Postcode · Alkmaar, North Holland

Postcode 1825: Neighbourhood De Mare

On 1 January 2026, postcode 1825 in Alkmaar (De Mare) had 8,990 residents. 29.7% of them (2,670 people) have a migration background: they were born abroad or have at least one parent who was. That is about the same as Alkmaar (29.1%) and about the same as the national average (29.1%). The largest origin groups are other Europe (5.7%), other Asia (5.6%) and other Americas & Oceania (2.9%). 57.5% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.0 percentage points.

Residents: 8,990 on 1 January 2026
Migration background: 29.7% 2,670 people
Born abroad: 57.5% of those with a migration background
Change since 2022: +2.0 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

70% 30%

Dutch origin 70.3% 6,320
Migration background 29.7% 2,670

Largest origin groups

Bars show each group’s share of all residents of 1825. For comparison, the line marks Alkmaar and the circle the Netherlands.

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

5.7% 510 people

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

5.6% 505 people

Alkmaar 5.4% Netherlands 5.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

2.9% 265 people

Alkmaar 2.4% Netherlands 1.7%
Other Africa Africa excluding Morocco

2.8% 255 people

Alkmaar 2.6% Netherlands 2.3%
Suriname

2.7% 245 people

Alkmaar 1.6% Netherlands 2.0%
Indonesia

2.3% 205 people

Alkmaar 2.1% Netherlands 1.9%
Germany

1.9% 175 people

Alkmaar 1.7% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

1.8% 160 people

Alkmaar 1.3% Netherlands 1.1%
Morocco

1.3% 120 people

Alkmaar 2.3% Netherlands 2.4%
Turkey

1.1% 100 people

Alkmaar 2.7% Netherlands 2.6%
Poland

1.1% 95 people

Alkmaar 0.78% Netherlands 1.4%
Belgium

0.44% 40 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) 57.5% 1,535
Born in the Netherlands (second generation) 42.5% 1,135

Men and women

Men: 4,465
Women: 4,525

Compared with all postcodes

Netherlands 29.1% 1825 29.7%

Higher than 75% 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

29.7%

1825
Alkmaar
Netherlands

Show as table

Year	1825	Alkmaar	Netherlands
1998	23.6%	20.1%	16.7%
1999	24.0%	20.5%	17.1%
2000	24.3%	20.8%	17.5%
2001	24.5%	21.4%	18.0%
2002	24.7%	21.8%	18.4%
2003	24.7%	22.1%	18.8%
2004	24.7%	22.5%	19.0%
2005	24.1%	22.5%	19.2%
2006	23.7%	22.5%	19.3%
2007	23.4%	22.4%	19.4%
2008	23.7%	22.6%	19.6%
2009	23.9%	22.8%	19.9%
2010	24.3%	23.1%	20.3%
2011	24.3%	23.3%	20.6%
2012	24.4%	23.4%	20.9%
2013	24.2%	23.5%	21.1%
2014	24.3%	23.5%	21.4%
2015	24.0%	23.6%	21.7%
2016	24.3%	23.9%	22.1%
2017	24.9%	24.4%	22.6%
2018	25.1%	24.6%	23.1%
2019	25.6%	24.6%	23.6%
2020	25.7%	25.0%	24.2%
2021	26.2%	25.3%	24.6%
2022	27.7%	26.7%	26.0%
2023	28.9%	27.6%	27.1%
2024	29.1%	28.2%	27.9%
2025	29.5%	28.6%	28.5%
2026	29.7%	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
1827 Daalmeer/Koedijk	24.4%	10,240	+2.0 pp	Other Asia
1824 Huiswaard	33.9%	7,785	+4.3 pp	Other Asia
1826 De Mare	27.7%	6,440	+3.6 pp	Other Europe
1817 West	28.4%	4,415	+9.5 pp	Other Europe
1831 Daalmeer/Koedijk	18.3%	2,410	+0.9 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	10,155	7,760	2,395	725	1,665	65	130	300	310	230	255	25	40	405	145	315	170	1,085	1,305
1999	10,245	7,795	2,455	730	1,725	70	145	320	310	230	260	20	40	410	155	335	160	1,095	1,360
2000	10,240	7,750	2,490	715	1,765	65	170	315	305	235	255	20	30	410	150	370	155	1,075	1,415
2001	10,175	7,685	2,495	715	1,770	60	165	320	295	250	245	20	30	420	165	375	140	1,055	1,435
2002	10,175	7,665	2,510	740	1,765	60	150	295	300	260	250	20	35	435	160	385	155	1,085	1,425
2003	10,040	7,565	2,480	755	1,725	60	155	285	295	255	245	25	40	445	155	365	155	1,090	1,395
2004	9,990	7,525	2,470	725	1,745	70	150	290	285	245	240	25	40	420	170	375	160	1,065	1,400
2005	9,795	7,430	2,365	690	1,680	60	150	270	285	230	235	30	45	380	160	370	155	1,015	1,350
2006	9,675	7,385	2,295	660	1,625	65	160	265	275	215	220	30	45	365	140	360	145	980	1,315
2007	9,620	7,375	2,250	650	1,600	65	145	265	250	205	210	30	40	370	140	370	160	945	1,305
2008	9,615	7,330	2,280	665	1,615	80	150	265	250	205	205	30	40	390	140	365	160	965	1,315
2009	9,460	7,205	2,260	680	1,580	80	140	265	235	210	205	35	45	395	135	340	175	965	1,290
2010	9,580	7,255	2,325	720	1,600	70	145	260	240	215	215	35	40	430	140	350	180	1,005	1,320
2011	9,600	7,260	2,335	710	1,625	80	135	255	250	200	195	40	45	430	160	350	195	1,005	1,330
2012	9,560	7,235	2,330	710	1,620	75	125	230	245	200	195	50	35	430	170	375	200	1,010	1,325
2013	9,525	7,215	2,305	715	1,590	75	130	240	230	195	195	45	40	435	155	375	190	995	1,310
2014	9,440	7,150	2,290	715	1,575	75	135	235	220	195	195	55	45	420	150	375	190	980	1,305
2015	9,365	7,115	2,250	695	1,555	80	135	250	215	185	195	55	40	405	150	355	185	955	1,300
2016	9,405	7,120	2,285	695	1,585	80	140	250	215	190	195	50	40	410	145	365	200	960	1,320
2017	9,400	7,060	2,340	705	1,635	80	135	260	220	180	195	55	40	415	165	380	215	980	1,365
2018	9,295	6,960	2,335	700	1,635	70	135	255	220	165	190	55	35	420	175	390	225	965	1,370
2019	9,305	6,920	2,385	715	1,665	70	130	255	210	160	190	70	35	420	195	420	225	980	1,405
2020	9,260	6,880	2,380	715	1,665	85	135	245	210	170	185	80	30	420	195	410	215	980	1,400
2021	9,190	6,780	2,410	730	1,680	85	145	250	205	155	180	90	35	425	200	425	215	985	1,425
2022	9,155	6,620	2,535	770	1,765	85	130	235	210	165	190	90	45	445	235	460	245	1,015	1,440
2023	9,185	6,540	2,650	825	1,830	80	135	245	205	165	185	95	45	500	245	505	250	1,065	1,500
2024	9,095	6,450	2,645	820	1,825	90	130	230	205	155	180	90	40	510	245	515	255	–	–
2025	9,090	6,405	2,685	825	1,860	95	125	240	205	160	175	90	40	520	250	525	260	–	–
2026	8,990	6,320	2,670	815	1,855	100	120	245	205	160	175	95	40	510	255	505	265	–	–

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