Postcode · Oostzaan, North Holland

Postcode 1511: Neighbourhood Kerkbuurt

On 1 January 2026, postcode 1511 in Oostzaan (Kerkbuurt) had 9,780 residents. 18.5% of them (1,810 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than North Holland (39.4%) and lower than the national average (29.1%). The largest origin groups are other Europe (4.8%), other Asia (4.0%) and Indonesia (1.5%). 51.7% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.7 percentage points.

Residents: 9,780 on 1 January 2026
Migration background: 18.5% 1,810 people
Born abroad: 51.7% of those with a migration background
Change since 2022: +2.7 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

81% 19%

Dutch origin 81.4% 7,965
Migration background 18.5% 1,810

Largest origin groups

Bars show each group’s share of all residents of 1511. For comparison, the line marks North Holland and the circle the Netherlands.

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

4.8% 465 people

North Holland 8.6% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

4.0% 395 people

North Holland 6.9% Netherlands 5.3%
Indonesia

1.5% 150 people

North Holland 2.3% Netherlands 1.9%
Other Africa Africa excluding Morocco

1.5% 145 people

North Holland 3.3% Netherlands 2.3%
Turkey

1.4% 140 people

North Holland 3.4% Netherlands 2.6%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.3% 125 people

North Holland 3.2% Netherlands 1.7%
Suriname

1.2% 120 people

North Holland 3.3% Netherlands 2.0%
Germany

1.1% 105 people

North Holland 1.8% Netherlands 1.9%
Morocco

0.72% 70 people

North Holland 4.0% Netherlands 2.4%
Belgium

0.46% 45 people

North Holland 0.54% Netherlands 0.76%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.31% 30 people

North Holland 1.0% Netherlands 1.1%
Poland

0.26% 25 people

North Holland 1.1% Netherlands 1.4%

First and second generation

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

52% 49%

Born abroad (first generation) 51.7% 935
Born in the Netherlands (second generation) 48.6% 880

Men and women

Men: 4,820
Women: 4,960

Compared with all postcodes

Netherlands 29.1% 1511 18.5%

Higher than 52% 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

18.5%

1511
North Holland
Netherlands

Show as table

Year	1511	North Holland	Netherlands
1998	8.2%	23.1%	16.7%
1999	8.5%	23.6%	17.1%
2000	9.0%	24.1%	17.5%
2001	9.2%	24.7%	18.0%
2002	9.3%	25.2%	18.4%
2003	9.6%	25.7%	18.8%
2004	10.0%	26.0%	19.0%
2005	9.9%	26.3%	19.2%
2006	10.1%	26.5%	19.3%
2007	10.1%	26.6%	19.4%
2008	10.5%	27.0%	19.6%
2009	10.8%	27.5%	19.9%
2010	11.0%	27.9%	20.3%
2011	11.2%	28.3%	20.6%
2012	11.2%	28.7%	20.9%
2013	11.1%	29.0%	21.1%
2014	11.4%	29.3%	21.4%
2015	11.9%	29.8%	21.7%
2016	12.5%	30.3%	22.1%
2017	13.1%	31.0%	22.6%
2018	13.5%	31.8%	23.1%
2019	13.8%	32.6%	23.6%
2020	14.5%	33.5%	24.2%
2021	14.8%	34.0%	24.6%
2022	15.8%	35.7%	26.0%
2023	16.6%	37.1%	27.1%
2024	17.4%	38.0%	27.9%
2025	18.0%	38.7%	28.5%
2026	18.5%	39.4%	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
1503 Pelders- en Hoornseveld	64.6%	11,375	+3.8 pp	Turkey
1035 Oostzanerwerf, Kadoelen	47.1%	11,090	+4.0 pp	Other Europe
1121 Oude dorp, 't Lint	24.4%	10,440	+3.3 pp	Other Europe
1504 Poelenburg	76.4%	8,260	+2.7 pp	Turkey
1505 Zuid	64.0%	7,395	+6.8 pp	Turkey
1509 Noord	23.2%	6,490	+3.2 pp	Other Europe
1456 Neck	13.8%	1,960	+0.1 pp	Other Europe
1127 Den Ilp	18.9%	845	+6.5 pp	Other Europe
1451 Purmerland	16.0%	405	+3.9 pp	Other Asia
1037 Oostzanerwerf	18.5%	135	+4.2 pp	Indonesia

