Postcode · Zierikzee, Zeeland

Postcode 4303: Neighbourhood Kaaskenswater

On 1 January 2026, postcode 4303 in Zierikzee (Kaaskenswater) had 1,300 residents. 8.1% of them (105 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Zierikzee (16.1%) and lower than the national average (29.1%). The largest origin groups are other Europe (1.5%), Indonesia (1.2%) and Germany (1.2%). 33.3% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.1 percentage points.

Residents: 1,300 on 1 January 2026
Migration background: 8.1% 105 people
Born abroad: 33.3% of those with a migration background
Change since 2022: +1.1 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

92%

Dutch origin 91.5% 1,190
Migration background 8.1% 105

Largest origin groups

Bars show each group’s share of all residents of 4303. For comparison, the line marks Zierikzee and the circle the Netherlands.

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

1.5% 20 people

Zierikzee 4.7% Netherlands 5.6%
Indonesia

1.2% 15 people

Zierikzee 1.0% Netherlands 1.9%
Germany

1.2% 15 people

Zierikzee 1.6% Netherlands 1.9%
Other Asia Asia excluding Indonesia and Turkey

1.2% 15 people

Zierikzee 3.2% Netherlands 5.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.2% 15 people

Zierikzee 0.87% Netherlands 1.7%
Other Africa Africa excluding Morocco

0.77% 10 people

Zierikzee 1.9% Netherlands 2.3%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.38% 5 people

Zierikzee 0.33% Netherlands 1.1%
Poland

0.38% 5 people

Zierikzee 1.0% Netherlands 1.4%
Belgium

0.38% 5 people

Zierikzee 0.71% Netherlands 0.76%
Turkey

0.0% 0 people

Zierikzee 0.37% Netherlands 2.6%
Morocco

0.0% 0 people

Zierikzee 0.12% Netherlands 2.4%
Suriname

0.0% 0 people

Zierikzee 0.41% Netherlands 2.0%

First and second generation

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

33% 67%

Born abroad (first generation) 33.3% 35
Born in the Netherlands (second generation) 66.7% 70

Men and women

Men: 640
Women: 655

Compared with all postcodes

Netherlands 29.1% 4303 8.1%

Higher than 12% 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

8.1%

4303
Zierikzee
Netherlands

Show as table

Year	4303	Zierikzee	Netherlands
1998	–	7.7%	16.7%
1999	–	8.3%	17.1%
2000	11.1%	8.3%	17.5%
2001	4.2%	8.8%	18.0%
2002	6.7%	9.6%	18.4%
2003	9.4%	9.8%	18.8%
2004	9.4%	9.3%	19.0%
2005	6.5%	9.6%	19.2%
2006	10.0%	9.8%	19.3%
2007	9.7%	9.5%	19.4%
2008	9.7%	9.5%	19.6%
2009	9.7%	9.9%	19.9%
2010	6.2%	10.2%	20.3%
2011	6.8%	10.2%	20.6%
2012	7.4%	10.2%	20.9%
2013	7.9%	10.3%	21.1%
2014	7.4%	10.6%	21.4%
2015	7.9%	10.8%	21.7%
2016	8.3%	11.0%	22.1%
2017	7.9%	11.2%	22.6%
2018	7.5%	11.3%	23.1%
2019	7.5%	11.3%	23.6%
2020	7.0%	11.7%	24.2%
2021	7.0%	11.9%	24.6%
2022	6.9%	13.0%	26.0%
2023	7.2%	15.2%	27.1%
2024	6.7%	16.1%	27.9%
2025	7.3%	15.9%	28.5%
2026	8.1%	16.1%	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
4301 Zierikzee binnen de vesten, Poortambacht	17.9%	9,535	+3.7 pp	Other Europe
4317 Schuddebeurs	12.0%	750	+0.4 pp	Poland

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	Suriname	Indonesia	Dutch Caribbean	Germany	Poland	Belgium	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
2000	45	45	5	0	0	0	0	0	0	0	0	0	0	0	0	0	0
2001	120	120	5	5	5	0	5	0	0	0	0	5	0	0	0	5	5
2002	150	145	10	5	5	0	0	0	0	0	5	0	0	5	0	5	5
2003	160	145	15	0	10	0	0	0	0	0	0	0	0	10	0	5	10
2004	160	145	15	5	15	0	5	0	0	0	0	5	0	10	0	5	10
2005	155	140	10	0	10	0	5	0	0	0	0	0	0	5	0	5	10
2006	150	135	15	0	10	0	0	0	5	0	0	0	0	10	0	5	10
2007	155	140	15	5	10	0	5	0	0	0	5	0	0	5	0	5	10
2008	155	135	15	0	10	0	5	0	0	0	0	0	0	5	0	5	10
2009	155	145	15	5	10	0	0	0	0	0	0	5	0	10	0	5	10
2010	325	300	20	5	20	0	5	0	5	0	5	0	0	10	5	15	10
2011	440	405	30	10	20	0	10	0	5	0	0	5	0	5	5	20	10
2012	610	570	45	20	25	0	5	0	10	0	5	5	0	10	10	35	15
2013	700	645	55	25	35	0	10	0	10	0	5	10	5	10	10	40	10
2014	740	685	55	30	25	0	10	0	15	0	5	10	0	5	10	45	10
2015	760	700	60	35	25	5	10	0	15	0	5	15	0	10	0	45	15
2016	785	720	65	35	25	0	10	0	15	0	5	15	0	5	10	50	15
2017	820	755	65	35	30	0	10	0	10	5	5	15	0	10	10	45	20
2018	935	865	70	40	35	0	10	0	20	0	5	15	5	10	10	55	15
2019	1,005	930	75	45	30	0	10	0	20	0	5	20	5	10	5	55	15
2020	1,070	995	75	40	35	0	10	0	20	0	5	15	0	15	10	55	20
2021	1,135	1,055	80	40	40	0	10	0	20	5	5	10	5	15	10	55	25
2022	1,225	1,140	85	40	50	0	15	5	20	0	5	15	5	15	10	55	25
2023	1,245	1,160	90	40	45	0	15	5	20	0	0	15	5	15	10	55	25
2024	1,260	1,175	85	40	50	0	10	5	15	5	5	15	5	15	10	–	–
2025	1,240	1,155	90	40	50	0	10	5	15	5	5	15	5	15	10	–	–
2026	1,300	1,190	105	45	60	0	15	5	15	5	5	20	10	15	15	–	–

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