Postcode · Utrecht, Utrecht

Postcode 3545: Neighbourhood Leidsche Rijn

On 1 January 2026, postcode 3545 in Utrecht (Leidsche Rijn) had 3,065 residents. 44.5% of them (1,365 people) have a migration background: they were born abroad or have at least one parent who was. That is higher than Utrecht (43.1%) and higher than the national average (29.1%). The largest origin groups are Morocco (14.0%), other Asia (7.7%) and Turkey (6.9%). 40.7% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.2 percentage points.

Residents: 3,065 on 1 January 2026
Migration background: 44.5% 1,365 people
Born abroad: 40.7% of those with a migration background
Change since 2022: +2.2 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

55% 45%

Dutch origin 55.5% 1,700
Migration background 44.5% 1,365

Largest origin groups

Bars show each group’s share of all residents of 3545. For comparison, the line marks Utrecht and the circle the Netherlands.

Morocco

14.0% 430 people

Utrecht 9.0% Netherlands 2.4%
Other Asia Asia excluding Indonesia and Turkey

7.7% 235 people

Utrecht 7.3% Netherlands 5.3%
Turkey

6.9% 210 people

Utrecht 4.3% Netherlands 2.6%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

4.6% 140 people

Utrecht 8.6% Netherlands 5.6%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

2.6% 80 people

Utrecht 3.0% Netherlands 1.7%
Suriname

2.3% 70 people

Utrecht 2.0% Netherlands 2.0%
Other Africa Africa excluding Morocco

1.8% 55 people

Utrecht 3.0% Netherlands 2.3%
Indonesia

1.6% 50 people

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

1.3% 40 people

Utrecht 0.88% Netherlands 1.1%
Germany

1.0% 30 people

Utrecht 1.8% Netherlands 1.9%
Poland

0.33% 10 people

Utrecht 0.52% Netherlands 1.4%
Belgium

0.33% 10 people

Utrecht 0.71% Netherlands 0.76%

First and second generation

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

41% 60%

Born abroad (first generation) 40.7% 555
Born in the Netherlands (second generation) 59.7% 815

Men and women

Men: 1,520
Women: 1,545

Compared with all postcodes

Netherlands 29.1% 3545 44.5%

Higher than 89% 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

44.5%

3545
Utrecht
Netherlands

Show as table

Year	3545	Utrecht	Netherlands
1998	9.4%	28.6%	16.7%
1999	12.1%	29.1%	17.1%
2000	10.7%	29.8%	17.5%
2001	12.5%	30.5%	18.0%
2002	11.4%	31.1%	18.4%
2003	38.6%	31.6%	18.8%
2004	52.6%	31.9%	19.0%
2005	39.7%	32.2%	19.2%
2006	41.9%	32.4%	19.3%
2007	11.1%	32.6%	19.4%
2008	13.3%	32.7%	19.6%
2009	17.2%	33.2%	19.9%
2010	14.8%	33.4%	20.3%
2011	16.7%	33.7%	20.6%
2012	16.7%	33.9%	20.9%
2013	12.9%	34.0%	21.1%
2014	16.1%	34.0%	21.4%
2015	12.9%	34.2%	21.7%
2016	15.2%	34.7%	22.1%
2017	17.6%	35.6%	22.6%
2018	19.4%	36.3%	23.1%
2019	16.2%	37.0%	23.6%
2020	42.5%	37.9%	24.2%
2021	43.5%	38.1%	24.6%
2022	42.4%	40.0%	26.0%
2023	42.7%	41.4%	27.1%
2024	41.3%	41.9%	27.9%
2025	44.1%	42.5%	28.5%
2026	44.5%	43.1%	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
3544 Leidsche Rijn	45.9%	23,730	+3.0 pp	Other Asia
3437 Batau Noord, Galecop	31.7%	13,445	+4.5 pp	Other Asia
3454 Vleuten-De Meern	23.9%	13,315	+3.9 pp	Other Europe
3541 Leidsche Rijn	46.1%	13,260	+1.6 pp	Morocco
3438 Zuilenstein	34.0%	10,170	+4.7 pp	Other Asia
3545 Leidsche Rijn	44.5%	3,065	+2.2 pp	Morocco
3546 Vleuten-De Meern	13.0%	230	+1.4 pp	Turkey
3528 Leidsche Rijn	66.7%	15	+16.7 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
1998	265	235	25	10	20	0	5	0	5	0	0	0	5	5	0	5	5	20	10
1999	290	250	35	15	20	0	5	0	10	5	0	0	10	5	0	0	0	30	10
2000	280	245	30	15	10	0	5	0	5	0	0	0	5	10	0	0	0	20	10
2001	240	215	30	5	15	0	5	0	5	0	0	0	5	0	0	0	5	15	10
2002	220	200	25	10	15	0	0	5	5	0	5	0	0	5	0	5	0	15	5
2003	220	130	85	70	20	0	0	0	5	5	0	0	0	70	0	10	0	85	5
2004	285	135	150	90	65	0	0	0	5	0	5	0	0	85	15	25	20	105	45
2005	290	175	115	45	75	5	5	5	15	10	5	0	0	40	15	5	15	65	50
2006	310	180	130	65	60	0	0	10	10	5	10	5	0	50	15	10	10	75	50
2007	135	125	15	5	5	0	0	0	5	0	0	0	0	5	0	0	5	10	5
2008	150	125	20	10	15	0	0	0	5	0	5	0	0	5	5	0	10	15	5
2009	145	120	25	10	15	0	0	0	0	0	0	0	0	10	5	0	10	10	15
2010	135	120	20	10	10	0	0	5	0	0	0	0	0	10	0	0	5	10	5
2011	150	125	25	15	10	0	0	5	0	0	0	0	0	15	0	0	5	15	10
2012	150	130	25	15	15	0	0	0	0	0	0	0	0	15	0	5	10	10	10
2013	155	130	20	10	15	0	0	0	0	0	0	0	0	10	0	5	10	10	10
2014	155	130	25	5	20	5	0	0	0	0	0	0	0	5	0	5	10	10	15
2015	155	135	20	5	10	5	0	0	0	0	0	0	0	5	0	0	5	5	10
2016	165	140	25	5	20	5	0	0	5	0	0	0	0	5	5	0	5	10	15
2017	170	140	30	10	20	5	0	0	0	5	0	0	5	5	0	5	5	10	20
2018	180	145	35	0	30	5	0	5	5	5	0	0	0	0	5	5	0	10	25
2019	185	155	30	10	25	0	15	5	5	0	0	0	0	10	0	0	5	10	30
2020	635	365	270	10	260	45	155	15	5	10	5	0	0	5	10	15	5	20	250
2021	1,185	670	515	25	485	105	250	35	15	15	5	0	10	10	15	40	10	45	470
2022	1,700	975	720	90	635	140	275	45	20	15	10	5	10	65	20	80	35	110	600
2023	1,840	1,060	785	100	680	140	275	40	25	25	15	5	10	80	25	100	40	130	630
2024	2,375	1,390	980	150	830	165	295	60	40	35	15	5	10	120	40	145	60	–	–
2025	2,900	1,620	1,280	185	1,095	195	425	65	45	40	25	10	10	135	50	195	75	–	–
2026	3,065	1,700	1,365	195	1,170	210	430	70	50	40	30	10	10	140	55	235	80	–	–

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