Postcode · Woerdense Verlaat, South Holland

Postcode 3651: Neighbourhood Achttienhoven

On 1 January 2026, postcode 3651 in Woerdense Verlaat (Achttienhoven) had 140 residents. 7.1% of them (10 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Woerdense Verlaat (13.5%) and lower than the national average (29.1%). The largest origin groups are Turkey (3.6%). 0.0% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 3.6 percentage points.

Small area: CBS rounds counts to multiples of 5, so percentages can be off by several points.

Residents: 140 on 1 January 2026
Migration background: 7.1% 10 people
Born abroad: 0.0% of those with a migration background
Change since 2022: +3.6 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

Dutch origin 92.9% 130
Migration background 7.1% 10

Largest origin groups

Bars show each group’s share of all residents of 3651. For comparison, the line marks Woerdense Verlaat and the circle the Netherlands.

Turkey

3.6% 5 people

Woerdense Verlaat 0.61% Netherlands 2.6%
Morocco

0.0% 0 people

Woerdense Verlaat 0.61% Netherlands 2.4%
Suriname

0.0% 0 people

Woerdense Verlaat 0.61% Netherlands 2.0%
Indonesia

0.0% 0 people

Woerdense Verlaat 0.61% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.0% 0 people

Woerdense Verlaat 0.61% Netherlands 1.1%
Germany

0.0% 0 people

Woerdense Verlaat 1.2% Netherlands 1.9%
Poland

0.0% 0 people

Woerdense Verlaat 4.9% Netherlands 1.4%
Belgium

0.0% 0 people

Woerdense Verlaat 0.61% Netherlands 0.76%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

0.0% 0 people

Woerdense Verlaat 2.5% Netherlands 5.6%
Other Africa Africa excluding Morocco

0.0% 0 people

Woerdense Verlaat 0.0% Netherlands 2.3%
Other Asia Asia excluding Indonesia and Turkey

0.0% 0 people

Woerdense Verlaat 1.2% Netherlands 5.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.0% 0 people

Woerdense Verlaat 0.0% Netherlands 1.7%

First and second generation

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

Born abroad (first generation) 0.0% 0
Born in the Netherlands (second generation) 100.0% 10

Men and women

Men: 70
Women: 70

Compared with all postcodes

Not ranked: fewer than 500 residents.

Trend since 1998

Share of residents with a migration background, compared with larger areas.

Show

Measure % Residents

New CBS classification

7.1%

3651
Woerdense Verlaat
Netherlands

Show as table

Year	3651	Woerdense Verlaat	Netherlands
1998	3.2%	3.2%	16.7%
1999	0.0%	2.5%	17.1%
2000	3.2%	3.1%	17.5%
2001	3.4%	3.7%	18.0%
2002	3.3%	5.5%	18.4%
2003	3.2%	5.4%	18.8%
2004	3.3%	5.3%	19.0%
2005	3.4%	4.8%	19.2%
2006	3.6%	4.8%	19.3%
2007	0.0%	6.0%	19.4%
2008	3.7%	7.2%	19.6%
2009	3.8%	7.8%	19.9%
2010	3.6%	7.7%	20.3%
2011	3.7%	7.8%	20.6%
2012	3.8%	6.8%	20.9%
2013	3.7%	6.8%	21.1%
2014	7.4%	7.0%	21.4%
2015	7.7%	7.1%	21.7%
2016	7.4%	7.5%	22.1%
2017	7.1%	7.4%	22.6%
2018	10.3%	7.6%	23.1%
2019	6.9%	7.6%	23.6%
2020	3.4%	6.5%	24.2%
2021	7.1%	8.4%	24.6%
2022	3.6%	7.3%	26.0%
2023	6.9%	11.9%	27.1%
2024	6.9%	11.2%	27.9%
2025	7.1%	12.5%	28.5%
2026	7.1%	13.5%	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
2421 Nieuwkoop	14.2%	9,340	+1.4 pp	Other Europe
3471 Kamerik	11.7%	3,980	+2.6 pp	Other Asia
3474 Zegveld	12.0%	2,455	+1.9 pp	Other Asia
3652 Woerdense Verlaat	15.7%	635	+7.1 pp	Poland
3653 Woerdense Verlaat	0.0%	40	±0.0 pp	–

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	Indonesia	Germany	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
1998	155	150	5	0	0	0	0	0	0	0	0	0	5	0
1999	155	150	0	5	5	0	0	0	5	0	5	0	5	0
2000	155	145	5	0	0	0	0	5	0	0	0	0	5	0
2001	145	145	5	5	5	0	0	0	5	0	5	0	5	0
2002	150	145	5	0	5	0	5	0	0	0	0	0	5	0
2003	155	150	5	0	0	0	5	5	0	0	0	0	5	5
2004	150	145	5	0	0	0	0	0	0	0	0	0	5	0
2005	145	140	5	5	5	0	0	5	0	0	5	0	5	0
2006	140	130	5	5	5	0	5	0	5	0	0	0	5	0
2007	140	130	0	5	5	0	0	5	0	0	5	0	5	0
2008	135	130	5	0	0	0	0	0	0	0	0	0	5	0
2009	130	130	5	0	5	0	5	0	0	0	0	0	0	0
2010	140	135	5	5	0	0	5	0	5	0	0	0	5	0
2011	135	135	5	5	5	0	5	0	5	0	0	0	5	0
2012	130	125	5	0	5	0	5	0	0	0	0	0	5	0
2013	135	125	5	5	0	0	0	0	5	0	0	0	5	0
2014	135	125	10	0	10	5	5	0	0	0	0	0	5	5
2015	130	120	10	5	5	0	0	0	5	0	5	0	5	0
2016	135	125	10	5	0	0	5	0	5	0	0	0	5	5
2017	140	130	10	0	10	5	5	0	0	0	0	0	5	5
2018	145	130	15	0	15	5	5	0	0	5	0	0	5	10
2019	145	135	10	0	5	5	0	0	0	0	0	0	5	5
2020	145	140	5	0	10	5	5	0	0	0	0	0	5	5
2021	140	130	10	0	10	5	5	0	0	5	0	0	5	10
2022	140	135	5	0	5	5	5	0	0	0	0	5	5	5
2023	145	140	10	5	5	5	0	0	5	0	0	0	5	5
2024	145	140	10	5	5	5	0	0	0	0	0	0	–	–
2025	140	130	10	5	5	5	0	0	5	0	0	5	–	–
2026	140	130	10	5	5	5	0	0	0	0	0	0	–	–

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