Postcode · Middelstum, Groningen

Postcode 9991: Migration background and origin

On 1 January 2026, postcode 9991 in Middelstum had 2,170 residents. 8.1% of them (175 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Eemsdelta (18.9%) and lower than the national average (29.1%). The largest origin groups are other Asia (2.3%), other Europe (1.4%) and Indonesia (1.2%). 60.0% of residents with a migration background were born abroad themselves. Since 2022 the share has hardly changed.

Residents: 2,170 on 1 January 2026
Migration background: 8.1% 175 people
Born abroad: 60.0% of those with a migration background
Change since 2022: +0.2 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

92%

Dutch origin 91.9% 1,995
Migration background 8.1% 175

Largest origin groups

Bars show each group’s share of all residents of 9991. For comparison, the line marks Eemsdelta and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

2.3% 50 people

Eemsdelta 3.0% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

1.4% 30 people

Eemsdelta 3.0% Netherlands 5.6%
Indonesia

1.2% 25 people

Eemsdelta 1.7% Netherlands 1.9%
Germany

0.92% 20 people

Eemsdelta 2.0% Netherlands 1.9%
Other Africa Africa excluding Morocco

0.92% 20 people

Eemsdelta 2.0% Netherlands 2.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.46% 10 people

Eemsdelta 1.0% Netherlands 1.7%
Turkey

0.23% 5 people

Eemsdelta 1.9% Netherlands 2.6%
Suriname

0.23% 5 people

Eemsdelta 0.86% Netherlands 2.0%
Poland

0.23% 5 people

Eemsdelta 0.58% Netherlands 1.4%
Belgium

0.23% 5 people

Eemsdelta 0.25% Netherlands 0.76%
Morocco

0.0% 0 people

Eemsdelta 0.16% Netherlands 2.4%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.0% 0 people

Eemsdelta 2.5% Netherlands 1.1%

First and second generation

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

60% 40%

Born abroad (first generation) 60.0% 105
Born in the Netherlands (second generation) 40.0% 70

Men and women

Men: 1,090
Women: 1,080

Compared with all postcodes

Netherlands 29.1% 9991 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%

9991
Eemsdelta
Netherlands

Show as table

Year	9991	Eemsdelta	Netherlands
1998	6.1%	11.9%	16.7%
1999	6.0%	12.1%	17.1%
2000	6.2%	12.1%	17.5%
2001	7.8%	12.4%	18.0%
2002	8.0%	12.8%	18.4%
2003	8.5%	13.2%	18.8%
2004	6.8%	13.2%	19.0%
2005	6.7%	13.3%	19.2%
2006	7.0%	13.2%	19.3%
2007	6.9%	13.2%	19.4%
2008	7.6%	13.1%	19.6%
2009	7.4%	12.7%	19.9%
2010	6.9%	12.9%	20.3%
2011	7.2%	13.5%	20.6%
2012	7.1%	13.4%	20.9%
2013	6.9%	13.5%	21.1%
2014	6.7%	13.6%	21.4%
2015	6.8%	13.7%	21.7%
2016	7.3%	13.9%	22.1%
2017	7.6%	14.3%	22.6%
2018	7.1%	14.4%	23.1%
2019	7.1%	14.7%	23.6%
2020	6.9%	15.1%	24.2%
2021	6.7%	15.6%	24.6%
2022	7.9%	16.8%	26.0%
2023	8.2%	17.4%	27.1%
2024	8.1%	17.9%	27.9%
2025	8.1%	18.4%	28.5%
2026	8.1%	18.9%	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
9781 Noord - West, Zuid - Oost	10.9%	8,790	+1.4 pp	Other Asia
9921 Stedum	8.3%	960	+0.2 pp	Other Asia
9995 Kantens	8.9%	620	+2.9 pp	Other Europe
9959 Bedum	7.7%	585	+0.7 pp	Other Europe
9796 Ten Boer	6.1%	165	−1.8 pp	Other Americas & Oceania
9992 Huizinge	4.0%	125	+4.0 pp	Germany
9993 Westerwijtwerd	4.3%	115	−4.0 pp	–
9999 Kantens	16.7%	90	+1.7 pp	Indonesia
9996 Kantens	14.3%	70	±0.0 pp	Indonesia
9994 Toornwerd	7.7%	65	−5.6 pp	Germany
9925 Kantens	0.0%	15	±0.0 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	Turkey	Suriname	Indonesia	Dutch Caribbean	Germany	Poland	Belgium	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
1998	2,380	2,235	145	80	75	5	0	15	5	40	0	10	30	5	40	5	100	45
1999	2,400	2,255	145	95	50	0	0	20	5	45	0	10	40	5	20	0	115	35
2000	2,405	2,255	150	95	60	5	0	15	5	45	0	10	40	5	25	5	120	35
2001	2,485	2,290	195	120	80	5	0	20	5	50	0	10	60	15	30	5	140	55
2002	2,515	2,315	200	100	95	10	0	20	5	50	0	10	40	25	30	5	130	65
2003	2,520	2,310	215	110	100	10	0	20	5	50	0	10	50	30	25	10	145	75
2004	2,485	2,320	170	105	60	5	0	20	5	50	0	10	45	5	15	10	135	30
2005	2,470	2,305	165	105	60	0	0	20	5	45	0	10	50	5	20	10	130	35
2006	2,420	2,250	170	105	60	0	0	20	5	45	0	10	50	5	20	10	135	35
2007	2,380	2,215	165	95	70	5	5	25	5	40	0	10	45	10	15	5	125	35
2008	2,370	2,190	180	95	80	5	0	25	10	40	0	5	50	10	15	15	130	50
2009	2,355	2,180	175	95	80	5	5	20	5	40	0	10	45	10	20	15	125	50
2010	2,305	2,145	160	90	70	5	5	20	5	45	0	10	35	10	10	15	120	40
2011	2,295	2,135	165	100	65	5	5	20	0	40	0	10	50	10	10	15	125	40
2012	2,315	2,150	165	95	75	5	5	20	10	40	0	5	50	25	5	5	115	45
2013	2,325	2,170	160	85	75	5	5	20	5	40	5	10	30	20	10	10	110	50
2014	2,310	2,155	155	85	70	5	0	15	10	35	0	10	40	5	25	10	110	45
2015	2,295	2,140	155	75	75	5	5	20	10	35	0	5	35	10	20	5	100	50
2016	2,315	2,145	170	80	85	10	5	20	10	35	5	5	35	5	25	10	105	65
2017	2,305	2,130	175	80	95	5	5	20	15	35	5	5	35	10	30	10	105	70
2018	2,240	2,080	160	65	95	10	5	20	15	30	5	5	25	10	25	10	95	65
2019	2,185	2,030	155	70	90	5	5	20	15	35	5	0	30	15	25	5	95	60
2020	2,175	2,025	150	75	75	0	5	25	15	30	0	5	40	10	20	0	95	55
2021	2,230	2,080	150	70	80	0	5	25	15	30	5	0	35	10	20	5	90	60
2022	2,215	2,040	175	70	105	0	5	30	10	30	5	5	30	10	45	10	90	65
2023	2,185	2,010	180	80	95	0	5	25	5	30	5	5	35	5	50	10	100	65
2024	2,170	1,995	175	75	100	0	5	25	0	25	5	5	40	10	50	10	–	–
2025	2,155	1,980	175	75	100	5	5	25	0	25	5	5	35	15	45	10	–	–
2026	2,170	1,995	175	60	120	5	5	25	0	20	5	5	30	20	50	10	–	–

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