Postcode · Maassluis, South Holland

Postcode 3145: Neighbourhood Burgemeesterswijk

On 1 January 2026, postcode 3145 in Maassluis (Burgemeesterswijk) had 6,490 residents. 31.7% of them (2,055 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 higher than the national average (29.1%). The largest origin groups are Morocco (6.6%), Turkey (5.9%) and other Asia (3.9%). 48.4% of residents with a migration background were born abroad themselves. Since 2022 the share has fallen by 1.5 percentage points.

Residents: 6,490 on 1 January 2026
Migration background: 31.7% 2,055 people
Born abroad: 48.4% of those with a migration background
Change since 2022: −1.5 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

68% 32%

Dutch origin 68.3% 4,430
Migration background 31.7% 2,055

Largest origin groups

Bars show each group’s share of all residents of 3145. For comparison, the line marks Maassluis and the circle the Netherlands.

Morocco

6.6% 430 people

Maassluis 4.6% Netherlands 2.4%
Turkey

5.9% 380 people

Maassluis 6.2% Netherlands 2.6%
Other Asia Asia excluding Indonesia and Turkey

3.9% 255 people

Maassluis 5.0% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

3.4% 220 people

Maassluis 3.8% Netherlands 5.6%
Poland

2.5% 160 people

Maassluis 2.6% Netherlands 1.4%
Indonesia

2.1% 135 people

Maassluis 1.6% Netherlands 1.9%
Suriname

1.7% 110 people

Maassluis 2.2% Netherlands 2.0%
Germany

1.6% 105 people

Maassluis 1.2% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

1.3% 85 people

Maassluis 2.3% Netherlands 1.1%
Other Africa Africa excluding Morocco

1.1% 70 people

Maassluis 1.8% Netherlands 2.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.1% 70 people

Maassluis 1.2% Netherlands 1.7%
Belgium

0.62% 40 people

Maassluis 0.46% Netherlands 0.76%

First and second generation

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

48% 52%

Born abroad (first generation) 48.4% 995
Born in the Netherlands (second generation) 51.6% 1,060

Men and women

Men: 3,155
Women: 3,330

Compared with all postcodes

Netherlands 29.1% 3145 31.7%

Higher than 77% 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

31.7%

3145
Maassluis
Netherlands

Show as table

Year	3145	Maassluis	Netherlands
1998	28.0%	19.8%	16.7%
1999	29.5%	20.3%	17.1%
2000	31.0%	20.8%	17.5%
2001	32.7%	21.4%	18.0%
2002	33.4%	21.8%	18.4%
2003	34.2%	22.1%	18.8%
2004	34.3%	22.4%	19.0%
2005	35.0%	22.7%	19.2%
2006	33.9%	22.8%	19.3%
2007	33.4%	23.0%	19.4%
2008	32.1%	23.0%	19.6%
2009	30.7%	23.3%	19.9%
2010	31.1%	23.7%	20.3%
2011	30.1%	24.3%	20.6%
2012	29.8%	24.6%	20.9%
2013	29.5%	25.0%	21.1%
2014	29.7%	25.6%	21.4%
2015	29.8%	26.1%	21.7%
2016	29.7%	26.3%	22.1%
2017	30.0%	26.9%	22.6%
2018	30.6%	27.3%	23.1%
2019	31.2%	27.8%	23.6%
2020	31.8%	28.6%	24.2%
2021	31.4%	29.0%	24.6%
2022	33.1%	30.1%	26.0%
2023	33.5%	31.3%	27.1%
2024	33.7%	31.8%	27.9%
2025	33.6%	32.5%	28.5%
2026	31.7%	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
3181 Rozenburg (Rotterdam)	30.8%	12,620	+5.0 pp	Other Europe
3144 Kapelpolder	33.7%	7,705	+3.7 pp	Turkey
3146 Steendijkpolder	24.4%	4,820	+3.7 pp	Poland
3147 Wilgenrijk	29.7%	2,325	+15.5 pp	Morocco

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	7,240	5,220	2,025	320	1,695	240	575	215	210	60	120	5	30	165	90	260	45	545	1,475
1999	7,300	5,150	2,155	340	1,805	275	600	205	215	55	115	10	30	185	100	310	45	570	1,585
2000	7,435	5,130	2,305	360	1,940	325	645	200	205	70	105	15	30	210	105	345	45	580	1,730
2001	7,430	4,995	2,430	350	2,080	385	670	200	205	115	115	15	25	195	105	355	45	570	1,860
2002	7,365	4,905	2,460	340	2,120	400	690	195	185	155	110	15	25	190	80	365	50	540	1,925
2003	7,115	4,690	2,430	320	2,110	395	690	185	175	165	105	15	25	175	80	375	45	510	1,920
2004	6,865	4,515	2,355	335	2,025	365	665	175	165	160	115	25	25	170	70	370	55	515	1,845
2005	6,600	4,290	2,310	320	1,980	360	670	170	150	140	120	20	25	155	60	395	35	485	1,830
2006	6,220	4,105	2,110	290	1,820	345	665	135	140	85	115	25	25	125	60	360	30	450	1,665
2007	5,990	3,990	2,000	280	1,725	345	630	115	135	90	115	30	25	110	50	330	30	430	1,570
2008	6,155	4,185	1,975	280	1,695	370	590	120	135	105	120	25	20	115	35	310	30	430	1,545
2009	6,155	4,265	1,890	285	1,600	385	550	100	135	75	125	35	25	100	40	280	35	445	1,450
2010	6,185	4,270	1,925	275	1,640	380	555	115	145	85	115	35	20	105	45	285	30	440	1,485
2011	6,275	4,390	1,890	295	1,600	365	510	130	145	75	115	40	25	115	55	290	30	450	1,445
2012	6,195	4,345	1,845	290	1,550	375	490	130	135	65	115	40	25	110	50	265	40	445	1,405
2013	6,200	4,365	1,830	335	1,495	380	430	125	140	70	120	65	30	120	55	255	40	480	1,350
2014	6,155	4,325	1,830	330	1,500	390	435	130	135	60	110	85	25	110	45	255	50	485	1,345
2015	6,385	4,480	1,905	370	1,540	395	435	135	135	85	120	95	30	125	55	250	50	530	1,380
2016	6,555	4,605	1,950	400	1,545	385	435	140	145	95	115	110	30	145	65	240	40	560	1,390
2017	6,630	4,640	1,990	400	1,590	380	455	150	140	90	115	110	30	145	70	260	45	555	1,435
2018	6,735	4,675	2,060	415	1,645	395	460	150	150	85	115	125	30	145	75	290	40	580	1,480
2019	6,705	4,610	2,095	430	1,660	405	460	145	140	95	120	130	30	150	80	295	40	590	1,505
2020	6,845	4,670	2,175	465	1,710	415	475	135	140	105	115	150	25	175	75	310	55	625	1,550
2021	6,980	4,785	2,195	470	1,725	395	480	140	140	105	115	150	30	175	85	325	55	640	1,560
2022	6,955	4,650	2,305	500	1,800	405	490	150	150	115	120	155	30	200	95	335	65	655	1,595
2023	6,960	4,635	2,330	505	1,820	405	505	135	150	125	115	155	30	205	100	345	70	650	1,620
2024	6,830	4,525	2,305	530	1,775	395	495	130	140	115	110	155	30	230	95	340	65	–	–
2025	6,720	4,465	2,255	530	1,725	395	500	130	135	100	110	165	35	220	85	315	65	–	–
2026	6,490	4,430	2,055	525	1,530	380	430	110	135	85	105	160	40	220	70	255	70	–	–

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