Postcode · Maarssen, Utrecht

Postcode 3603: Neighbourhood Centrum ten zuiden van de Vecht

On 1 January 2026, postcode 3603 in Maarssen (Centrum ten zuiden van de Vecht) had 2,670 residents. 17.0% of them (455 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Maarssen (27.0%) and lower than the national average (29.1%). The largest origin groups are other Europe (3.6%), Indonesia (2.6%) and other Asia (2.1%). 46.2% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.7 percentage points.

Residents: 2,670 on 1 January 2026
Migration background: 17.0% 455 people
Born abroad: 46.2% of those with a migration background
Change since 2022: +1.7 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

83% 17%

Dutch origin 83.0% 2,215
Migration background 17.0% 455

Largest origin groups

Bars show each group’s share of all residents of 3603. For comparison, the line marks Maarssen and the circle the Netherlands.

Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

3.6% 95 people

Maarssen 5.0% Netherlands 5.6%
Indonesia

2.6% 70 people

Maarssen 2.3% Netherlands 1.9%
Other Asia Asia excluding Indonesia and Turkey

2.1% 55 people

Maarssen 6.0% Netherlands 5.3%
Germany

1.9% 50 people

Maarssen 1.5% Netherlands 1.9%
Other Africa Africa excluding Morocco

1.9% 50 people

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

1.3% 35 people

Maarssen 1.5% Netherlands 1.7%
Suriname

0.94% 25 people

Maarssen 2.4% Netherlands 2.0%
Belgium

0.94% 25 people

Maarssen 0.48% Netherlands 0.76%
Turkey

0.56% 15 people

Maarssen 1.5% Netherlands 2.6%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.56% 15 people

Maarssen 0.83% Netherlands 1.1%
Poland

0.56% 15 people

Maarssen 0.69% Netherlands 1.4%
Morocco

0.37% 10 people

Maarssen 2.8% Netherlands 2.4%

First and second generation

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

46% 54%

Born abroad (first generation) 46.2% 210
Born in the Netherlands (second generation) 53.8% 245

Men and women

Men: 1,330
Women: 1,340

Compared with all postcodes

Netherlands 29.1% 3603 17.0%

Higher than 48% 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

17.0%

3603
Maarssen
Netherlands

Show as table

Year	3603	Maarssen	Netherlands
1998	10.6%	16.3%	16.7%
1999	10.3%	16.7%	17.1%
2000	10.2%	16.8%	17.5%
2001	10.2%	17.1%	18.0%
2002	10.5%	17.2%	18.4%
2003	10.8%	17.4%	18.8%
2004	11.3%	17.8%	19.0%
2005	11.3%	17.8%	19.2%
2006	11.1%	17.9%	19.3%
2007	11.5%	18.1%	19.4%
2008	10.8%	18.2%	19.6%
2009	11.6%	18.5%	19.9%
2010	11.7%	18.5%	20.3%
2011	11.2%	18.7%	20.6%
2012	11.4%	18.7%	20.9%
2013	12.2%	19.2%	21.1%
2014	12.6%	19.3%	21.4%
2015	12.7%	19.5%	21.7%
2016	13.1%	19.7%	22.1%
2017	13.3%	20.0%	22.6%
2018	13.8%	20.3%	23.1%
2019	14.0%	20.7%	23.6%
2020	13.7%	21.4%	24.2%
2021	13.7%	21.9%	24.6%
2022	15.3%	23.4%	26.0%
2023	16.4%	24.8%	27.1%
2024	16.5%	25.8%	27.9%
2025	17.2%	26.4%	28.5%
2026	17.0%	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
3607 Maarssenbroek	28.0%	13,610	+2.8 pp	Other Asia
3621 Midden, Noord	22.0%	10,780	+2.6 pp	Other Asia
3601 Lanenkwartier, Staatsliedenbuurt	21.9%	7,390	+4.2 pp	Other Europe
3605 Maarssenbroek	37.8%	5,745	+1.5 pp	Other Asia
3602 Maarsseveen, Zandweg-Oostwaard	14.8%	3,415	+2.1 pp	Other Europe
3604 Op Buuren, Friezenbuurt	19.5%	2,540	+3.4 pp	Other Europe
3606 Maarssenbroek	77.0%	870	+27.5 pp	Other Asia

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	2,075	1,855	220	105	115	10	5	5	65	5	50	5	25	25	5	5	15	180	40
1999	2,095	1,880	215	105	110	10	5	5	60	5	50	5	25	25	5	10	10	180	40
2000	2,050	1,845	210	100	105	5	10	5	60	5	45	5	20	30	5	10	5	165	45
2001	2,005	1,800	205	95	105	5	10	10	60	5	45	5	20	25	0	10	5	165	45
2002	1,995	1,790	210	95	115	5	10	5	65	5	45	0	15	35	0	10	15	165	40
2003	1,945	1,735	210	85	120	10	5	5	65	5	40	5	15	25	5	10	15	165	40
2004	1,955	1,735	220	80	140	10	10	15	65	5	35	5	10	30	0	10	25	160	60
2005	1,955	1,740	220	80	140	10	5	15	65	5	30	0	10	40	10	15	15	160	55
2006	1,945	1,725	215	95	130	5	10	15	65	0	30	5	15	45	5	15	15	165	45
2007	1,995	1,765	230	95	125	10	5	15	65	5	30	10	10	45	5	10	10	180	50
2008	2,030	1,810	220	100	120	5	0	15	60	5	30	10	15	45	10	15	10	170	45
2009	2,320	2,055	270	110	160	10	10	20	65	10	35	5	10	60	10	25	10	185	75
2010	2,360	2,090	275	115	160	5	10	20	65	5	30	10	15	60	15	25	15	190	85
2011	2,360	2,090	265	110	155	10	10	20	65	5	30	15	15	50	15	20	10	185	80
2012	2,370	2,095	270	105	175	10	10	20	65	0	35	10	15	45	20	25	25	185	90
2013	2,380	2,090	290	115	175	5	10	20	65	10	35	15	15	50	25	25	15	195	90
2014	2,380	2,080	300	120	180	5	10	20	65	10	35	15	15	55	30	30	10	200	100
2015	2,405	2,100	305	125	180	10	10	15	65	10	35	25	15	50	25	25	20	205	95
2016	2,440	2,120	320	145	175	5	10	15	65	5	35	20	15	75	30	25	20	225	90
2017	2,480	2,150	330	155	170	5	10	20	65	5	40	10	15	90	25	20	20	230	95
2018	2,460	2,120	340	160	185	5	10	20	70	5	35	15	20	90	35	20	20	240	100
2019	2,505	2,155	350	160	185	5	10	15	75	10	35	15	20	90	25	25	20	250	100
2020	2,555	2,205	350	160	190	10	10	15	65	5	35	15	30	80	25	35	25	245	105
2021	2,700	2,330	370	170	200	10	5	20	70	10	35	20	25	90	35	35	15	250	120
2022	2,675	2,265	410	170	235	15	10	20	75	15	45	15	30	85	35	50	20	245	115
2023	2,680	2,245	440	175	260	10	10	20	75	10	45	15	30	85	40	60	35	250	135
2024	2,665	2,225	440	180	260	10	10	20	75	15	45	15	35	85	40	55	35	–	–
2025	2,700	2,240	465	195	265	10	10	25	75	15	45	20	30	100	40	55	35	–	–
2026	2,670	2,215	455	185	270	15	10	25	70	15	50	15	25	95	50	55	35	–	–

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