Postcode · Maarssen, Utrecht

Postcode 3607: Neighbourhood Maarssenbroek

On 1 January 2026, postcode 3607 in Maarssen (Maarssenbroek) had 13,610 residents. 28.0% of them (3,810 people) have a migration background: they were born abroad or have at least one parent who was. That is higher than Maarssen (27.0%) and lower than the national average (29.1%). The largest origin groups are other Asia (6.6%), other Europe (4.8%) and Morocco (2.9%). 52.1% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.8 percentage points.

Residents: 13,610 on 1 January 2026
Migration background: 28.0% 3,810 people
Born abroad: 52.1% of those with a migration background
Change since 2022: +2.8 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

72% 28%

Dutch origin 72.0% 9,800
Migration background 28.0% 3,810

Largest origin groups

Bars show each group’s share of all residents of 3607. For comparison, the line marks Maarssen and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

6.6% 900 people

Maarssen 6.0% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

4.8% 655 people

Maarssen 5.0% Netherlands 5.6%
Morocco

2.9% 400 people

Maarssen 2.8% Netherlands 2.4%
Suriname

2.8% 375 people

Maarssen 2.4% Netherlands 2.0%
Indonesia

2.4% 325 people

Maarssen 2.3% Netherlands 1.9%
Turkey

1.9% 255 people

Maarssen 1.5% Netherlands 2.6%
Other Africa Africa excluding Morocco

1.6% 220 people

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

1.6% 220 people

Maarssen 1.5% Netherlands 1.7%
Germany

1.3% 180 people

Maarssen 1.5% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.77% 105 people

Maarssen 0.83% Netherlands 1.1%
Poland

0.70% 95 people

Maarssen 0.69% Netherlands 1.4%
Belgium

0.55% 75 people

Maarssen 0.48% Netherlands 0.76%

First and second generation

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

52% 48%

Born abroad (first generation) 52.1% 1,985
Born in the Netherlands (second generation) 47.9% 1,825

