Africa excluding Morocco

0.58% 5 people

Mook en Middelaar 0.92% Netherlands 2.3%
Turkey

0.0% 0 people

Mook en Middelaar 0.37% Netherlands 2.6%
Morocco

0.0% 0 people

Mook en Middelaar 0.24% Netherlands 2.4%
Suriname

0.0% 0 people

Mook en Middelaar 0.24% Netherlands 2.0%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.0% 0 people

Mook en Middelaar 0.43% Netherlands 1.1%

First and second generation

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

43% 52%

Born abroad (first generation) 43.5% 50
Born in the Netherlands (second generation) 52.2% 60

Men and women

Men: 445
Women: 415

Compared with all postcodes

Netherlands 29.1% 6587 13.4%

Higher than 35% of all postcodes in the Netherlands

Trend since 1998

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

Show

Measure % Residents

New CBS classification

13.4%

6587
Mook en Middelaar
Netherlands

Show as table

Year	6587	Mook en Middelaar	Netherlands
1998	7.3%	12.2%	16.7%
1999	7.3%	12.4%	17.1%
2000	7.2%	12.8%	17.5%
2001	6.6%	13.0%	18.0%
2002	7.7%	13.3%	18.4%
2003	8.2%	13.8%	18.8%
2004	8.2%	13.0%	19.0%
2005	8.6%	12.4%	19.2%
2006	8.7%	12.3%	19.3%
2007	8.3%	12.5%	19.4%
2008	8.4%	12.7%	19.6%
2009	8.4%	12.9%	19.9%
2010	7.9%	13.2%	20.3%
2011	8.1%	12.9%	20.6%
2012	8.8%	13.0%	20.9%
2013	8.7%	13.0%	21.1%
2014	8.7%	13.1%	21.4%
2015	9.7%	13.5%	21.7%
2016	9.4%	13.6%	22.1%
2017	9.2%	13.6%	22.6%
2018	9.2%	13.6%	23.1%
2019	9.9%	13.8%	23.6%
2020	9.1%	14.1%	24.2%
2021	9.8%	14.3%	24.6%
2022	11.0%	15.5%	26.0%
2023	13.1%	16.0%	27.1%
2024	12.6%	17.0%	27.9%
2025	13.3%	17.2%	28.5%
2026	13.4%	17.5%	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
5431 De Valuwe	30.8%	11,775	+0.8 pp	Turkey
6585 Mook	19.8%	3,235	+3.2 pp	Other Europe
6596 Bloemenstraat-Zwarteweg	12.2%	3,120	+0.5 pp	Germany
5435 Sint Agatha	11.7%	515	+1.4 pp	Germany
5433 Katwijk	15.7%	510	+4.2 pp	Other Europe
6586 Middelaar	13.8%	325	−0.2 pp	Indonesia

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	Poland	Belgium	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
1998	885	820	65	50	15	10	0	45	0	5	0	0	0	5	60	5
1999	895	830	65	50	20	5	0	45	0	0	5	5	5	5	60	5
2000	905	840	65	45	10	5	0	40	0	5	0	0	0	5	60	5
2001	910	850	60	45	15	5	0	45	0	5	0	0	5	5	55	5
2002	915	845	70	45	20	10	0	45	0	5	0	0	0	15	65	5
2003	915	850	75	50	15	10	0	45	0	0	5	0	0	5	60	15
2004	915	840	75	50	30	10	0	45	0	0	5	5	5	10	60	10
2005	930	855	80	55	25	10	0	50	0	0	5	5	0	10	65	15
2006	915	835	80	55	25	5	0	45	0	0	10	5	5	10	65	15
2007	900	825	75	55	20	10	0	45	0	5	5	0	0	10	70	10
2008	895	820	75	55	25	5	0	45	0	0	10	5	5	10	65	10
2009	890	820	75	55	20	5	0	45	0	0	10	5	0	10	65	10
2010	885	810	70	50	20	5	0	45	0	0	5	5	0	10	60	10
2011	865	795	70	55	20	5	0	40	5	0	10	0	5	10	60	10
2012	855	780	75	55	15	10	0	45	5	0	5	0	0	10	65	10
2013	860	790	75	50	20	5	0	45	0	0	5	0	0	15	65	10
2014	865	790	75	55	25	10	0	45	0	0	10	0	0	15	70	15
2015	875	790	85	55	25	10	5	45	0	0	10	0	5	5	65	15
2016	855	775	80	50	35	10	5	40	0	5	5	5	5	10	70	15
2017	870	790	80	55	25	15	0	40	0	0	15	5	0	5	65	15
2018	870	790	80	55	30	10	0	45	0	0	10	5	5	10	65	15
2019	860	775	85	55	30	15	5	40	0	0	15	5	0	5	65	15
2020	875	795	80	50	30	15	0	35	5	0	10	0	5	10	65	15
2021	870	785	85	50	35	15	5	35	5	5	5	5	5	5	70	20
2022	865	765	95	60	35	15	5	35	5	5	10	5	10	10	70	15
2023	875	765	115	60	50	15	5	35	5	5	15	10	15	15	75	20
2024	870	760	110	65	50	15	0	40	5	5	15	5	15	10	–	–
2025	865	750	115	70	50	15	0	40	5	5	20	5	15	15	–	–
2026	860	745	115	65	50	15	0	40	5	5	15	5	15	10	–	–

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