Postcode · Oldekerk, Groningen

Postcode 9821: Migration background and origin

On 1 January 2026, postcode 9821 in Oldekerk had 1,380 residents. 3.6% of them (50 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Westerkwartier (9.9%) and lower than the national average (29.1%). The largest origin groups are other Asia (1.1%), Indonesia (0.72%) and other Africa (0.72%). 50.0% of residents with a migration background were born abroad themselves. Since 2022 the share has hardly changed.

Residents: 1,380 on 1 January 2026
Migration background: 3.6% 50 people
Born abroad: 50.0% of those with a migration background
Change since 2022: +0.3 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

97%

Dutch origin 96.7% 1,335
Migration background 3.6% 50

Largest origin groups

Bars show each group’s share of all residents of 9821. For comparison, the line marks Westerkwartier and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

1.1% 15 people

Westerkwartier 2.2% Netherlands 5.3%
Indonesia

0.72% 10 people

Westerkwartier 1.1% Netherlands 1.9%
Other Africa Africa excluding Morocco

0.72% 10 people

Westerkwartier 0.89% Netherlands 2.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

0.36% 5 people

Westerkwartier 2.2% Netherlands 5.6%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.36% 5 people

Westerkwartier 0.74% Netherlands 1.7%
Turkey

0.0% 0 people

Westerkwartier 0.29% Netherlands 2.6%
Morocco

0.0% 0 people

Westerkwartier 0.06% Netherlands 2.4%
Suriname

0.0% 0 people

Westerkwartier 0.39% Netherlands 2.0%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.0% 0 people

Westerkwartier 0.27% Netherlands 1.1%
Germany

0.0% 0 people

Westerkwartier 1.1% Netherlands 1.9%
Poland

0.0% 0 people

Westerkwartier 0.43% Netherlands 1.4%
Belgium

0.0% 0 people

Westerkwartier 0.15% Netherlands 0.76%

First and second generation

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

50% 40%

Born abroad (first generation) 50.0% 25
Born in the Netherlands (second generation) 40.0% 20

Men and women

Men: 690
Women: 690

Compared with all postcodes

Netherlands 29.1% 9821 3.6%

Higher than 1% 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

3.6%

9821
Westerkwartier
Netherlands

Show as table

Year	9821	Westerkwartier	Netherlands
1998	2.5%	5.0%	16.7%
1999	3.4%	5.1%	17.1%
2000	3.8%	5.1%	17.5%
2001	4.7%	5.5%	18.0%
2002	4.7%	6.7%	18.4%
2003	4.2%	7.0%	18.8%
2004	4.2%	6.7%	19.0%
2005	4.6%	6.2%	19.2%
2006	5.1%	5.5%	19.3%
2007	4.1%	5.5%	19.4%
2008	4.0%	5.8%	19.6%
2009	3.9%	5.8%	19.9%
2010	3.9%	5.9%	20.3%
2011	3.4%	6.0%	20.6%
2012	3.7%	6.3%	20.9%
2013	3.7%	6.5%	21.1%
2014	3.6%	6.6%	21.4%
2015	3.7%	6.5%	21.7%
2016	3.3%	6.6%	22.1%
2017	3.3%	6.9%	22.6%
2018	3.2%	7.1%	23.1%
2019	3.1%	7.2%	23.6%
2020	3.0%	7.3%	24.2%
2021	3.4%	7.5%	24.6%
2022	3.3%	8.4%	26.0%
2023	3.3%	9.1%	27.1%
2024	3.2%	9.4%	27.9%
2025	2.9%	9.6%	28.5%
2026	3.6%	9.9%	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
9801 Zuidhorn	12.1%	8,455	+2.1 pp	Other Europe
9356 Sint Maheerdt, Bebouwde kom Tolbert	12.1%	4,420	+2.2 pp	Other Asia
9843 Grijpskerk	10.6%	2,740	+2.1 pp	Other Asia
9822 Oldekerk	5.8%	1,550	+0.4 pp	Other Asia
9862 Grootegast, Lutjegast	7.4%	675	+5.9 pp	Other Europe
9362 Marum	6.3%	315	+1.6 pp	Indonesia
9359 Tolbert	0.0%	25	−20.0 pp	–

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	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
1998	1,010	990	25	10	10	0	5	0	0	0	10	0	0	5	20	0
1999	1,035	995	35	20	15	0	10	0	5	0	15	0	0	5	35	5
2000	1,055	1,015	40	25	20	5	5	0	5	0	20	0	5	5	40	5
2001	1,065	1,015	50	25	20	5	10	0	5	0	20	0	0	10	40	10
2002	1,060	1,010	50	30	25	5	5	0	5	0	25	5	0	10	40	5
2003	1,060	1,010	45	30	25	5	10	0	5	0	25	5	0	5	40	5
2004	1,065	1,020	45	25	20	5	5	0	5	0	20	0	5	5	40	5
2005	1,080	1,025	50	25	25	5	5	0	5	0	20	0	5	10	40	10
2006	1,080	1,025	55	25	30	10	10	0	5	0	20	5	0	5	40	15
2007	1,085	1,040	45	30	20	5	5	5	5	0	25	0	0	5	35	15
2008	1,130	1,080	45	25	25	0	10	0	10	0	15	5	0	10	40	5
2009	1,150	1,105	45	25	25	0	10	0	5	0	20	0	0	15	35	5
2010	1,160	1,120	45	20	25	0	10	0	5	0	15	0	0	15	35	10
2011	1,180	1,135	40	25	15	0	10	0	5	0	20	0	0	5	35	10
2012	1,215	1,170	45	25	25	0	10	0	5	5	15	0	0	15	40	10
2013	1,230	1,180	45	25	20	0	5	0	5	0	20	0	5	10	35	15
2014	1,235	1,190	45	25	20	5	5	0	10	0	15	5	0	5	40	10
2015	1,220	1,175	45	30	15	0	5	0	10	0	20	0	0	10	40	5
2016	1,225	1,185	40	25	15	0	5	0	5	0	20	0	0	10	30	10
2017	1,230	1,190	40	20	15	0	5	0	5	0	15	5	0	5	25	10
2018	1,245	1,205	40	20	20	5	5	0	5	0	15	5	5	0	25	15
2019	1,285	1,245	40	20	25	0	5	0	10	0	10	5	5	10	30	10
2020	1,315	1,275	40	20	20	0	10	0	5	0	15	5	0	5	30	10
2021	1,325	1,280	45	20	25	0	5	0	10	0	10	5	10	5	30	15
2022	1,345	1,300	45	15	30	5	10	0	0	0	10	10	0	5	30	15
2023	1,355	1,310	45	15	30	0	10	0	5	0	10	5	0	10	30	10
2024	1,390	1,345	45	15	30	0	10	0	5	0	10	5	5	5	–	–
2025	1,390	1,350	40	10	30	0	10	0	5	0	5	10	5	5	–	–
2026	1,380	1,335	50	10	40	0	10	0	0	0	5	10	15	5	–	–

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