Postcode · Oterleek, North Holland

Postcode 1842: Neighbourhood Schermer

On 1 January 2026, postcode 1842 in Oterleek (Schermer) had 630 residents. 8.7% of them (55 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Alkmaar (26.4%) and lower than the national average (29.1%). The largest origin groups are Germany (2.4%), other Europe (1.6%) and Suriname (0.79%). 36.4% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 0.8 percentage points.

Residents: 630 on 1 January 2026
Migration background: 8.7% 55 people
Born abroad: 36.4% of those with a migration background
Change since 2022: +0.8 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

91%

Dutch origin 91.3% 575
Migration background 8.7% 55

Largest origin groups

Bars show each group’s share of all residents of 1842. For comparison, the line marks Municipality of Alkmaar and the circle the Netherlands.

Germany

2.4% 15 people

Municipality of Alkmaar 1.6% Netherlands 1.9%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

1.6% 10 people

Municipality of Alkmaar 5.5% Netherlands 5.6%
Suriname

0.79% 5 people

Municipality of Alkmaar 1.4% Netherlands 2.0%
Indonesia

0.79% 5 people

Municipality of Alkmaar 2.0% Netherlands 1.9%
Poland

0.79% 5 people

Municipality of Alkmaar 0.72% Netherlands 1.4%
Other Asia Asia excluding Indonesia and Turkey

0.79% 5 people

Municipality of Alkmaar 4.8% Netherlands 5.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.79% 5 people

Municipality of Alkmaar 2.2% Netherlands 1.7%
Turkey

0.0% 0 people

Municipality of Alkmaar 2.3% Netherlands 2.6%
Morocco

0.0% 0 people

Municipality of Alkmaar 2.0% Netherlands 2.4%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.0% 0 people

Municipality of Alkmaar 1.2% Netherlands 1.1%
Belgium

0.0% 0 people

Municipality of Alkmaar 0.35% Netherlands 0.76%
Other Africa Africa excluding Morocco

0.0% 0 people

Municipality of Alkmaar 2.4% Netherlands 2.3%

First and second generation

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

36% 64%

Born abroad (first generation) 36.4% 20
Born in the Netherlands (second generation) 63.6% 35

Men and women

Men: 300
Women: 330

Compared with all postcodes

Netherlands 29.1% 1842 8.7%

Higher than 14% 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

8.7%

1842
Municipality of Alkmaar
Netherlands

Show as table

Year	1842	Municipality of Alkmaar	Netherlands
1998	6.1%	18.0%	16.7%
1999	6.1%	18.4%	17.1%
2000	6.1%	18.6%	17.5%
2001	6.0%	19.1%	18.0%
2002	6.1%	19.5%	18.4%
2003	6.1%	19.7%	18.8%
2004	5.2%	20.1%	19.0%
2005	5.0%	20.1%	19.2%
2006	4.2%	20.1%	19.3%
2007	4.2%	19.9%	19.4%
2008	4.2%	20.2%	19.6%
2009	5.0%	20.4%	19.9%
2010	5.0%	20.7%	20.3%
2011	5.0%	20.9%	20.6%
2012	3.9%	21.0%	20.9%
2013	4.7%	21.1%	21.1%
2014	4.7%	21.2%	21.4%
2015	4.0%	21.3%	21.7%
2016	4.8%	21.6%	22.1%
2017	4.7%	22.1%	22.6%
2018	5.5%	22.2%	23.1%
2019	6.2%	22.3%	23.6%
2020	6.3%	22.6%	24.2%
2021	7.1%	22.9%	24.6%
2022	7.9%	24.2%	26.0%
2023	8.7%	25.1%	27.1%
2024	9.1%	25.6%	27.9%
2025	9.7%	26.0%	28.5%
2026	8.7%	26.4%	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
1703 Edelstenenwijk, Rivierenwijk	28.0%	12,625	+2.4 pp	Other Asia
1645 Drechterlandsedijk en omgeving	11.0%	3,010	+1.2 pp	Other Asia
1841 Schermer	12.2%	2,090	+0.9 pp	Other Europe
1636 Schermer	9.8%	1,275	−0.6 pp	Germany
1646 Schermer	7.1%	70	±0.0 pp	Indonesia

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	Suriname	Indonesia	Dutch Caribbean	Germany	Poland	Belgium	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
1998	570	540	35	25	15	0	0	10	0	15	0	0	10	0	0	5	35	5
1999	570	535	35	25	15	0	0	5	0	10	0	5	10	0	5	5	35	0
2000	570	535	35	25	10	0	0	10	0	10	0	5	10	0	0	0	35	0
2001	580	545	35	25	15	0	0	10	0	10	0	0	15	0	0	5	35	0
2002	575	535	35	20	10	0	0	5	0	10	0	0	10	0	0	5	35	0
2003	575	540	35	25	10	0	0	5	0	15	0	0	10	0	0	5	30	0
2004	580	550	30	20	15	0	0	5	0	10	0	0	10	0	0	10	35	0
2005	600	570	30	25	10	0	0	5	0	15	0	0	10	5	0	0	25	5
2006	595	570	25	15	15	0	0	5	0	10	0	0	5	5	0	5	25	0
2007	595	570	25	20	20	0	0	5	0	10	5	0	5	5	0	10	25	0
2008	600	575	25	20	0	0	0	5	0	10	5	0	5	0	0	0	20	0
2009	600	570	30	25	5	0	0	5	0	10	0	0	15	0	0	5	25	0
2010	600	570	30	25	5	0	0	5	0	5	5	0	15	0	0	0	25	0
2011	595	570	30	25	5	0	0	0	0	10	5	0	10	0	5	0	25	5
2012	635	610	25	25	0	0	0	5	0	15	5	0	5	0	0	0	25	5
2013	635	610	30	25	5	0	0	5	0	15	5	0	5	0	0	0	25	5
2014	635	605	30	20	10	5	0	5	0	10	5	0	5	0	0	0	30	5
2015	625	600	25	20	5	0	0	0	0	10	0	0	10	0	5	0	20	0
2016	625	595	30	25	5	0	0	5	0	10	5	0	10	0	0	0	30	0
2017	640	610	30	25	5	0	0	5	0	15	0	0	10	0	0	0	30	0
2018	635	600	35	25	10	0	5	5	0	10	5	0	10	0	0	0	30	10
2019	645	605	40	25	10	0	5	5	0	15	0	0	10	0	0	0	25	5
2020	635	595	40	20	15	0	5	5	0	10	5	0	5	0	0	5	30	5
2021	635	590	45	25	15	0	10	5	0	10	5	0	10	0	5	0	30	10
2022	630	580	50	25	20	0	10	5	0	10	5	0	10	5	5	0	35	15
2023	630	575	55	35	25	0	5	10	5	15	5	0	15	0	5	0	40	15
2024	605	550	55	35	25	0	5	5	0	20	5	0	10	0	5	5	–	–
2025	620	565	60	35	20	0	5	5	0	20	5	0	10	0	5	5	–	–
2026	630	575	55	35	20	0	5	5	0	15	5	0	10	0	5	5	–	–

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