Postcode · Hellevoetsluis, South Holland

Postcode 3225: Neighbourhood De Kooistee

On 1 January 2026, postcode 3225 in Hellevoetsluis (De Kooistee) had 8,085 residents. 27.4% of them (2,215 people) have a migration background: they were born abroad or have at least one parent who was. That is higher than Hellevoetsluis (24.0%) and lower than the national average (29.1%). The largest origin groups are other Asia (5.1%), other Europe (4.3%) and Dutch Caribbean (3.1%). 53.7% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.5 percentage points.

Residents: 8,085 on 1 January 2026
Migration background: 27.4% 2,215 people
Born abroad: 53.7% of those with a migration background
Change since 2022: +2.5 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

73% 27%

Dutch origin 72.5% 5,865
Migration background 27.4% 2,215

Largest origin groups

Bars show each group’s share of all residents of 3225. For comparison, the line marks Hellevoetsluis and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

5.1% 410 people

Hellevoetsluis 3.6% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

4.3% 350 people

Hellevoetsluis 4.6% Netherlands 5.6%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

3.1% 250 people

Hellevoetsluis 2.2% Netherlands 1.1%
Suriname

2.6% 210 people

Hellevoetsluis 1.6% Netherlands 2.0%
Other Africa Africa excluding Morocco

2.4% 195 people

Hellevoetsluis 1.7% Netherlands 2.3%
Turkey

2.2% 175 people

Hellevoetsluis 2.8% Netherlands 2.6%
Poland

2.2% 175 people

Hellevoetsluis 1.3% Netherlands 1.4%
Indonesia

1.7% 140 people

Hellevoetsluis 2.1% Netherlands 1.9%
Germany

1.4% 110 people

Hellevoetsluis 1.7% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.3% 105 people

Hellevoetsluis 1.4% Netherlands 1.7%
Morocco

0.87% 70 people

Hellevoetsluis 0.61% Netherlands 2.4%
Belgium

0.37% 30 people

Hellevoetsluis 0.37% Netherlands 0.76%

First and second generation

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

54% 46%

Born abroad (first generation) 53.7% 1,190
Born in the Netherlands (second generation) 46.3% 1,025

Men and women

Men: 4,045
Women: 4,040

Compared with all postcodes

Netherlands 29.1% 3225 27.4%

Higher than 71% 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

27.4%

3225
Hellevoetsluis
Netherlands

Show as table

Year	3225	Hellevoetsluis	Netherlands
1998	18.4%	15.7%	16.7%
1999	18.3%	15.9%	17.1%
2000	18.6%	16.0%	17.5%
2001	18.8%	16.6%	18.0%
2002	18.8%	16.9%	18.4%
2003	18.3%	17.0%	18.8%
2004	18.5%	17.4%	19.0%
2005	18.8%	17.2%	19.2%
2006	19.0%	17.0%	19.3%
2007	18.9%	16.4%	19.4%
2008	19.1%	16.5%	19.6%
2009	18.8%	16.7%	19.9%
2010	19.0%	17.0%	20.3%
2011	19.3%	17.5%	20.6%
2012	19.8%	17.6%	20.9%
2013	19.3%	17.3%	21.1%
2014	18.8%	17.3%	21.4%
2015	19.1%	17.4%	21.7%
2016	19.6%	17.7%	22.1%
2017	20.0%	18.0%	22.6%
2018	20.7%	18.4%	23.1%
2019	21.8%	19.0%	23.6%
2020	22.8%	19.4%	24.2%
2021	23.6%	19.9%	24.6%
2022	24.9%	21.1%	26.0%
2023	25.8%	22.1%	27.1%
2024	26.2%	22.6%	27.9%
2025	26.9%	23.2%	28.5%
2026	27.4%	24.0%	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
3223 Den Bonsen Hoek, Ravense Hoek	15.3%	13,450	+1.6 pp	Other Europe
3224 De Struyten	26.2%	8,620	+2.1 pp	Other Europe
3225 De Kooistee	27.4%	8,085	+2.5 pp	Other Asia
3227 Oudenhoorn	12.9%	1,595	+1.5 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	8,550	6,985	1,570	505	1,060	35	25	240	245	220	185	25	50	245	75	130	90	780	785
1999	8,820	7,215	1,610	520	1,090	30	30	245	245	225	195	25	35	265	70	155	90	800	810
2000	8,855	7,205	1,650	525	1,130	45	30	255	245	250	190	30	35	270	70	140	95	805	850
2001	8,900	7,220	1,675	555	1,125	50	25	250	235	240	190	30	40	295	75	155	95	820	855
2002	8,870	7,200	1,670	560	1,110	55	30	235	235	245	195	30	40	295	75	140	95	830	845
2003	8,835	7,215	1,620	565	1,050	50	25	230	220	235	195	30	40	300	80	120	90	820	800
2004	8,850	7,210	1,640	570	1,070	55	30	225	225	230	185	30	45	310	85	140	80	830	810
2005	8,785	7,130	1,650	590	1,065	60	35	225	225	225	185	40	40	325	65	150	80	850	800
2006	8,725	7,065	1,655	590	1,070	65	35	225	230	215	180	40	45	325	65	165	70	855	805
2007	8,650	7,015	1,635	595	1,035	70	35	220	215	210	190	40	40	325	65	155	65	850	780
2008	8,515	6,895	1,625	590	1,035	80	30	200	210	220	185	40	40	325	75	155	65	830	795
2009	8,390	6,815	1,575	565	1,010	75	25	200	210	205	175	45	35	310	80	150	65	805	775
2010	8,380	6,785	1,595	575	1,020	75	25	205	205	215	175	40	35	325	80	155	60	815	780
2011	8,395	6,775	1,620	570	1,050	80	25	205	205	220	165	60	35	310	85	160	70	810	810
2012	8,330	6,680	1,650	610	1,040	85	30	195	200	205	165	95	30	320	75	170	80	845	810
2013	8,280	6,680	1,600	575	1,025	90	20	195	190	205	160	75	30	310	70	175	80	795	805
2014	8,240	6,695	1,545	540	1,005	90	20	180	185	195	150	70	25	295	75	175	85	760	785
2015	8,210	6,640	1,570	545	1,020	85	20	190	180	190	145	65	30	305	90	180	85	765	805
2016	8,195	6,590	1,605	560	1,045	85	25	190	175	185	160	75	30	295	90	210	85	770	835
2017	8,175	6,540	1,635	565	1,070	90	30	180	170	185	150	80	30	305	105	210	100	780	860
2018	8,170	6,480	1,690	570	1,120	90	30	185	165	200	140	90	25	315	110	235	105	770	915
2019	8,200	6,415	1,785	600	1,185	105	45	190	160	205	140	110	30	320	120	255	105	795	990
2020	8,150	6,295	1,855	605	1,250	115	55	200	160	205	135	125	30	315	135	275	105	805	1,055
2021	8,060	6,160	1,900	640	1,255	110	60	190	155	210	130	150	25	335	150	285	95	830	1,070
2022	8,070	6,065	2,010	655	1,350	135	60	190	155	220	140	160	30	330	160	320	110	845	1,135
2023	8,120	6,025	2,095	640	1,450	155	65	205	145	235	130	155	35	330	175	370	110	820	1,240
2024	8,055	5,945	2,110	660	1,450	150	70	200	145	235	130	165	30	335	180	360	115	–	–
2025	8,065	5,895	2,170	680	1,490	160	60	205	140	250	125	170	35	350	175	385	110	–	–
2026	8,085	5,865	2,215	665	1,550	175	70	210	140	250	110	175	30	350	195	410	105	–	–

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