Postcode · Holtum, Limburg

Postcode 6123: Neighbourhood Born

On 1 January 2026, postcode 6123 in Holtum (Born) had 1,150 residents. 14.3% of them (165 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Sittard-Geleen (26.0%) and lower than the national average (29.1%). The largest origin groups are Germany (5.2%), Belgium (2.2%) and other Europe (1.7%). 39.4% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.4 percentage points.

Residents: 1,150 on 1 January 2026
Migration background: 14.3% 165 people
Born abroad: 39.4% of those with a migration background
Change since 2022: +1.4 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

86% 14%

Dutch origin 85.7% 985
Migration background 14.3% 165

Largest origin groups

Bars show each group’s share of all residents of 6123. For comparison, the line marks Sittard-Geleen and the circle the Netherlands.

Germany

5.2% 60 people

Sittard-Geleen 4.9% Netherlands 1.9%
Belgium

2.2% 25 people

Sittard-Geleen 2.0% Netherlands 0.76%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

1.7% 20 people

Sittard-Geleen 5.0% Netherlands 5.6%
Indonesia

1.3% 15 people

Sittard-Geleen 2.5% Netherlands 1.9%
Poland

0.87% 10 people

Sittard-Geleen 1.1% Netherlands 1.4%
Other Africa Africa excluding Morocco

0.87% 10 people

Sittard-Geleen 1.8% Netherlands 2.3%
Other Asia Asia excluding Indonesia and Turkey

0.87% 10 people

Sittard-Geleen 4.1% Netherlands 5.3%
Morocco

0.43% 5 people

Sittard-Geleen 1.9% Netherlands 2.4%
Suriname

0.43% 5 people

Sittard-Geleen 0.39% Netherlands 2.0%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.43% 5 people

Sittard-Geleen 0.94% Netherlands 1.7%
Turkey

0.0% 0 people

Sittard-Geleen 0.69% Netherlands 2.6%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.0% 0 people

Sittard-Geleen 0.61% Netherlands 1.1%

First and second generation

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

39% 64%

Born abroad (first generation) 39.4% 65
Born in the Netherlands (second generation) 63.6% 105

Men and women

Men: 570
Women: 580

Compared with all postcodes

Netherlands 29.1% 6123 14.3%

Higher than 39% 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

14.3%

6123
Sittard-Geleen
Netherlands

Show as table

Year	6123	Sittard-Geleen	Netherlands
1998	14.5%	21.2%	16.7%
1999	14.9%	21.3%	17.1%
2000	14.8%	21.4%	17.5%
2001	13.8%	21.4%	18.0%
2002	13.6%	21.5%	18.4%
2003	12.7%	21.5%	18.8%
2004	13.0%	21.5%	19.0%
2005	13.4%	21.5%	19.2%
2006	13.1%	21.5%	19.3%
2007	13.4%	21.2%	19.4%
2008	12.6%	21.3%	19.6%
2009	13.4%	21.3%	19.9%
2010	12.9%	21.2%	20.3%
2011	12.5%	21.2%	20.6%
2012	13.4%	21.3%	20.9%
2013	12.7%	21.2%	21.1%
2014	12.5%	21.2%	21.4%
2015	11.5%	21.3%	21.7%
2016	11.6%	21.6%	22.1%
2017	12.3%	21.8%	22.6%
2018	11.5%	21.9%	23.1%
2019	11.3%	22.2%	23.6%
2020	11.3%	22.4%	24.2%
2021	11.7%	22.5%	24.6%
2022	12.9%	23.3%	26.0%
2023	12.9%	24.1%	27.1%
2024	12.5%	25.0%	27.9%
2025	14.1%	25.4%	28.5%
2026	14.3%	26.0%	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
6114 Susteren	20.3%	7,915	+1.9 pp	Germany
6121 Holtum-Born	21.2%	6,060	+3.7 pp	Other Europe
6122 Holtum-Born	17.2%	1,980	−0.1 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	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	1,375	1,175	200	175	30	0	0	0	20	5	125	15	25	10	0	0	5	190	10
1999	1,375	1,170	205	175	30	0	0	5	20	5	120	15	25	15	0	0	0	190	10
2000	1,355	1,155	200	170	30	0	0	5	20	5	120	15	25	10	0	0	0	190	15
2001	1,340	1,155	185	160	35	0	0	5	20	5	110	15	20	15	5	0	0	175	10
2002	1,320	1,140	180	150	35	0	0	0	20	5	105	10	20	15	5	0	5	170	10
2003	1,300	1,130	165	145	25	0	5	5	20	5	100	10	20	15	0	0	0	160	5
2004	1,310	1,135	170	140	35	0	0	0	15	0	105	5	25	5	10	5	5	155	10
2005	1,270	1,100	170	135	35	0	0	0	20	0	100	5	20	10	10	0	5	155	15
2006	1,255	1,090	165	130	40	0	0	0	20	0	95	10	20	5	10	5	5	150	15
2007	1,235	1,070	165	125	35	0	0	0	20	5	95	5	20	5	10	0	0	145	15
2008	1,235	1,085	155	125	35	0	0	0	15	0	90	5	20	10	10	5	5	140	15
2009	1,235	1,075	165	125	30	5	0	0	20	0	95	5	20	5	5	0	0	150	10
2010	1,245	1,085	160	125	40	5	0	0	15	0	90	10	20	5	10	5	5	150	15
2011	1,240	1,080	155	125	35	0	0	5	15	0	85	5	25	10	10	5	0	140	20
2012	1,230	1,070	165	125	35	0	0	0	20	0	90	10	20	5	10	0	5	150	15
2013	1,220	1,070	155	125	30	0	0	0	20	0	85	10	20	10	5	0	5	140	15
2014	1,200	1,050	150	115	35	5	0	0	20	0	80	10	20	5	10	0	5	135	15
2015	1,170	1,035	135	115	25	0	0	5	15	0	75	5	20	15	5	0	0	125	10
2016	1,165	1,030	135	110	30	0	0	0	20	5	75	5	20	10	5	0	0	130	10
2017	1,180	1,035	145	115	25	0	5	0	15	0	75	10	20	10	0	5	0	130	10
2018	1,170	1,035	135	115	25	0	0	0	15	5	70	10	20	15	5	0	0	125	15
2019	1,155	1,025	130	105	25	0	0	5	15	5	70	5	20	10	5	0	0	120	15
2020	1,155	1,025	130	100	35	0	5	0	15	0	65	10	15	10	5	5	5	115	15
2021	1,155	1,020	135	100	40	5	5	0	15	0	65	10	20	5	0	5	10	120	20
2022	1,160	1,010	150	115	35	0	5	5	15	5	65	10	20	15	5	5	0	125	20
2023	1,125	980	145	110	35	0	5	0	15	0	65	10	25	10	5	5	5	120	20
2024	1,120	975	140	105	35	0	5	0	15	0	60	10	20	15	5	5	0	–	–
2025	1,135	975	160	110	45	0	5	5	15	5	60	10	25	20	5	10	0	–	–
2026	1,150	985	165	115	55	0	5	5	15	0	60	10	25	20	10	10	5	–	–

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