Postcode · Uithoorn, North Holland

Postcode 1423: Neighbourhood Meerwijk

On 1 January 2026, postcode 1423 in Uithoorn (Meerwijk) had 5,465 residents. 25.7% of them (1,405 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Uithoorn (39.5%) and lower than the national average (29.1%). The largest origin groups are other Asia (7.0%), other Europe (4.5%) and Indonesia (2.4%). 57.7% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 3.7 percentage points.

Residents: 5,465 on 1 January 2026
Migration background: 25.7% 1,405 people
Born abroad: 57.7% of those with a migration background
Change since 2022: +3.7 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

74% 26%

Dutch origin 74.3% 4,060
Migration background 25.7% 1,405

Largest origin groups

Bars show each group’s share of all residents of 1423. For comparison, the line marks Uithoorn and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

7.0% 385 people

Uithoorn 12.4% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

4.5% 245 people

Uithoorn 6.1% Netherlands 5.6%
Indonesia

2.4% 130 people

Uithoorn 2.3% Netherlands 1.9%
Other Africa Africa excluding Morocco

2.4% 130 people

Uithoorn 3.5% Netherlands 2.3%
Germany

1.6% 90 people

Uithoorn 1.3% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.6% 90 people

Uithoorn 2.3% Netherlands 1.7%
Suriname

1.6% 85 people

Uithoorn 2.9% Netherlands 2.0%
Turkey

1.4% 75 people

Uithoorn 1.4% Netherlands 2.6%
Morocco

1.1% 60 people

Uithoorn 3.6% Netherlands 2.4%
Poland

1.1% 60 people

Uithoorn 2.6% Netherlands 1.4%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.55% 30 people

Uithoorn 0.85% Netherlands 1.1%
Belgium

0.46% 25 people

Uithoorn 0.37% Netherlands 0.76%

First and second generation

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

58% 42%

Born abroad (first generation) 57.7% 810
Born in the Netherlands (second generation) 42.3% 595

Men and women

Men: 2,710
Women: 2,755

Compared with all postcodes

Netherlands 29.1% 1423 25.7%

Higher than 68% 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

25.7%

1423
Uithoorn
Netherlands

Show as table

Year	1423	Uithoorn	Netherlands
1998	11.9%	16.9%	16.7%
1999	11.7%	17.1%	17.1%
2000	11.5%	17.4%	17.5%
2001	11.8%	17.4%	18.0%
2002	12.0%	17.7%	18.4%
2003	12.2%	18.1%	18.8%
2004	12.7%	18.3%	19.0%
2005	13.0%	18.7%	19.2%
2006	12.7%	18.8%	19.3%
2007	13.0%	19.3%	19.4%
2008	12.9%	19.5%	19.6%
2009	13.3%	20.0%	19.9%
2010	14.0%	20.8%	20.3%
2011	13.8%	21.3%	20.6%
2012	13.9%	21.8%	20.9%
2013	13.9%	22.4%	21.1%
2014	14.3%	22.9%	21.4%
2015	15.1%	24.0%	21.7%
2016	15.4%	25.2%	22.1%
2017	16.3%	25.8%	22.6%
2018	17.3%	27.1%	23.1%
2019	18.0%	28.4%	23.6%
2020	18.6%	29.5%	24.2%
2021	19.6%	31.2%	24.6%
2022	22.0%	34.3%	26.0%
2023	23.4%	36.1%	27.1%
2024	24.1%	37.2%	27.9%
2025	25.0%	38.6%	28.5%
2026	25.7%	39.5%	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
1421 Thamerdal, Legmeer	40.6%	6,195	+3.7 pp	Other Asia
1424 Meerwijk	22.5%	5,040	+6.5 pp	Other Europe
1427 Amstelhoek	19.4%	955	+3.2 pp	Other Europe
1426 de Hoef	11.2%	845	±0.0 pp	Indonesia

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	6,165	5,435	735	270	465	10	10	60	180	20	110	15	15	130	35	85	65	510	220
1999	6,270	5,535	735	285	450	5	5	60	165	25	120	10	15	140	35	100	55	505	230
2000	6,235	5,515	720	280	440	5	5	55	165	25	120	10	15	135	25	100	60	495	225
2001	6,255	5,515	740	290	450	10	5	55	165	20	125	15	15	135	35	100	60	505	235
2002	6,265	5,520	750	315	435	10	5	60	155	15	130	15	20	150	30	95	65	525	225
2003	6,300	5,530	770	325	450	15	5	60	155	10	115	20	20	170	40	105	60	525	245
2004	6,300	5,500	800	340	460	15	15	60	145	15	120	15	20	185	50	105	55	530	270
2005	6,290	5,475	815	350	460	15	15	60	150	20	125	25	20	180	55	100	45	535	275
2006	6,265	5,470	795	340	450	15	10	65	150	20	115	35	15	175	45	90	55	535	265
2007	6,215	5,405	805	345	455	15	5	65	155	20	110	35	15	185	45	95	55	545	260
2008	6,145	5,350	795	340	460	15	10	75	155	25	100	40	15	185	45	85	50	530	265
2009	6,055	5,250	805	345	460	10	20	65	155	25	95	35	20	195	45	80	60	530	270
2010	6,055	5,210	845	375	480	10	25	70	150	20	105	50	15	205	45	85	75	565	285
2011	6,000	5,170	830	355	470	5	20	85	155	20	105	55	20	175	50	85	50	540	290
2012	6,000	5,170	835	360	470	5	25	75	155	20	100	60	20	180	50	90	50	545	295
2013	5,890	5,070	820	345	475	5	30	75	155	20	95	60	20	170	55	90	45	515	305
2014	5,835	5,000	835	345	485	5	35	75	140	20	90	60	20	175	50	115	45	505	320
2015	5,875	4,985	890	360	530	10	40	85	150	15	95	70	20	175	50	130	50	525	365
2016	5,860	4,960	900	350	555	10	35	85	145	20	100	65	15	170	60	150	50	510	385
2017	5,810	4,865	945	365	580	10	30	85	150	15	95	65	15	190	70	170	50	530	415
2018	5,755	4,760	995	375	620	15	40	85	145	15	95	70	20	190	75	185	60	545	450
2019	5,725	4,695	1,030	365	665	10	45	95	140	15	95	70	20	180	80	205	75	540	490
2020	5,660	4,605	1,055	380	680	20	40	90	130	15	100	70	15	195	80	225	80	540	520
2021	5,650	4,540	1,110	395	720	30	40	95	135	15	95	65	15	220	90	230	85	560	545
2022	5,565	4,340	1,225	415	815	45	45	90	145	20	95	70	25	225	105	275	85	560	605
2023	5,560	4,260	1,300	425	875	50	50	90	140	25	90	65	20	240	125	310	80	570	675
2024	5,530	4,200	1,330	420	910	50	50	95	140	30	95	65	25	235	115	340	90	–	–
2025	5,500	4,125	1,375	425	950	65	60	95	135	35	95	65	25	240	125	350	85	–	–
2026	5,465	4,060	1,405	415	990	75	60	85	130	30	90	60	25	245	130	385	90	–	–

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