Postcode · Nieuwkoop, South Holland

Postcode 2421: Migration background and origin

On 1 January 2026, postcode 2421 in Nieuwkoop had 9,340 residents. 14.2% of them (1,325 people) have a migration background: they were born abroad or have at least one parent who was. That is about the same as the municipality of Nieuwkoop (14.7%) and lower than the national average (29.1%). The largest origin groups are other Europe (2.7%), other Asia (2.4%) and Morocco (1.8%). 54.7% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.4 percentage points.

Residents: 9,340 on 1 January 2026
Migration background: 14.2% 1,325 people
Born abroad: 54.7% of those with a migration background
Change since 2022: +1.4 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

86% 14%

Dutch origin 85.8% 8,015
Migration background 14.2% 1,325

Largest origin groups

Bars show each group’s share of all residents of 2421. For comparison, the line marks Municipality of Nieuwkoop and the circle the Netherlands.

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

2.7% 250 people

Municipality of Nieuwkoop 2.9% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

2.4% 220 people

Municipality of Nieuwkoop 2.7% Netherlands 5.3%
Morocco

1.8% 170 people

Municipality of Nieuwkoop 1.0% Netherlands 2.4%
Poland

1.7% 160 people

Municipality of Nieuwkoop 2.5% Netherlands 1.4%
Indonesia

1.3% 120 people

Municipality of Nieuwkoop 1.1% Netherlands 1.9%
Other Africa Africa excluding Morocco

1.2% 110 people

Municipality of Nieuwkoop 1.1% Netherlands 2.3%
Germany

0.91% 85 people

Municipality of Nieuwkoop 1.0% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.86% 80 people

Municipality of Nieuwkoop 0.91% Netherlands 1.7%
Suriname

0.43% 40 people

Municipality of Nieuwkoop 0.59% Netherlands 2.0%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.43% 40 people

Municipality of Nieuwkoop 0.35% Netherlands 1.1%
Turkey

0.27% 25 people

Municipality of Nieuwkoop 0.30% Netherlands 2.6%
Belgium

0.21% 20 people

Municipality of Nieuwkoop 0.29% Netherlands 0.76%

First and second generation

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

55% 45%

Born abroad (first generation) 54.7% 725
Born in the Netherlands (second generation) 45.3% 600

Men and women

Men: 4,605
Women: 4,735

Compared with all postcodes

Netherlands 29.1% 2421 14.2%

Higher than 38% 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

14.2%

2421
Municipality of Nieuwkoop
Netherlands

Show as table

Year	2421	Municipality of Nieuwkoop	Netherlands
1998	9.6%	7.0%	16.7%
1999	9.8%	7.2%	17.1%
2000	9.5%	7.1%	17.5%
2001	9.6%	7.3%	18.0%
2002	9.6%	7.3%	18.4%
2003	9.3%	7.3%	18.8%
2004	9.5%	7.4%	19.0%
2005	9.4%	7.4%	19.2%
2006	9.5%	7.6%	19.3%
2007	9.4%	7.7%	19.4%
2008	9.4%	7.7%	19.6%
2009	9.4%	7.8%	19.9%
2010	9.6%	8.1%	20.3%
2011	9.8%	8.2%	20.6%
2012	9.8%	8.3%	20.9%
2013	9.9%	8.5%	21.1%
2014	10.3%	8.7%	21.4%
2015	10.5%	8.9%	21.7%
2016	10.7%	9.1%	22.1%
2017	11.0%	9.8%	22.6%
2018	11.6%	10.3%	23.1%
2019	11.9%	10.8%	23.6%
2020	11.9%	11.2%	24.2%
2021	11.8%	11.7%	24.6%
2022	12.7%	12.5%	26.0%
2023	13.5%	13.4%	27.1%
2024	13.9%	13.8%	27.9%
2025	14.2%	14.2%	28.5%
2026	14.2%	14.7%	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
2411 Zuid, Noord	19.5%	17,840	+1.3 pp	Morocco
2461 Langeraar	15.3%	9,775	+2.5 pp	Other Asia
2435 Noordeinde	14.3%	3,050	+2.4 pp	Other Asia
3474 Zegveld	12.0%	2,455	+1.9 pp	Other Asia
2471 Zwammerdam	19.2%	1,905	+3.3 pp	Other Europe
2431 De Kuil, Lintbebouwing	12.1%	1,860	+2.7 pp	Other Europe
2445 Noordeinde	10.1%	1,240	±0.0 pp	Other Europe
3652 Woerdense Verlaat	15.7%	635	+7.1 pp	Poland
3651 Achttienhoven	7.1%	140	+3.6 pp	Turkey

