Postcode · Maassluis, South Holland

Postcode 3147: Neighbourhood Wilgenrijk

On 1 January 2026, postcode 3147 in Maassluis (Wilgenrijk) had 2,325 residents. 29.7% of them (690 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Maassluis (33.2%) and about the same as the national average (29.1%). The largest origin groups are Morocco (7.5%), Turkey (6.0%) and other Europe (3.2%). 33.3% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 15.5 percentage points.

Residents: 2,325 on 1 January 2026
Migration background: 29.7% 690 people
Born abroad: 33.3% of those with a migration background
Change since 2022: +15.5 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

70% 30%

Dutch origin 70.3% 1,635
Migration background 29.7% 690

Largest origin groups

Bars show each group’s share of all residents of 3147. For comparison, the line marks Maassluis and the circle the Netherlands.

Morocco

7.5% 175 people

Maassluis 4.6% Netherlands 2.4%
Turkey

6.0% 140 people

Maassluis 6.2% Netherlands 2.6%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

3.2% 75 people

Maassluis 3.8% Netherlands 5.6%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

2.4% 55 people

Maassluis 2.3% Netherlands 1.1%
Other Asia Asia excluding Indonesia and Turkey

2.4% 55 people

Maassluis 5.0% Netherlands 5.3%
Suriname

2.2% 50 people

Maassluis 2.2% Netherlands 2.0%
Other Africa Africa excluding Morocco

1.7% 40 people

Maassluis 1.8% Netherlands 2.3%
Indonesia

1.3% 30 people

Maassluis 1.6% Netherlands 1.9%
Germany

1.3% 30 people

Maassluis 1.2% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.86% 20 people

Maassluis 1.2% Netherlands 1.7%
Poland

0.65% 15 people

Maassluis 2.6% Netherlands 1.4%
Belgium

0.22% 5 people

Maassluis 0.46% Netherlands 0.76%

First and second generation

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

33% 67%

Born abroad (first generation) 33.3% 230
Born in the Netherlands (second generation) 66.7% 460

Men and women

Men: 1,155
Women: 1,170

Compared with all postcodes

Netherlands 29.1% 3147 29.7%

Higher than 75% 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

29.7%

3147
Maassluis
Netherlands

Show as table

Year	3147	Maassluis	Netherlands
1998	–	19.8%	16.7%
1999	–	20.3%	17.1%
2000	–	20.8%	17.5%
2001	–	21.4%	18.0%
2002	–	21.8%	18.4%
2003	–	22.1%	18.8%
2004	4.3%	22.4%	19.0%
2005	4.5%	22.7%	19.2%
2006	4.8%	22.8%	19.3%
2007	9.5%	23.0%	19.4%
2008	12.5%	23.0%	19.6%
2009	9.1%	23.3%	19.9%
2010	9.1%	23.7%	20.3%
2011	13.6%	24.3%	20.6%
2012	9.5%	24.6%	20.9%
2013	14.3%	25.0%	21.1%
2014	10.0%	25.6%	21.4%
2015	10.5%	26.1%	21.7%
2016	5.6%	26.3%	22.1%
2017	4.5%	26.9%	22.6%
2018	6.1%	27.3%	23.1%
2019	9.5%	27.8%	23.6%
2020	10.9%	28.6%	24.2%
2021	13.6%	29.0%	24.6%
2022	14.2%	30.1%	26.0%
2023	19.8%	31.3%	27.1%
2024	21.1%	31.8%	27.9%
2025	23.2%	32.5%	28.5%
2026	29.7%	33.2%	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
3144 Kapelpolder	33.7%	7,705	+3.7 pp	Turkey
3155 Maasland	15.1%	6,700	+2.6 pp	Other Europe
3145 Burgemeesterswijk	31.7%	6,490	−1.5 pp	Morocco
3142 Dijkpolder	39.1%	5,970	+7.9 pp	Other Asia
3146 Steendijkpolder	24.4%	4,820	+3.7 pp	Poland
2676 Maasdijk	22.4%	4,650	+4.7 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
2004	115	105	5	5	5	0	0	0	0	0	5	0	0	0	5	0	0	0	5
2005	110	105	5	5	5	0	0	0	0	0	0	0	0	5	5	0	0	0	5
2006	105	100	5	5	0	0	0	0	0	0	5	0	0	0	0	0	0	0	5
2007	105	95	10	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	5
2008	120	110	15	0	10	0	0	10	0	5	5	0	0	0	0	0	0	0	10
2009	110	100	10	5	5	0	0	5	0	5	0	0	0	5	0	0	0	0	10
2010	110	100	10	5	5	0	0	10	0	0	0	0	0	5	0	0	0	5	10
2011	110	100	15	0	10	0	0	5	0	5	0	0	0	0	0	0	0	0	5
2012	105	95	10	5	5	0	0	5	0	5	0	0	0	5	0	0	0	0	10
2013	105	95	15	5	10	0	0	10	0	0	0	0	0	5	5	0	0	5	10
2014	100	90	10	0	10	0	0	5	0	5	0	0	0	0	0	0	0	0	10
2015	95	85	10	5	5	0	0	5	0	0	0	0	0	5	0	0	0	0	5
2016	90	85	5	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
2017	110	105	5	0	5	0	0	0	0	0	5	0	0	0	0	5	0	5	0
2018	165	155	10	5	5	0	0	5	0	0	5	0	0	0	0	0	0	5	5
2019	370	335	35	15	20	5	5	10	0	0	5	0	0	10	0	0	0	20	20
2020	460	410	50	20	35	10	5	5	5	5	5	0	0	15	5	0	0	25	25
2021	590	510	80	25	55	25	5	10	5	0	10	5	0	10	5	0	5	35	45
2022	1,060	905	150	50	100	30	20	15	10	5	15	5	0	25	5	10	5	60	85
2023	1,440	1,155	285	80	205	60	35	25	15	25	25	10	5	45	5	20	15	100	180
2024	1,730	1,365	365	80	280	70	60	35	25	30	25	15	5	40	20	20	15	–	–
2025	1,915	1,475	445	105	340	85	70	40	30	35	25	20	5	55	25	35	15	–	–
2026	2,325	1,635	690	125	565	140	175	50	30	55	30	15	5	75	40	55	20	–	–

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