Postcode · Achthuizen, South Holland

Postcode 3256: Migration background and origin

On 1 January 2026, postcode 3256 in Achthuizen had 1,100 residents. 13.2% of them (145 people) have a migration background: they were born abroad or have at least one parent who was. That is higher than the municipality of Goeree-Overflakkee (11.1%) and lower than the national average (29.1%). The largest origin groups are Poland (2.7%), Germany (1.4%) and other Europe (1.4%). 58.6% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.3 percentage points.

Residents: 1,100 on 1 January 2026
Migration background: 13.2% 145 people
Born abroad: 58.6% of those with a migration background
Change since 2022: +2.3 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

87%

Dutch origin 86.8% 955
Migration background 13.2% 145

Largest origin groups

Bars show each group’s share of all residents of 3256. For comparison, the line marks Goeree-Overflakkee and the circle the Netherlands.

Poland

2.7% 30 people

Goeree-Overflakkee 1.0% Netherlands 1.4%
Germany

1.4% 15 people

Goeree-Overflakkee 0.84% Netherlands 1.9%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

1.4% 15 people

Goeree-Overflakkee 2.6% Netherlands 5.6%
Other Africa Africa excluding Morocco

1.4% 15 people

Goeree-Overflakkee 1.2% Netherlands 2.3%
Other Asia Asia excluding Indonesia and Turkey

1.4% 15 people

Goeree-Overflakkee 2.5% Netherlands 5.3%
Turkey

0.91% 10 people

Goeree-Overflakkee 0.30% Netherlands 2.6%
Suriname

0.91% 10 people

Goeree-Overflakkee 0.45% Netherlands 2.0%
Indonesia

0.91% 10 people

Goeree-Overflakkee 0.86% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.91% 10 people

Goeree-Overflakkee 0.28% Netherlands 1.1%
Belgium

0.45% 5 people

Goeree-Overflakkee 0.35% Netherlands 0.76%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.45% 5 people

Goeree-Overflakkee 0.61% Netherlands 1.7%
Morocco

0.0% 0 people

Goeree-Overflakkee 0.12% Netherlands 2.4%

First and second generation

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

59% 41%

Born abroad (first generation) 58.6% 85
Born in the Netherlands (second generation) 41.4% 60

Men and women

Men: 570
Women: 530

Compared with all postcodes

Netherlands 29.1% 3256 13.2%

Higher than 34% 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

13.2%

3256
Goeree-Overflakkee
Netherlands

Show as table

Year	3256	Goeree-Overflakkee	Netherlands
1998	2.4%	4.0%	16.7%
1999	2.8%	4.1%	17.1%
2000	3.3%	4.2%	17.5%
2001	3.6%	4.3%	18.0%
2002	3.7%	4.4%	18.4%
2003	3.7%	4.4%	18.8%
2004	3.3%	4.4%	19.0%
2005	3.8%	4.6%	19.2%
2006	3.8%	4.8%	19.3%
2007	4.6%	4.7%	19.4%
2008	5.0%	4.8%	19.6%
2009	5.8%	4.8%	19.9%
2010	5.9%	5.0%	20.3%
2011	5.9%	5.1%	20.6%
2012	6.3%	5.3%	20.9%
2013	6.4%	5.4%	21.1%
2014	6.8%	5.5%	21.4%
2015	7.5%	5.5%	21.7%
2016	7.7%	5.7%	22.1%
2017	8.5%	5.9%	22.6%
2018	9.1%	6.4%	23.1%
2019	9.5%	6.7%	23.6%
2020	10.1%	7.0%	24.2%
2021	9.3%	7.3%	24.6%
2022	10.9%	8.2%	26.0%
2023	11.6%	9.1%	27.1%
2024	11.8%	9.7%	27.9%
2025	13.0%	10.2%	28.5%
2026	13.2%	11.1%	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
3255 Oude-Tonge centrum	12.1%	5,330	+2.1 pp	Other Europe
3257 Ooltgensplaat	12.3%	2,770	+2.5 pp	Poland
3258 Den Bommel	11.7%	1,755	+1.8 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	1,235	1,200	30	15	10	0	0	0	10	0	10	0	0	5	0	0	0	30	0
1999	1,235	1,200	35	20	15	0	0	0	10	0	10	5	0	5	0	0	5	30	5
2000	1,225	1,185	40	15	25	5	0	0	10	0	15	0	0	0	5	0	5	30	5
2001	1,235	1,185	45	20	25	5	5	0	10	0	15	5	0	0	0	0	5	35	10
2002	1,215	1,175	45	20	25	5	0	0	10	0	15	5	5	0	5	0	5	35	10
2003	1,215	1,170	45	25	20	0	5	5	10	0	10	0	0	15	0	0	0	35	10
2004	1,205	1,160	40	20	20	0	0	5	5	0	10	0	0	10	5	5	0	30	15
2005	1,200	1,155	45	25	20	0	5	0	10	0	15	0	0	10	0	0	5	35	10
2006	1,190	1,140	45	15	40	5	0	0	10	0	15	0	0	0	10	5	10	40	15
2007	1,185	1,130	55	30	25	0	0	5	15	0	20	0	5	5	5	0	0	45	15
2008	1,205	1,145	60	30	20	0	0	0	10	0	15	5	5	5	5	0	5	45	10
2009	1,205	1,135	70	30	40	5	0	5	10	5	15	0	5	10	10	0	5	45	20
2010	1,190	1,115	70	40	30	0	0	5	15	5	15	10	0	15	5	0	0	50	25
2011	1,180	1,110	70	40	35	0	0	5	10	5	15	5	5	15	10	0	5	50	25
2012	1,185	1,105	75	30	50	5	5	5	5	5	15	10	0	5	20	5	0	40	35
2013	1,180	1,105	75	25	55	5	0	0	10	5	15	5	0	5	20	0	15	45	35
2014	1,170	1,090	80	30	50	5	0	5	15	5	15	5	5	5	20	0	5	45	35
2015	1,135	1,050	85	40	45	5	0	0	10	5	15	15	0	10	15	0	10	50	30
2016	1,110	1,025	85	45	45	0	0	5	10	5	20	10	0	15	15	10	0	50	35
2017	1,120	1,025	95	35	60	5	0	5	15	5	10	10	5	10	10	20	0	50	45
2018	1,100	1,000	100	40	60	5	5	5	15	5	10	15	0	15	15	10	0	55	50
2019	1,105	1,000	105	50	55	5	0	5	10	5	15	15	5	15	15	10	5	60	45
2020	1,085	975	110	55	50	0	0	5	10	0	10	15	5	25	20	15	0	60	45
2021	1,075	975	100	45	55	5	0	5	5	0	15	20	5	5	15	20	5	55	45
2022	1,105	985	120	65	55	0	0	5	10	0	15	25	5	15	15	20	5	70	50
2023	1,120	990	130	60	70	10	0	10	10	5	15	25	10	10	15	20	0	65	60
2024	1,100	970	130	60	70	5	0	10	10	5	15	25	5	15	10	20	5	–	–
2025	1,115	975	145	70	75	10	0	15	10	5	15	30	10	15	10	20	5	–	–
2026	1,100	955	145	65	80	10	0	10	10	10	15	30	5	15	15	15	5	–	–

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