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	8,585	7,880	700	320	380	30	15	55	140	15	135	0	40	145	50	60	15	480	225
1999	8,745	8,000	745	320	415	45	10	55	145	20	130	0	40	150	55	70	15	480	265
2000	8,920	8,115	805	350	455	50	15	65	145	20	140	0	45	165	60	80	20	515	290
2001	8,905	8,090	820	335	485	55	15	65	150	15	135	5	40	155	65	75	45	510	310
2002	9,065	8,220	845	355	495	60	20	80	140	20	135	5	35	180	60	85	30	515	330
2003	9,115	8,240	875	370	510	60	25	85	145	15	135	5	35	195	60	85	35	525	350
2004	9,175	8,255	920	375	550	60	25	90	150	20	135	5	35	200	70	95	40	545	380
2005	9,180	8,280	905	365	540	70	25	95	145	20	135	10	40	180	60	95	30	530	375
2006	9,200	8,270	930	370	565	70	30	90	145	20	130	10	35	195	65	105	40	540	385
2007	9,250	8,310	935	370	570	75	35	85	145	20	130	10	40	190	60	100	50	550	385
2008	9,205	8,240	965	375	590	80	35	85	145	20	130	10	40	195	60	110	55	550	410
2009	9,205	8,205	995	390	605	80	40	85	140	20	120	15	35	220	65	125	50	570	425
2010	9,150	8,140	1,010	395	615	85	40	80	145	15	120	25	35	215	65	120	65	575	440
2011	9,115	8,095	1,020	390	625	90	40	85	140	20	120	20	35	215	65	130	55	560	460
2012	9,095	8,075	1,020	380	640	90	35	85	145	15	115	15	35	215	75	135	60	555	460
2013	9,140	8,125	1,015	375	640	95	35	80	145	15	115	20	40	200	80	130	60	550	475
2014	9,140	8,100	1,040	395	645	95	40	85	140	15	115	20	35	225	75	130	65	560	480
2015	9,190	8,100	1,090	400	690	100	40	95	145	10	115	25	40	220	90	140	70	590	500
2016	9,505	8,320	1,185	430	755	110	50	105	150	15	110	35	40	245	90	160	75	620	570
2017	9,650	8,390	1,260	435	825	115	50	105	145	20	110	30	35	260	115	200	75	615	645
2018	9,735	8,420	1,315	430	885	120	55	105	145	15	110	30	35	255	120	245	80	615	700
2019	9,755	8,405	1,350	450	895	110	55	110	145	15	110	25	40	275	120	260	80	635	710
2020	9,735	8,325	1,410	450	960	110	65	120	145	20	110	25	40	275	130	285	85	635	775
2021	9,690	8,260	1,430	450	980	120	65	110	140	15	110	20	40	280	130	310	90	635	795
2022	9,640	8,120	1,525	465	1,055	120	65	120	150	20	110	30	45	280	135	335	110	645	825
2023	9,720	8,105	1,615	520	1,095	125	65	120	150	20	100	30	45	345	145	350	120	715	850
2024	9,695	8,000	1,690	545	1,150	135	65	125	155	25	100	25	45	375	130	390	120	–	–
2025	9,735	7,975	1,755	600	1,160	135	65	125	150	25	105	30	40	425	140	390	125	–	–
2026	9,780	7,965	1,810	635	1,175	140	70	120	150	30	105	25	45	465	145	395	125	–	–

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