Men and women

Men: 6,695
Women: 6,915

Compared with all postcodes

Netherlands 29.1% 3607 28.0%

Higher than 72% 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

28.0%

3607
Maarssen
Netherlands

Show as table

Year	3607	Maarssen	Netherlands
1998	16.9%	16.3%	16.7%
1999	17.5%	16.7%	17.1%
2000	17.5%	16.8%	17.5%
2001	18.0%	17.1%	18.0%
2002	18.1%	17.2%	18.4%
2003	18.3%	17.4%	18.8%
2004	18.9%	17.8%	19.0%
2005	18.9%	17.8%	19.2%
2006	19.0%	17.9%	19.3%
2007	19.2%	18.1%	19.4%
2008	19.4%	18.2%	19.6%
2009	20.0%	18.5%	19.9%
2010	20.1%	18.5%	20.3%
2011	20.5%	18.7%	20.6%
2012	20.7%	18.7%	20.9%
2013	21.1%	19.2%	21.1%
2014	21.4%	19.3%	21.4%
2015	21.5%	19.5%	21.7%
2016	21.8%	19.7%	22.1%
2017	22.1%	20.0%	22.6%
2018	22.5%	20.3%	23.1%
2019	23.1%	20.7%	23.6%
2020	23.6%	21.4%	24.2%
2021	23.9%	21.9%	24.6%
2022	25.2%	23.4%	26.0%
2023	25.9%	24.8%	27.1%
2024	26.7%	25.8%	27.9%
2025	27.2%	26.4%	28.5%
2026	28.0%	27.0%	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
3621 Midden, Noord	22.0%	10,780	+2.6 pp	Other Asia
3605 Maarssenbroek	37.8%	5,745	+1.5 pp	Other Asia
3608 Maarssenbroek	28.6%	3,590	+3.4 pp	Other Asia
3603 Centrum ten zuiden van de Vecht	17.0%	2,670	+1.7 pp	Other Europe
3455 Vleuten-De Meern	16.3%	520	+4.0 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
1998	15,715	13,060	2,655	770	1,880	55	120	610	605	115	265	30	75	400	70	220	85	1,445	1,210
1999	15,620	12,885	2,735	785	1,945	50	135	635	600	120	265	35	70	415	75	245	85	1,445	1,290
2000	15,625	12,895	2,735	775	1,955	55	135	620	605	120	255	30	70	420	80	245	95	1,450	1,285
2001	15,510	12,720	2,790	790	1,995	60	150	620	595	115	255	35	75	425	90	280	85	1,445	1,340
2002	15,295	12,530	2,765	805	1,965	65	165	605	575	110	250	30	80	445	90	260	95	1,435	1,335
2003	15,200	12,415	2,785	790	1,995	70	170	595	565	110	240	30	85	435	110	275	100	1,420	1,365
2004	15,030	12,195	2,835	805	2,030	75	190	585	565	120	245	30	90	440	100	290	105	1,425	1,405
2005	14,800	12,010	2,790	790	1,995	85	190	580	550	110	235	35	85	435	100	285	95	1,400	1,385
2006	14,575	11,805	2,775	790	1,990	90	195	560	515	115	235	40	80	435	110	290	115	1,360	1,410
2007	14,355	11,595	2,760	815	1,940	100	185	540	490	105	235	45	80	455	105	295	120	1,365	1,395
2008	14,330	11,545	2,785	830	1,955	105	200	520	470	100	230	50	75	475	115	320	125	1,365	1,420
2009	14,310	11,445	2,865	860	1,995	105	210	530	470	100	230	50	80	500	105	345	130	1,395	1,470
2010	14,125	11,290	2,835	870	1,955	110	215	520	460	95	230	65	75	500	100	325	130	1,400	1,435
2011	14,080	11,195	2,885	890	1,985	120	220	515	450	90	230	65	80	515	105	355	130	1,410	1,475
2012	14,015	11,120	2,900	920	1,985	115	240	490	445	90	235	90	75	520	105	355	145	1,425	1,475
2013	13,985	11,030	2,950	945	2,010	115	250	495	435	85	225	100	70	550	115	380	135	1,440	1,510
2014	13,930	10,950	2,980	945	2,035	115	275	470	430	90	220	100	75	550	110	400	145	1,435	1,545
2015	13,850	10,870	2,980	955	2,025	115	275	475	425	90	215	105	70	565	110	400	135	1,430	1,550
2016	13,790	10,780	3,010	950	2,060	110	285	470	430	95	215	105	65	565	120	415	135	1,430	1,580
2017	13,810	10,755	3,055	965	2,095	130	305	455	410	100	210	125	65	565	125	435	135	1,430	1,630
2018	13,740	10,655	3,085	975	2,110	130	305	440	420	90	190	135	70	580	115	475	135	1,440	1,645
2019	13,660	10,510	3,150	1,000	2,155	150	295	425	410	90	195	140	70	595	120	505	160	1,465	1,690
2020	13,655	10,430	3,225	1,030	2,195	155	305	430	390	90	190	135	75	630	130	545	150	1,475	1,745
2021	13,655	10,385	3,270	1,035	2,235	170	325	410	385	90	175	130	80	650	135	560	160	1,470	1,800
2022	13,640	10,200	3,440	1,000	2,445	180	340	395	380	95	190	125	80	610	170	685	195	1,470	1,895
2023	13,570	10,060	3,510	1,000	2,505	195	335	390	365	105	180	120	80	620	180	735	200	1,450	1,975
2024	13,595	9,975	3,625	995	2,630	210	370	395	355	100	190	115	80	610	210	775	210	–	–
2025	13,645	9,940	3,705	995	2,710	235	390	395	345	105	180	105	75	635	205	830	205	–	–
2026	13,610	9,800	3,810	1,005	2,805	255	400	375	325	105	180	95	75	655	220	900	220	–	–

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