Postcode · Werkendam, North Brabant

Postcode 4251: Migration background and origin

On 1 January 2026, postcode 4251 in Werkendam had 11,970 residents. 11.6% of them (1,385 people) have a migration background: they were born abroad or have at least one parent who was. That is about the same as the municipality of Altena (11.8%) and lower than the national average (29.1%). The largest origin groups are other Europe (3.4%), other Asia (3.0%) and Poland (1.2%). 67.9% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 4.0 percentage points.

Residents: 11,970 on 1 January 2026
Migration background: 11.6% 1,385 people
Born abroad: 67.9% of those with a migration background
Change since 2022: +4.0 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

88%

Dutch origin 88.4% 10,585
Migration background 11.6% 1,385

Largest origin groups

Bars show each group’s share of all residents of 4251. For comparison, the line marks Altena and the circle the Netherlands.

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

3.4% 405 people

Altena 3.1% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

3.0% 365 people

Altena 2.6% Netherlands 5.3%
Poland

1.2% 140 people

Altena 1.6% Netherlands 1.4%
Other Africa Africa excluding Morocco

0.71% 85 people

Altena 0.91% Netherlands 2.3%
Belgium

0.58% 70 people

Altena 0.47% Netherlands 0.76%
Indonesia

0.54% 65 people

Altena 0.87% Netherlands 1.9%
Germany

0.54% 65 people

Altena 0.65% Netherlands 1.9%
Turkey

0.42% 50 people

Altena 0.30% Netherlands 2.6%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.42% 50 people

Altena 0.59% Netherlands 1.7%
Suriname

0.25% 30 people

Altena 0.25% Netherlands 2.0%
Morocco

0.21% 25 people

Altena 0.16% Netherlands 2.4%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.21% 25 people

Altena 0.21% Netherlands 1.1%

First and second generation

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

68% 32%

Born abroad (first generation) 67.9% 940
Born in the Netherlands (second generation) 31.8% 440

Men and women

Men: 5,945
Women: 6,025

Compared with all postcodes

Netherlands 29.1% 4251 11.6%

Higher than 27% 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

11.6%

4251
Altena
Netherlands

Show as table

Year	4251	Altena	Netherlands
1998	2.9%	3.9%	16.7%
1999	3.3%	4.0%	17.1%
2000	3.3%	4.0%	17.5%
2001	3.6%	4.4%	18.0%
2002	4.1%	4.7%	18.4%
2003	3.4%	4.7%	18.8%
2004	3.2%	4.4%	19.0%
2005	3.3%	4.4%	19.2%
2006	3.3%	4.6%	19.3%
2007	3.4%	4.6%	19.4%
2008	3.4%	4.7%	19.6%
2009	3.6%	4.8%	19.9%
2010	3.7%	5.0%	20.3%
2011	3.8%	5.1%	20.6%
2012	4.0%	5.3%	20.9%
2013	4.1%	5.4%	21.1%
2014	4.3%	5.4%	21.4%
2015	4.4%	5.6%	21.7%
2016	4.8%	5.9%	22.1%
2017	5.2%	6.2%	22.6%
2018	5.6%	6.6%	23.1%
2019	6.1%	7.0%	23.6%
2020	6.3%	7.5%	24.2%
2021	6.6%	7.9%	24.6%
2022	7.6%	8.9%	26.0%
2023	9.0%	9.9%	27.1%
2024	9.8%	10.8%	27.9%
2025	11.0%	11.3%	28.5%
2026	11.6%	11.8%	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
4251 Werkendam	11.6%	11,970	+4.0 pp	Other Europe
4254 Sleeuwijk west, Sleeuwijk oost	11.5%	6,185	+2.2 pp	Other Europe
3313 Staart	44.0%	6,005	+1.2 pp	Turkey
3372 Boven Hardinxveld	11.5%	4,870	+2.9 pp	Other Asia
4273 Hank	12.5%	4,390	+2.3 pp	Other Asia
4926 Die Swaluw	16.4%	4,305	+2.2 pp	Other Asia
4286 Almkerk oost, Almkerk west	9.3%	3,810	+2.4 pp	Other Asia
4255 Nieuwendijk	10.6%	3,775	+3.1 pp	Other Asia
3329 Dubbeldam	12.6%	2,185	+0.2 pp	Indonesia
4924 Centrum, Drimmelen havens	10.6%	520	+2.5 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	10,655	10,340	310	145	165	10	0	10	60	10	50	10	45	40	15	50	10	205	110
1999	10,775	10,415	360	155	205	10	0	5	60	10	45	10	50	50	20	85	15	225	140
2000	10,800	10,440	360	165	200	10	5	10	60	10	50	10	45	60	15	75	15	225	135
2001	10,945	10,550	395	170	225	15	0	10	60	10	50	10	50	60	25	85	20	240	155
2002	11,090	10,640	450	210	250	10	0	10	65	15	50	10	50	100	35	100	15	275	175
2003	11,150	10,770	375	175	210	15	0	5	60	15	50	10	50	65	25	70	20	245	130
2004	11,170	10,810	360	170	190	10	0	5	65	15	55	10	50	55	20	55	20	240	120
2005	11,190	10,820	370	180	195	10	5	5	65	15	45	15	55	65	15	60	20	245	125
2006	11,245	10,870	375	175	210	15	0	5	65	15	50	15	50	60	25	65	20	245	130
2007	11,270	10,890	380	180	195	10	5	10	60	15	45	15	50	70	20	70	5	250	135
2008	11,320	10,930	390	195	200	15	5	5	60	15	45	15	55	80	20	65	15	260	130
2009	11,255	10,855	400	195	205	10	5	5	60	15	45	10	55	85	25	70	15	255	140
2010	11,230	10,820	415	195	220	10	5	5	60	15	45	15	55	80	30	75	20	260	155
2011	11,255	10,830	425	205	225	15	5	5	55	15	40	25	60	80	30	80	20	270	160
2012	11,270	10,810	455	215	240	15	5	5	60	15	45	35	55	80	30	90	20	285	170
2013	11,295	10,830	465	210	255	15	5	5	60	20	45	30	50	85	35	95	20	280	185
2014	11,270	10,785	485	225	255	15	5	5	55	10	40	45	55	85	35	105	25	295	185
2015	11,215	10,725	490	240	255	15	5	5	55	10	40	60	55	85	30	105	30	305	185
2016	11,195	10,660	535	260	270	10	10	0	55	20	45	65	55	95	35	115	25	325	205
2017	11,240	10,660	580	270	310	15	5	5	55	20	40	75	55	100	50	135	25	345	235
2018	11,290	10,655	635	290	345	15	10	5	55	20	40	80	65	105	55	160	25	365	275
2019	11,355	10,665	690	315	375	20	15	15	55	20	35	105	65	110	55	170	25	385	305
2020	11,295	10,585	710	335	375	20	15	10	60	25	40	115	65	115	55	160	30	410	300
2021	11,215	10,480	735	335	405	25	10	10	60	25	45	115	65	110	65	180	30	415	320
2022	11,280	10,420	855	365	495	35	10	10	60	30	55	125	70	115	75	240	35	440	360
2023	11,495	10,465	1,035	495	540	35	15	10	65	25	55	125	75	240	85	270	40	570	405
2024	11,575	10,445	1,135	540	595	45	15	10	60	30	60	125	70	285	80	315	40	–	–
2025	11,875	10,565	1,305	630	675	55	25	25	65	30	60	125	70	370	80	350	50	–	–
2026	11,970	10,585	1,385	685	700	50	25	30	65	25	65	140	70	405	85	365	50	–	–

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