Postcode · Aduard, Groningen

Postcode 9831: Migration background and origin

On 1 January 2026, postcode 9831 in Aduard had 2,220 residents. 12.8% of them (285 people) have a migration background: they were born abroad or have at least one parent who was. That is higher than the municipality of Westerkwartier (9.9%) and lower than the national average (29.1%). The largest origin groups are other Asia (3.2%), other Europe (2.3%) and Indonesia (1.6%). 54.4% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 1.2 percentage points.

Residents: 2,220 on 1 January 2026
Migration background: 12.8% 285 people
Born abroad: 54.4% of those with a migration background
Change since 2022: +1.2 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

87%

Dutch origin 87.2% 1,935
Migration background 12.8% 285

Largest origin groups

Bars show each group’s share of all residents of 9831. For comparison, the line marks Westerkwartier and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

3.2% 70 people

Westerkwartier 2.2% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

2.3% 50 people

Westerkwartier 2.2% Netherlands 5.6%
Indonesia

1.6% 35 people

Westerkwartier 1.1% Netherlands 1.9%
Germany

1.6% 35 people

Westerkwartier 1.1% Netherlands 1.9%
Suriname

1.4% 30 people

Westerkwartier 0.39% Netherlands 2.0%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.1% 25 people

Westerkwartier 0.74% Netherlands 1.7%
Other Africa Africa excluding Morocco

0.90% 20 people

Westerkwartier 0.89% Netherlands 2.3%
Turkey

0.45% 10 people

Westerkwartier 0.29% Netherlands 2.6%
Morocco

0.23% 5 people

Westerkwartier 0.06% Netherlands 2.4%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.23% 5 people

Westerkwartier 0.27% Netherlands 1.1%
Poland

0.23% 5 people

Westerkwartier 0.43% Netherlands 1.4%
Belgium

0.23% 5 people

Westerkwartier 0.15% 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) 54.4% 155
Born in the Netherlands (second generation) 45.6% 130

Men and women

Men: 1,125
Women: 1,095

Compared with all postcodes

Netherlands 29.1% 9831 12.8%

Higher than 33% 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

12.8%

9831
Westerkwartier
Netherlands

Show as table

Year	9831	Westerkwartier	Netherlands
1998	4.8%	5.0%	16.7%
1999	5.2%	5.1%	17.1%
2000	5.9%	5.1%	17.5%
2001	5.9%	5.5%	18.0%
2002	6.0%	6.7%	18.4%
2003	6.4%	7.0%	18.8%
2004	7.1%	6.7%	19.0%
2005	6.9%	6.2%	19.2%
2006	7.0%	5.5%	19.3%
2007	7.3%	5.5%	19.4%
2008	7.0%	5.8%	19.6%
2009	6.6%	5.8%	19.9%
2010	6.8%	5.9%	20.3%
2011	7.4%	6.0%	20.6%
2012	8.2%	6.3%	20.9%
2013	8.0%	6.5%	21.1%
2014	8.2%	6.6%	21.4%
2015	8.5%	6.5%	21.7%
2016	8.9%	6.6%	22.1%
2017	10.0%	6.9%	22.6%
2018	10.5%	7.1%	23.1%
2019	10.8%	7.2%	23.6%
2020	10.8%	7.3%	24.2%
2021	10.3%	7.5%	24.6%
2022	11.6%	8.4%	26.0%
2023	12.1%	9.1%	27.1%
2024	11.9%	9.4%	27.9%
2025	12.3%	9.6%	28.5%
2026	12.8%	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
9746 Nieuw-West	29.4%	7,880	+4.3 pp	Other Europe
9804 Noordhorn	8.8%	1,425	+2.3 pp	Other Asia
9774 Sauwerd	12.0%	710	+2.2 pp	Other Europe
9747 Nieuw-Noord	99.1%	560	+49.1 pp	Other Europe
9893 Garnwerd	11.8%	425	+1.5 pp	Germany
9832 Den Horn	7.3%	410	−0.1 pp	Other Europe
9738 Noordoost	17.1%	380	+5.6 pp	Other Europe
9833 Den Ham (Westerkwartier)	1.9%	270	+0.1 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	2,515	2,390	120	75	50	0	0	0	35	0	35	5	5	30	5	0	10	115	10
1999	2,515	2,380	130	75	50	0	5	5	35	0	40	0	5	30	0	5	5	120	10
2000	2,540	2,390	150	85	65	0	0	5	35	5	40	5	5	35	5	5	10	130	20
2001	2,530	2,375	150	85	70	0	0	5	35	0	35	5	5	40	5	10	15	125	25
2002	2,520	2,360	150	85	70	0	5	5	30	0	35	0	10	40	5	15	10	125	30
2003	2,485	2,325	160	80	80	0	0	5	30	0	35	5	15	25	10	25	10	120	35
2004	2,455	2,280	175	90	85	0	0	5	30	5	35	5	10	40	10	20	15	130	45
2005	2,465	2,290	170	85	90	0	0	5	30	0	35	5	15	30	10	20	25	125	45
2006	2,440	2,270	170	90	70	0	0	10	25	5	35	5	15	35	5	20	5	130	40
2007	2,410	2,235	175	80	95	5	0	5	30	0	35	5	10	30	10	20	25	125	45
2008	2,360	2,195	165	85	85	0	0	5	25	5	30	5	10	40	10	20	20	120	45
2009	2,290	2,140	150	80	75	0	0	10	25	5	25	5	10	40	5	10	20	110	40
2010	2,285	2,130	155	85	75	0	0	10	25	5	30	5	10	40	5	10	20	115	40
2011	2,285	2,115	170	85	85	0	0	10	25	5	30	5	10	40	10	10	25	120	50
2012	2,250	2,065	185	95	85	0	0	15	25	10	35	10	10	40	5	15	15	125	55
2013	2,250	2,070	180	95	95	0	0	15	25	5	35	10	10	40	5	20	25	125	55
2014	2,195	2,015	180	90	95	0	0	20	25	5	35	10	5	40	5	20	20	125	55
2015	2,175	1,990	185	90	95	0	0	20	30	5	30	10	10	40	5	20	15	130	55
2016	2,190	1,995	195	90	100	0	0	20	30	5	35	10	10	35	5	25	15	135	60
2017	2,205	1,985	220	100	115	0	5	20	30	5	40	15	10	35	5	30	20	140	75
2018	2,190	1,960	230	105	125	0	0	25	30	5	40	15	10	40	15	35	15	140	85
2019	2,180	1,945	235	100	135	5	0	25	35	5	40	10	5	45	10	30	25	140	90
2020	2,185	1,950	235	110	125	0	5	20	35	5	40	20	5	45	10	30	20	145	90
2021	2,140	1,920	220	100	125	0	5	25	35	5	35	20	5	40	5	35	15	135	90
2022	2,235	1,975	260	105	160	5	5	25	35	5	35	15	10	40	15	45	25	140	110
2023	2,240	1,965	270	100	170	10	0	30	40	5	35	15	10	45	15	50	25	140	115
2024	2,220	1,955	265	90	175	5	5	30	35	5	35	10	5	40	15	55	25	–	–
2025	2,235	1,960	275	90	180	5	5	25	35	10	35	5	5	45	20	60	25	–	–
2026	2,220	1,935	285	95	190	10	5	30	35	5	35	5	5	50	20	70	25	–	–

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