Postcode · Alphen aan den Rijn, South Holland

Postcode 2406: Neighbourhood Lage Zijde

On 1 January 2026, postcode 2406 in Alphen aan den Rijn (Lage Zijde) had 9,725 residents. 20.6% of them (2,005 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Alphen aan den Rijn (29.6%) and lower than the national average (29.1%). The largest origin groups are other Europe (4.5%), other Asia (3.4%) and Indonesia (2.4%). 54.4% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.7 percentage points.

Residents: 9,725 on 1 January 2026
Migration background: 20.6% 2,005 people
Born abroad: 54.4% 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

79% 21%

Dutch origin 79.4% 7,720
Migration background 20.6% 2,005

Largest origin groups

Bars show each group’s share of all residents of 2406. For comparison, the line marks Alphen aan den Rijn and the circle the Netherlands.

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

4.5% 440 people

Alphen aan den Rijn 4.5% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

3.4% 330 people

Alphen aan den Rijn 5.9% Netherlands 5.3%
Indonesia

2.4% 235 people

Alphen aan den Rijn 2.9% Netherlands 1.9%
Poland

2.2% 210 people

Alphen aan den Rijn 2.7% Netherlands 1.4%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.7% 165 people

Alphen aan den Rijn 1.6% Netherlands 1.7%
Germany

1.2% 120 people

Alphen aan den Rijn 1.2% Netherlands 1.9%
Other Africa Africa excluding Morocco

1.2% 115 people

Alphen aan den Rijn 2.3% Netherlands 2.3%
Morocco

1.1% 105 people

Alphen aan den Rijn 3.4% Netherlands 2.4%
Suriname

1.1% 105 people

Alphen aan den Rijn 1.9% Netherlands 2.0%
Turkey

0.72% 70 people

Alphen aan den Rijn 1.8% Netherlands 2.6%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.72% 70 people

Alphen aan den Rijn 1.1% Netherlands 1.1%
Belgium

0.41% 40 people

Alphen aan den Rijn 0.37% Netherlands 0.76%

First and second generation

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

54% 46%

Born abroad (first generation) 54.4% 1,090
Born in the Netherlands (second generation) 45.6% 915

Men and women

Men: 4,810
Women: 4,915

Compared with all postcodes

Netherlands 29.1% 2406 20.6%

Higher than 58% 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

20.6%

2406
Alphen aan den Rijn
Netherlands

Show as table

Year	2406	Alphen aan den Rijn	Netherlands
1998	9.9%	17.0%	16.7%
1999	10.5%	17.6%	17.1%
2000	10.7%	18.1%	17.5%
2001	11.1%	18.5%	18.0%
2002	11.4%	19.0%	18.4%
2003	11.8%	19.4%	18.8%
2004	12.3%	19.4%	19.0%
2005	12.5%	19.5%	19.2%
2006	12.3%	19.5%	19.3%
2007	12.8%	19.6%	19.4%
2008	13.3%	20.0%	19.6%
2009	13.9%	20.3%	19.9%
2010	14.2%	20.6%	20.3%
2011	14.2%	20.8%	20.6%
2012	14.2%	21.0%	20.9%
2013	14.6%	21.2%	21.1%
2014	14.8%	21.3%	21.4%
2015	15.4%	21.5%	21.7%
2016	15.7%	21.9%	22.1%
2017	16.2%	22.7%	22.6%
2018	16.2%	23.3%	23.1%
2019	16.7%	23.9%	23.6%
2020	17.2%	24.4%	24.2%
2021	17.5%	24.9%	24.6%
2022	18.9%	26.2%	26.0%
2023	19.8%	27.4%	27.1%
2024	20.1%	28.1%	27.9%
2025	21.0%	28.6%	28.5%
2026	20.6%	29.6%	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
2402 Ridderveld	37.0%	13,460	+3.4 pp	Other Asia
2403 Zegersloot	34.6%	10,150	+2.8 pp	Other Asia
2401 Oudshoorn	31.0%	9,305	+2.3 pp	Other Asia
2405 Hoge Zijde	27.6%	8,765	+4.9 pp	Other Europe
2407 Steekterpolder	19.4%	1,080	+11.0 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	8,575	7,725	850	270	575	20	40	85	235	60	105	20	15	130	40	60	35	510	335
1999	8,505	7,615	890	280	620	25	50	85	255	55	100	15	20	145	45	60	45	540	345
2000	8,390	7,495	900	290	610	20	50	85	245	60	100	20	25	145	55	65	30	535	365
2001	8,455	7,515	940	310	635	20	45	80	250	55	110	20	15	165	60	80	45	560	380
2002	8,460	7,495	965	315	645	25	55	70	255	60	115	20	15	165	50	80	50	585	380
2003	8,340	7,355	985	325	650	30	65	75	235	65	115	20	15	175	55	80	45	580	405
2004	8,335	7,310	1,025	340	680	40	80	85	235	60	110	20	15	195	60	75	45	590	435
2005	8,255	7,220	1,035	345	690	40	70	85	235	60	110	20	20	195	65	90	45	595	440
2006	8,365	7,335	1,030	345	690	45	75	75	235	65	100	20	15	210	60	90	45	595	430
2007	8,245	7,185	1,055	365	685	40	70	80	245	65	100	30	25	210	50	90	45	630	430
2008	8,185	7,090	1,090	385	715	40	85	80	240	65	95	45	25	220	55	90	60	640	455
2009	8,285	7,135	1,150	425	720	30	90	85	245	75	105	55	25	240	55	95	45	685	465
2010	8,260	7,085	1,170	415	755	45	85	85	245	70	105	50	25	235	60	100	65	685	480
2011	8,155	6,995	1,160	430	730	35	85	75	235	65	100	70	25	235	70	90	75	685	470
2012	8,115	6,960	1,155	430	725	35	90	80	240	55	100	70	25	235	65	95	65	695	460
2013	8,105	6,930	1,180	445	735	35	90	85	230	60	100	80	25	240	75	90	70	705	475
2014	8,175	6,965	1,210	465	750	30	95	95	230	55	110	90	25	240	75	90	80	735	480
2015	8,225	6,960	1,265	505	760	35	90	95	220	55	115	115	25	250	70	105	90	765	495
2016	8,230	6,935	1,295	525	765	35	95	85	230	60	115	125	30	255	75	105	80	790	505
2017	8,535	7,155	1,380	555	820	30	105	90	240	55	115	160	30	250	75	140	85	830	545
2018	8,620	7,220	1,400	565	835	30	95	95	230	65	115	155	30	265	80	150	90	830	570
2019	9,050	7,540	1,510	620	890	30	115	90	235	60	115	155	35	315	80	175	105	895	615
2020	9,340	7,730	1,610	680	930	35	115	95	235	60	125	190	30	335	95	185	110	965	645
2021	9,500	7,840	1,660	665	990	45	120	100	235	60	110	195	35	325	95	215	120	955	705
2022	9,510	7,715	1,795	690	1,105	55	120	100	240	65	120	190	35	350	100	280	145	965	745
2023	9,590	7,690	1,900	760	1,140	55	120	105	240	70	120	210	35	400	110	295	145	1,040	775
2024	9,710	7,755	1,955	785	1,170	70	110	115	250	75	120	205	35	425	105	295	150	–	–
2025	9,870	7,800	2,070	880	1,190	65	110	115	245	70	125	215	40	510	105	330	150	–	–
2026	9,725	7,720	2,005	810	1,190	70	105	105	235	70	120	210	40	440	115	330	165	–	–

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