Postcode · Alphen aan den Rijn, South Holland

Postcode 2405: Neighbourhood Hoge Zijde

On 1 January 2026, postcode 2405 in Alphen aan den Rijn (Hoge Zijde) had 8,765 residents. 27.6% of them (2,415 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 (5.1%), other Asia (4.7%) and Indonesia (2.9%). 54.0% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 4.9 percentage points.

Residents: 8,765 on 1 January 2026
Migration background: 27.6% 2,415 people
Born abroad: 54.0% of those with a migration background
Change since 2022: +4.9 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

72% 28%

Dutch origin 72.4% 6,345
Migration background 27.6% 2,415

Largest origin groups

Bars show each group’s share of all residents of 2405. For comparison, the line marks Alphen aan den Rijn and the circle the Netherlands.

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

5.1% 445 people

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

4.7% 415 people

Alphen aan den Rijn 5.9% Netherlands 5.3%
Indonesia

2.9% 255 people

Alphen aan den Rijn 2.9% Netherlands 1.9%
Poland

2.8% 245 people

Alphen aan den Rijn 2.7% Netherlands 1.4%
Morocco

2.5% 220 people

Alphen aan den Rijn 3.4% Netherlands 2.4%
Suriname

1.9% 165 people

Alphen aan den Rijn 1.9% Netherlands 2.0%
Other Africa Africa excluding Morocco

1.9% 165 people

Alphen aan den Rijn 2.3% Netherlands 2.3%
Turkey

1.5% 130 people

Alphen aan den Rijn 1.8% Netherlands 2.6%
Germany

1.4% 125 people

Alphen aan den Rijn 1.2% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.4% 125 people

Alphen aan den Rijn 1.6% Netherlands 1.7%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

1.1% 95 people

Alphen aan den Rijn 1.1% Netherlands 1.1%
Belgium

0.29% 25 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) 54.0% 1,305
Born in the Netherlands (second generation) 46.0% 1,110

Men and women

Men: 4,310
Women: 4,450

Compared with all postcodes

Netherlands 29.1% 2405 27.6%

Higher than 71% 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

27.6%

2405
Alphen aan den Rijn
Netherlands

Show as table

Year	2405	Alphen aan den Rijn	Netherlands
1998	10.7%	17.0%	16.7%
1999	10.8%	17.6%	17.1%
2000	11.2%	18.1%	17.5%
2001	11.3%	18.5%	18.0%
2002	11.6%	19.0%	18.4%
2003	12.5%	19.4%	18.8%
2004	12.5%	19.4%	19.0%
2005	12.6%	19.5%	19.2%
2006	13.4%	19.5%	19.3%
2007	14.0%	19.6%	19.4%
2008	14.2%	20.0%	19.6%
2009	14.5%	20.3%	19.9%
2010	14.8%	20.6%	20.3%
2011	15.0%	20.8%	20.6%
2012	15.4%	21.0%	20.9%
2013	15.9%	21.2%	21.1%
2014	15.9%	21.3%	21.4%
2015	16.1%	21.5%	21.7%
2016	16.3%	21.9%	22.1%
2017	17.2%	22.7%	22.6%
2018	18.5%	23.3%	23.1%
2019	19.9%	23.9%	23.6%
2020	20.4%	24.4%	24.2%
2021	21.6%	24.9%	24.6%
2022	22.6%	26.2%	26.0%
2023	23.7%	27.4%	27.1%
2024	24.7%	28.1%	27.9%
2025	25.8%	28.6%	28.5%
2026	27.6%	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
2408 Kerk en Zanen	23.0%	17,520	+1.7 pp	Other Asia
2406 Lage Zijde	20.6%	9,725	+1.7 pp	Other Europe
2401 Oudshoorn	31.0%	9,305	+2.3 pp	Other Asia
2404 Hoorn	40.9%	6,060	+9.7 pp	Other Asia
2407 Steekterpolder	19.4%	1,080	+11.0 pp	Other Europe
2409 Rietveld	12.5%	40	±0.0 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	7,080	6,320	760	255	505	20	75	55	205	30	100	10	30	115	15	60	45	485	275
1999	7,035	6,275	760	235	525	25	70	60	200	30	100	15	25	95	20	70	50	460	295
2000	7,145	6,340	800	250	545	25	80	60	210	25	100	20	20	110	30	75	40	480	315
2001	7,170	6,365	810	260	550	20	90	60	210	30	110	20	20	110	35	70	35	490	315
2002	7,305	6,460	850	255	595	35	85	65	215	35	105	25	20	105	35	85	40	500	350
2003	7,440	6,510	930	270	660	70	85	80	230	30	110	25	20	115	25	95	45	515	415
2004	7,495	6,555	935	270	670	75	85	85	235	30	110	25	15	120	35	80	45	520	415
2005	7,510	6,570	945	260	695	80	95	85	235	25	105	25	20	110	40	85	50	515	430
2006	7,675	6,650	1,025	290	735	75	105	95	250	30	105	30	15	140	40	95	45	555	470
2007	7,645	6,580	1,070	305	765	80	100	115	250	30	105	45	15	140	45	100	45	570	495
2008	7,755	6,660	1,100	335	765	80	110	110	245	35	105	45	20	165	45	105	35	600	500
2009	7,790	6,660	1,130	355	775	90	105	105	255	35	105	60	15	175	40	105	40	615	515
2010	7,715	6,575	1,140	365	770	90	105	105	255	30	100	65	15	185	45	110	30	630	505
2011	7,715	6,555	1,155	365	790	90	115	105	255	35	105	60	20	180	40	115	35	630	525
2012	7,675	6,485	1,185	375	805	90	115	105	250	45	105	70	15	185	40	120	40	640	545
2013	7,660	6,450	1,215	410	805	80	110	110	240	45	115	85	25	185	40	135	45	665	550
2014	7,640	6,425	1,215	415	800	80	120	105	230	45	115	85	30	185	40	130	50	660	555
2015	7,625	6,400	1,225	395	830	75	120	110	240	55	105	65	30	195	40	130	60	650	575
2016	7,600	6,360	1,240	405	840	75	110	125	225	45	110	80	30	185	50	145	65	655	590
2017	7,540	6,245	1,295	420	875	75	120	115	230	50	110	90	25	195	60	165	60	675	625
2018	7,765	6,325	1,440	480	960	80	140	105	260	55	110	115	25	230	65	195	60	760	675
2019	8,010	6,415	1,595	530	1,065	75	155	120	265	70	105	145	25	255	95	220	65	815	780
2020	8,000	6,365	1,635	575	1,060	70	145	120	265	65	105	185	20	265	105	225	65	855	775
2021	7,995	6,265	1,730	630	1,100	80	145	135	265	65	115	205	20	290	100	240	70	915	815
2022	7,980	6,175	1,805	630	1,175	80	145	145	265	70	130	200	20	285	120	270	80	900	840
2023	8,165	6,230	1,935	690	1,245	95	155	145	265	80	130	215	25	320	125	300	80	955	900
2024	8,235	6,195	2,035	715	1,320	95	175	135	265	90	125	220	25	350	140	330	90	–	–
2025	8,325	6,175	2,150	765	1,390	110	175	140	255	105	125	230	25	380	135	365	105	–	–
2026	8,765	6,345	2,415	845	1,570	130	220	165	255	95	125	245	25	445	165	415	125	–	–

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