Postcode · Alkmaar, North Holland

Postcode 1827: Neighbourhood Daalmeer/Koedijk

On 1 January 2026, postcode 1827 in Alkmaar (Daalmeer/Koedijk) had 10,240 residents. 24.4% of them (2,500 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 Asia (5.4%), other Europe (4.5%) and Indonesia (2.4%). 53.0% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.0 percentage points.

Residents: 10,240 on 1 January 2026
Migration background: 24.4% 2,500 people
Born abroad: 53.0% 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

76% 24%

Dutch origin 75.6% 7,740
Migration background 24.4% 2,500

Largest origin groups

Bars show each group’s share of all residents of 1827. For comparison, the line marks Alkmaar and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

5.4% 550 people

Alkmaar 5.4% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

4.5% 460 people

Alkmaar 6.0% Netherlands 5.6%
Indonesia

2.4% 250 people

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

2.1% 220 people

Alkmaar 2.4% Netherlands 1.7%
Suriname

2.0% 205 people

Alkmaar 1.6% Netherlands 2.0%
Other Africa Africa excluding Morocco

1.9% 195 people

Alkmaar 2.6% Netherlands 2.3%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

1.8% 180 people

Alkmaar 1.3% Netherlands 1.1%
Germany

1.6% 165 people

Alkmaar 1.7% Netherlands 1.9%
Poland

0.93% 95 people

Alkmaar 0.78% Netherlands 1.4%
Morocco

0.73% 75 people

Alkmaar 2.3% Netherlands 2.4%
Turkey

0.68% 70 people

Alkmaar 2.7% Netherlands 2.6%
Belgium

0.34% 35 people

Alkmaar 0.37% Netherlands 0.76%

First and second generation

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

53% 47%

Born abroad (first generation) 53.0% 1,325
Born in the Netherlands (second generation) 47.0% 1,175

Men and women

Men: 5,065
Women: 5,175

Compared with all postcodes

Netherlands 29.1% 1827 24.4%

Higher than 66% 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

24.4%

1827
Alkmaar
Netherlands

Show as table

Year	1827	Alkmaar	Netherlands
1998	17.0%	20.1%	16.7%
1999	17.6%	20.5%	17.1%
2000	17.2%	20.8%	17.5%
2001	17.7%	21.4%	18.0%
2002	18.1%	21.8%	18.4%
2003	18.4%	22.1%	18.8%
2004	18.6%	22.5%	19.0%
2005	18.5%	22.5%	19.2%
2006	18.6%	22.5%	19.3%
2007	18.4%	22.4%	19.4%
2008	18.6%	22.6%	19.6%
2009	18.8%	22.8%	19.9%
2010	19.2%	23.1%	20.3%
2011	19.2%	23.3%	20.6%
2012	19.4%	23.4%	20.9%
2013	19.7%	23.5%	21.1%
2014	19.7%	23.5%	21.4%
2015	19.9%	23.6%	21.7%
2016	20.0%	23.9%	22.1%
2017	20.2%	24.4%	22.6%
2018	20.6%	24.6%	23.1%
2019	21.0%	24.6%	23.6%
2020	21.7%	25.0%	24.2%
2021	21.5%	25.3%	24.6%
2022	22.5%	26.7%	26.0%
2023	23.0%	27.6%	27.1%
2024	23.7%	28.2%	27.9%
2025	24.0%	28.6%	28.5%
2026	24.4%	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
1825 De Mare	29.7%	8,990	+2.0 pp	Other Europe
1822 Vroonermeer, Oudorp	23.5%	6,520	+0.3 pp	Other Asia
1826 De Mare	27.7%	6,440	+3.6 pp	Other Europe
1834 Sint-Pancras kern, Twuyverhoek en Oostwal	13.3%	5,870	+1.3 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	12,500	10,375	2,130	735	1,390	50	45	235	360	185	260	35	35	405	90	285	140	1,140	985
1999	12,485	10,295	2,195	735	1,455	55	50	250	365	180	265	40	35	395	105	300	150	1,155	1,035
2000	12,555	10,385	2,165	750	1,420	50	50	250	355	160	265	40	35	410	95	300	160	1,155	1,010
2001	12,510	10,295	2,210	770	1,435	50	60	245	360	155	260	35	30	445	100	305	160	1,185	1,030
2002	12,470	10,205	2,260	780	1,485	60	65	240	355	170	260	35	35	450	105	335	155	1,190	1,075
2003	12,250	9,995	2,255	770	1,480	55	65	235	350	150	260	35	30	445	115	345	165	1,170	1,080
2004	12,050	9,810	2,245	760	1,485	50	75	225	350	150	260	30	30	440	110	355	170	1,165	1,075
2005	11,895	9,700	2,195	760	1,435	40	60	220	330	150	255	35	30	440	95	360	180	1,145	1,050
2006	11,770	9,580	2,190	760	1,430	45	75	215	325	150	260	30	30	440	85	365	170	1,140	1,050
2007	11,655	9,515	2,145	740	1,400	45	75	210	315	145	260	30	25	425	90	365	155	1,100	1,045
2008	11,480	9,350	2,130	730	1,405	40	70	210	315	145	250	40	30	410	100	375	150	1,090	1,040
2009	11,415	9,265	2,150	745	1,400	45	75	210	310	150	250	40	30	425	90	365	155	1,110	1,040
2010	11,300	9,135	2,170	750	1,415	50	75	220	310	145	250	35	30	435	85	375	155	1,100	1,065
2011	11,260	9,090	2,165	745	1,415	50	70	220	295	155	245	45	30	425	85	375	165	1,080	1,090
2012	11,275	9,090	2,190	745	1,445	60	75	215	295	165	250	60	30	405	90	390	155	1,080	1,105
2013	11,160	8,965	2,200	755	1,455	55	80	210	290	175	245	65	30	415	80	390	175	1,085	1,110
2014	11,065	8,880	2,185	750	1,430	55	70	220	285	175	230	70	30	420	80	375	170	1,075	1,105
2015	10,995	8,805	2,190	760	1,435	50	80	220	285	170	220	70	35	435	85	370	175	1,080	1,110
2016	10,905	8,720	2,185	755	1,430	45	70	220	275	165	220	80	25	430	90	390	175	1,065	1,120
2017	10,840	8,650	2,190	760	1,430	45	75	215	255	165	220	70	20	450	85	420	170	1,050	1,140
2018	10,775	8,560	2,215	755	1,460	50	70	205	255	180	220	65	25	445	100	425	175	1,045	1,170
2019	10,640	8,410	2,230	765	1,470	60	60	210	250	180	220	75	20	450	115	430	165	1,050	1,180
2020	10,595	8,295	2,300	800	1,500	55	60	205	260	185	210	90	25	475	135	435	165	1,090	1,205
2021	10,425	8,180	2,245	770	1,480	60	55	200	255	175	200	85	20	465	120	435	180	1,065	1,180
2022	10,400	8,070	2,335	775	1,555	65	60	200	260	170	195	90	25	465	140	465	195	1,060	1,200
2023	10,465	8,055	2,405	785	1,625	70	60	205	265	165	190	90	30	480	155	500	210	1,070	1,275
2024	10,325	7,880	2,445	755	1,690	75	65	210	265	180	180	90	25	455	175	510	210	–	–
2025	10,300	7,830	2,470	745	1,725	65	70	205	260	180	170	85	30	460	190	530	225	–	–
2026	10,240	7,740	2,500	755	1,745	70	75	205	250	180	165	95	35	460	195	550	220	–	–

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