Postcode · Rockanje, South Holland

Postcode 3235: Neighbourhood Zuidhoek

On 1 January 2026, postcode 3235 in Rockanje (Zuidhoek) had 6,550 residents. 14.4% of them (940 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Voorne aan Zee (20.7%) and lower than the national average (29.1%). The largest origin groups are other Europe (3.2%), other Asia (2.4%) and Indonesia (1.8%). 50.0% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.5 percentage points.

Residents: 6,550 on 1 January 2026
Migration background: 14.4% 940 people
Born abroad: 50.0% of those with a migration background
Change since 2022: +1.5 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

86% 14%

Dutch origin 85.6% 5,610
Migration background 14.4% 940

Largest origin groups

Bars show each group’s share of all residents of 3235. For comparison, the line marks Voorne aan Zee and the circle the Netherlands.

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

3.2% 210 people

Voorne aan Zee 4.5% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

2.4% 155 people

Voorne aan Zee 3.1% Netherlands 5.3%
Indonesia

1.8% 120 people

Voorne aan Zee 2.0% Netherlands 1.9%
Germany

1.5% 100 people

Voorne aan Zee 1.7% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

1.1% 70 people

Voorne aan Zee 1.7% Netherlands 1.1%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.0% 65 people

Voorne aan Zee 1.3% Netherlands 1.7%
Other Africa Africa excluding Morocco

0.76% 50 people

Voorne aan Zee 1.4% Netherlands 2.3%
Poland

0.69% 45 people

Voorne aan Zee 1.2% Netherlands 1.4%
Suriname

0.61% 40 people

Voorne aan Zee 1.2% Netherlands 2.0%
Belgium

0.53% 35 people

Voorne aan Zee 0.42% Netherlands 0.76%
Turkey

0.38% 25 people

Voorne aan Zee 1.8% Netherlands 2.6%
Morocco

0.31% 20 people

Voorne aan Zee 0.45% Netherlands 2.4%

First and second generation

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

50% 49%

Born abroad (first generation) 50.0% 470
Born in the Netherlands (second generation) 49.5% 465

Men and women

Men: 3,265
Women: 3,285

Compared with all postcodes

Netherlands 29.1% 3235 14.4%

Higher than 39% 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

14.4%

3235
Voorne aan Zee
Netherlands

Show as table

Year	3235	Voorne aan Zee	Netherlands
1998	8.4%	12.9%	16.7%
1999	8.4%	13.0%	17.1%
2000	8.9%	13.2%	17.5%
2001	9.0%	13.5%	18.0%
2002	9.4%	13.8%	18.4%
2003	9.1%	13.9%	18.8%
2004	8.3%	14.1%	19.0%
2005	8.2%	14.0%	19.2%
2006	8.3%	13.9%	19.3%
2007	8.3%	13.7%	19.4%
2008	8.4%	13.7%	19.6%
2009	8.6%	13.9%	19.9%
2010	9.3%	14.5%	20.3%
2011	9.3%	14.8%	20.6%
2012	9.2%	14.7%	20.9%
2013	9.6%	14.6%	21.1%
2014	9.5%	14.7%	21.4%
2015	9.7%	14.9%	21.7%
2016	10.0%	15.1%	22.1%
2017	10.0%	15.3%	22.6%
2018	10.4%	15.7%	23.1%
2019	10.8%	16.1%	23.6%
2020	10.7%	16.5%	24.2%
2021	11.3%	16.9%	24.6%
2022	12.8%	18.1%	26.0%
2023	14.4%	19.1%	27.1%
2024	13.9%	19.6%	27.9%
2025	13.9%	20.0%	28.5%
2026	14.4%	20.7%	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
3233 Oostvoorne	15.3%	7,955	+2.2 pp	Other Europe
3222 Nieuw-Helvoet	31.4%	4,155	+2.3 pp	Turkey
3234 Oostvoorne	13.4%	560	+4.5 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	6,695	6,130	560	295	260	5	0	0	125	25	125	10	25	135	15	50	40	445	110
1999	6,690	6,130	565	290	285	10	0	5	120	25	125	5	25	135	30	60	35	435	130
2000	6,665	6,075	595	295	300	10	0	10	120	20	120	10	30	135	25	70	45	435	155
2001	6,650	6,050	600	315	280	5	5	10	120	30	120	5	30	160	20	55	35	455	145
2002	6,720	6,080	635	305	330	10	0	10	130	25	115	10	25	155	40	70	45	460	175
2003	6,680	6,070	610	305	300	10	5	10	115	25	120	5	25	155	35	65	35	440	175
2004	6,590	6,040	545	270	270	10	0	10	115	25	115	5	20	130	30	45	35	400	145
2005	6,560	6,020	540	250	290	10	0	15	110	30	110	5	20	115	30	50	45	390	150
2006	6,525	5,985	540	250	290	10	5	15	120	30	110	5	20	115	25	50	35	385	150
2007	6,485	5,950	540	250	295	5	0	10	120	30	105	5	20	120	35	45	50	385	155
2008	6,455	5,915	540	245	300	5	5	15	120	35	105	5	20	115	30	50	40	380	160
2009	6,380	5,830	550	255	295	5	5	15	110	35	105	10	20	120	30	60	35	380	170
2010	6,315	5,725	585	290	295	5	0	15	115	35	100	15	25	150	35	55	35	430	155
2011	6,215	5,635	575	295	290	5	5	10	120	30	105	10	20	160	30	50	40	430	150
2012	6,195	5,625	570	270	290	10	10	15	115	35	105	15	25	125	30	45	30	405	165
2013	6,135	5,545	590	275	320	10	10	25	115	25	95	15	25	140	45	45	45	405	180
2014	6,105	5,525	580	265	315	10	10	20	115	30	90	20	25	130	45	50	35	395	185
2015	6,170	5,570	600	265	335	10	10	25	120	30	85	25	25	130	40	65	35	395	200
2016	6,205	5,585	620	275	345	10	5	25	115	25	90	30	25	130	45	80	40	415	205
2017	6,185	5,565	620	290	330	5	5	20	110	30	90	25	30	145	40	80	40	410	205
2018	6,270	5,620	650	300	350	5	5	20	115	30	90	30	30	150	40	90	45	435	220
2019	6,340	5,655	685	320	360	5	10	25	110	30	95	35	30	160	45	85	50	450	230
2020	6,400	5,715	685	325	355	5	5	30	105	35	95	35	30	165	45	85	45	455	225
2021	6,525	5,790	735	340	390	15	10	30	105	50	105	45	25	165	45	90	45	465	270
2022	6,550	5,705	840	365	475	15	5	30	125	60	115	45	35	170	45	125	65	480	295
2023	6,630	5,675	955	435	515	15	10	35	125	70	115	50	35	235	50	140	70	550	330
2024	6,605	5,680	920	420	500	15	5	35	125	65	110	55	35	220	50	140	65	–	–
2025	6,535	5,625	910	395	515	20	5	35	125	70	100	50	30	210	50	150	60	–	–
2026	6,550	5,610	940	395	545	25	20	40	120	70	100	45	35	210	50	155	65	–	–

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