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	8,625	7,795	825	295	520	5	190	20	150	30	135	15	20	125	40	55	30	475	350
1999	8,610	7,775	840	305	535	5	180	25	140	25	125	15	20	145	55	70	35	480	360
2000	8,605	7,785	820	290	525	5	180	30	140	25	125	15	20	130	50	65	30	455	365
2001	8,555	7,730	825	300	530	5	175	30	140	25	120	15	20	145	55	65	35	460	360
2002	8,550	7,735	820	300	520	5	175	40	135	15	120	15	25	140	55	70	25	455	360
2003	8,590	7,795	795	305	490	0	160	35	130	20	120	15	25	145	55	75	15	450	345
2004	8,640	7,815	825	305	525	5	165	35	130	25	115	15	20	155	55	85	25	455	370
2005	8,700	7,880	820	305	520	0	160	35	125	25	115	15	25	150	60	95	20	445	375
2006	8,710	7,890	825	315	500	0	160	35	120	20	120	20	30	145	55	90	20	460	365
2007	8,680	7,870	815	320	495	0	165	30	115	20	120	25	25	150	50	90	25	450	355
2008	8,640	7,825	810	310	500	0	155	30	120	15	120	25	25	140	55	90	35	445	365
2009	8,590	7,780	810	305	505	10	155	30	120	20	115	30	25	135	55	85	30	440	370
2010	8,585	7,760	825	315	510	5	160	25	115	25	120	30	20	145	55	90	35	450	375
2011	8,605	7,760	840	320	530	5	160	30	120	20	120	40	25	135	60	95	40	460	385
2012	8,695	7,840	855	325	525	10	160	25	115	20	110	50	25	140	55	95	45	465	390
2013	8,850	7,970	880	345	535	5	165	30	110	20	110	60	25	150	55	105	45	480	400
2014	8,815	7,910	905	360	545	5	175	30	110	20	110	70	25	155	60	100	45	495	410
2015	8,790	7,865	925	360	565	5	175	30	115	20	110	75	20	155	65	100	55	500	420
2016	8,970	8,010	960	370	595	5	180	30	125	20	110	85	25	150	65	115	55	520	445
2017	9,165	8,160	1,005	395	610	5	175	35	130	25	110	105	25	155	65	125	50	550	455
2018	9,320	8,240	1,080	425	655	15	175	35	135	25	115	130	25	155	70	140	60	590	490
2019	9,420	8,300	1,120	440	680	15	170	45	140	25	110	145	25	160	80	155	50	620	500
2020	9,405	8,285	1,120	440	680	10	170	40	135	25	110	145	20	165	85	160	55	610	510
2021	9,440	8,325	1,115	440	675	15	160	40	130	25	105	155	15	165	95	155	55	605	505
2022	9,420	8,220	1,200	460	735	15	160	45	135	35	105	155	20	180	100	170	75	605	530
2023	9,375	8,110	1,270	510	755	15	160	45	130	35	100	165	20	225	115	185	70	645	555
2024	9,385	8,080	1,300	520	780	15	160	45	125	40	95	165	20	235	110	205	75	–	–
2025	9,350	8,015	1,330	540	790	20	170	40	125	40	90	170	20	255	110	215	75	–	–
2026	9,340	8,015	1,325	515	810	25	170	40	120	40	85	160	20	250	110	220	80	–	–

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