Postcode · Alkmaar, North Holland

Postcode 1815: Neighbourhoods Zuid and Centrum

On 1 January 2026, postcode 1815 in Alkmaar (Zuid and Centrum) had 7,400 residents. 21.2% of them (1,570 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Alkmaar (29.1%) and lower than the national average (29.1%). The largest origin groups are other Europe (7.0%), other Asia (2.6%) and Indonesia (2.2%). 57.0% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 3.3 percentage points.

Residents: 7,400 on 1 January 2026
Migration background: 21.2% 1,570 people
Born abroad: 57.0% of those with a migration background
Change since 2022: +3.3 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 78.9% 5,835
Migration background 21.2% 1,570

Largest origin groups

Bars show each group’s share of all residents of 1815. For comparison, the line marks Alkmaar and the circle the Netherlands.

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

7.0% 515 people

Alkmaar 6.0% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

2.6% 190 people

Alkmaar 5.4% Netherlands 5.3%
Indonesia

2.2% 165 people

Alkmaar 2.1% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

2.2% 160 people

Alkmaar 2.4% Netherlands 1.7%
Germany

1.7% 125 people

Alkmaar 1.7% Netherlands 1.9%
Other Africa Africa excluding Morocco

1.4% 105 people

Alkmaar 2.6% Netherlands 2.3%
Suriname

0.95% 70 people

Alkmaar 1.6% Netherlands 2.0%
Turkey

0.81% 60 people

Alkmaar 2.7% Netherlands 2.6%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.81% 60 people

Alkmaar 1.3% Netherlands 1.1%
Poland

0.81% 60 people

Alkmaar 0.78% Netherlands 1.4%
Morocco

0.41% 30 people

Alkmaar 2.3% Netherlands 2.4%
Belgium

0.41% 30 people

Alkmaar 0.37% Netherlands 0.76%

First and second generation

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

57% 43%

Born abroad (first generation) 57.0% 895
Born in the Netherlands (second generation) 42.7% 670

Men and women

Men: 3,665
Women: 3,740

Compared with all postcodes

Netherlands 29.1% 1815 21.2%

Higher than 59% 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

21.2%

1815
Alkmaar
Netherlands

Show as table

Year	1815	Alkmaar	Netherlands
1998	12.0%	20.1%	16.7%
1999	12.6%	20.5%	17.1%
2000	13.1%	20.8%	17.5%
2001	13.4%	21.4%	18.0%
2002	13.6%	21.8%	18.4%
2003	13.5%	22.1%	18.8%
2004	13.5%	22.5%	19.0%
2005	13.3%	22.5%	19.2%
2006	13.6%	22.5%	19.3%
2007	14.0%	22.4%	19.4%
2008	14.5%	22.6%	19.6%
2009	14.5%	22.8%	19.9%
2010	14.6%	23.1%	20.3%
2011	14.8%	23.3%	20.6%
2012	15.5%	23.4%	20.9%
2013	15.1%	23.5%	21.1%
2014	15.1%	23.5%	21.4%
2015	14.9%	23.6%	21.7%
2016	15.3%	23.9%	22.1%
2017	15.5%	24.4%	22.6%
2018	16.2%	24.6%	23.1%
2019	16.4%	24.6%	23.6%
2020	16.6%	25.0%	24.2%
2021	16.7%	25.3%	24.6%
2022	17.9%	26.7%	26.0%
2023	19.5%	27.6%	27.1%
2024	19.9%	28.2%	27.9%
2025	20.5%	28.6%	28.5%
2026	21.2%	29.1%	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
1851 Midden, Ypestein	15.0%	12,760	+1.4 pp	Other Europe
1814 Zuid	25.8%	9,720	+1.8 pp	Turkey
1816 West	32.0%	8,755	+0.8 pp	Other Asia
1824 Huiswaard	33.9%	7,785	+4.3 pp	Other Asia
1823 Oudorp	29.1%	7,535	+1.8 pp	Other Asia
1811 Centrum	27.1%	5,435	+3.3 pp	Other Europe
1817 West	28.4%	4,415	+9.5 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	7,050	6,210	845	390	450	70	20	50	155	30	160	5	30	195	35	40	50	580	265
1999	6,960	6,085	875	400	475	65	25	60	165	35	165	10	35	190	35	45	45	600	275
2000	7,000	6,085	915	435	485	55	25	60	165	35	170	10	30	225	35	45	65	635	280
2001	6,980	6,050	935	440	490	60	15	65	160	35	170	10	35	225	40	55	60	635	300
2002	6,990	6,040	950	435	515	55	15	65	170	30	180	15	35	205	40	50	90	645	300
2003	6,890	5,965	930	420	510	55	20	65	155	30	155	15	35	215	40	55	90	620	310
2004	6,855	5,930	925	415	515	50	15	65	160	30	150	15	25	225	45	65	85	620	305
2005	6,765	5,865	900	425	475	45	25	50	160	25	155	10	30	230	30	55	85	625	275
2006	6,600	5,700	900	430	480	40	25	50	145	35	155	20	30	225	35	65	85	615	280
2007	6,585	5,660	920	425	500	45	25	60	145	35	150	25	25	225	35	75	80	615	310
2008	6,645	5,680	965	465	505	50	25	60	160	30	140	30	20	275	25	75	80	665	300
2009	6,695	5,725	970	475	505	45	25	50	155	25	130	30	20	295	45	75	85	665	305
2010	6,720	5,740	980	455	520	45	30	60	150	35	135	30	20	270	45	80	75	660	320
2011	6,810	5,795	1,010	480	525	35	35	70	150	40	140	30	20	290	50	70	75	675	340
2012	7,050	5,955	1,095	520	570	40	25	70	160	45	150	35	15	320	50	80	100	745	345
2013	7,020	5,955	1,060	490	570	40	30	70	165	35	150	25	25	290	60	90	80	710	355
2014	7,105	6,030	1,075	510	565	40	30	65	165	30	145	30	25	310	50	90	95	725	350
2015	7,100	6,040	1,060	495	565	35	35	65	160	35	130	35	20	310	45	95	95	705	355
2016	7,180	6,085	1,095	510	580	35	25	65	160	30	135	30	20	325	50	110	105	725	365
2017	7,180	6,070	1,110	520	590	35	30	60	165	30	135	35	25	325	55	95	120	755	350
2018	7,240	6,070	1,170	565	605	35	30	50	155	30	135	40	30	360	60	120	125	795	375
2019	7,215	6,030	1,185	585	600	40	25	50	160	35	135	40	25	385	65	110	115	810	375
2020	7,200	6,005	1,195	580	615	40	25	55	155	40	120	35	30	395	65	105	130	810	380
2021	7,220	6,015	1,205	580	630	50	30	55	160	40	115	45	30	390	65	105	125	805	400
2022	7,145	5,865	1,280	595	690	40	40	55	175	45	115	40	30	405	65	125	145	810	400
2023	7,210	5,810	1,405	680	720	40	40	55	175	45	115	50	30	485	70	145	150	900	435
2024	7,200	5,770	1,435	655	780	50	40	60	170	45	115	60	35	450	95	155	160	–	–
2025	7,295	5,800	1,495	675	820	60	45	65	170	50	120	60	35	460	110	170	160	–	–
2026	7,400	5,835	1,570	730	840	60	30	70	165	60	125	60	30	515	105	190	160	–	–

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