Postcode · Amersfoort, Utrecht

Postcode 3823: Neighbourhood Kattenbroek

On 1 January 2026, postcode 3823 in Amersfoort (Kattenbroek) had 10,985 residents. 26.2% of them (2,875 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Amersfoort (30.8%) and lower than the national average (29.1%). The largest origin groups are other Asia (6.7%), other Europe (3.4%) and Indonesia (3.2%). 53.4% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.4 percentage points.

Residents: 10,985 on 1 January 2026
Migration background: 26.2% 2,875 people
Born abroad: 53.4% of those with a migration background
Change since 2022: +2.4 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

74% 26%

Dutch origin 73.8% 8,110
Migration background 26.2% 2,875

Largest origin groups

Bars show each group’s share of all residents of 3823. For comparison, the line marks Amersfoort and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

6.7% 740 people

Amersfoort 6.1% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

3.4% 370 people

Amersfoort 4.1% Netherlands 5.6%
Indonesia

3.2% 355 people

Amersfoort 2.8% Netherlands 1.9%
Turkey

2.5% 270 people

Amersfoort 4.4% Netherlands 2.6%
Other Africa Africa excluding Morocco

2.0% 215 people

Amersfoort 3.0% Netherlands 2.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.7% 190 people

Amersfoort 1.8% Netherlands 1.7%
Germany

1.7% 185 people

Amersfoort 1.5% Netherlands 1.9%
Morocco

1.5% 160 people

Amersfoort 3.6% Netherlands 2.4%
Suriname

1.4% 150 people

Amersfoort 1.2% Netherlands 2.0%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

1.4% 150 people

Amersfoort 1.3% Netherlands 1.1%
Belgium

0.46% 50 people

Amersfoort 0.44% Netherlands 0.76%
Poland

0.36% 40 people

Amersfoort 0.52% Netherlands 1.4%

First and second generation

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

53% 47%

Born abroad (first generation) 53.4% 1,535
Born in the Netherlands (second generation) 46.6% 1,340

Men and women

Men: 5,335
Women: 5,655

Compared with all postcodes

Netherlands 29.1% 3823 26.2%

Higher than 69% 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

26.2%

3823
Amersfoort
Netherlands

Show as table

Year	3823	Amersfoort	Netherlands
1998	16.5%	19.9%	16.7%
1999	17.6%	20.6%	17.1%
2000	17.8%	21.1%	17.5%
2001	17.9%	21.7%	18.0%
2002	17.8%	22.2%	18.4%
2003	18.0%	22.6%	18.8%
2004	18.2%	22.9%	19.0%
2005	18.3%	23.3%	19.2%
2006	18.6%	23.3%	19.3%
2007	18.4%	23.2%	19.4%
2008	19.0%	23.5%	19.6%
2009	19.3%	23.7%	19.9%
2010	19.4%	23.9%	20.3%
2011	19.6%	24.0%	20.6%
2012	19.7%	24.2%	20.9%
2013	19.8%	24.4%	21.1%
2014	19.7%	24.6%	21.4%
2015	20.3%	24.7%	21.7%
2016	21.1%	24.9%	22.1%
2017	20.8%	25.2%	22.6%
2018	21.0%	25.5%	23.1%
2019	21.5%	25.9%	23.6%
2020	22.2%	26.4%	24.2%
2021	22.5%	26.7%	24.6%
2022	23.7%	28.3%	26.0%
2023	24.2%	29.2%	27.1%
2024	24.6%	29.7%	27.9%
2025	25.4%	30.2%	28.5%
2026	26.2%	30.8%	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
3825 Vathorst-De Velden, Vathorst-Centrum	30.1%	14,525	+2.5 pp	Other Asia
3824 Nieuwland	26.2%	14,340	+1.9 pp	Other Asia
3828 Langenoord, De Ham	13.8%	10,025	+1.3 pp	Other Asia
3822 Zielhorst	26.0%	7,505	+2.4 pp	Other Asia

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	11,600	9,685	1,910	505	1,410	115	50	180	570	130	205	30	35	235	70	200	95	1,145	770
1999	11,745	9,680	2,065	530	1,535	140	55	165	570	150	220	30	40	240	115	215	125	1,190	875
2000	11,805	9,700	2,105	545	1,560	135	55	160	570	155	220	30	35	260	120	225	140	1,205	905
2001	11,790	9,680	2,105	535	1,565	150	70	165	540	150	205	30	40	260	110	255	125	1,160	945
2002	11,835	9,735	2,105	550	1,560	180	75	160	515	135	215	35	40	260	115	250	130	1,145	960
2003	11,915	9,770	2,145	560	1,585	190	90	160	500	145	225	35	40	260	120	250	130	1,135	1,010
2004	11,925	9,760	2,165	540	1,615	185	95	170	500	145	220	35	40	245	120	275	125	1,115	1,045
2005	11,905	9,720	2,180	555	1,625	195	95	170	505	150	235	30	45	245	125	260	125	1,130	1,055
2006	11,885	9,685	2,205	560	1,645	210	100	160	485	155	235	30	40	255	125	285	125	1,120	1,085
2007	11,925	9,725	2,195	550	1,645	210	100	155	500	150	225	35	40	250	140	270	120	1,115	1,080
2008	11,970	9,690	2,280	565	1,715	220	105	165	505	140	225	30	40	270	145	305	130	1,130	1,150
2009	11,940	9,635	2,305	570	1,730	230	125	165	490	125	220	35	40	275	135	325	135	1,120	1,185
2010	11,855	9,555	2,300	580	1,720	230	130	150	480	125	225	35	35	285	145	325	135	1,120	1,185
2011	11,820	9,490	2,320	585	1,735	225	125	145	480	135	215	40	45	285	140	350	135	1,125	1,200
2012	11,790	9,465	2,325	585	1,740	230	120	150	465	145	220	40	45	280	135	365	130	1,115	1,210
2013	11,665	9,355	2,315	600	1,715	235	140	145	445	145	220	45	45	290	125	370	110	1,100	1,215
2014	11,550	9,270	2,280	595	1,690	225	140	135	450	140	210	40	50	295	115	365	120	1,095	1,190
2015	11,530	9,190	2,340	625	1,715	235	145	140	435	130	225	35	50	315	130	385	115	1,115	1,230
2016	11,565	9,125	2,440	635	1,805	240	155	140	445	135	220	45	50	320	135	430	125	1,130	1,310
2017	11,440	9,055	2,385	605	1,780	250	155	130	435	130	215	50	45	295	130	420	130	1,095	1,290
2018	11,360	8,970	2,390	600	1,790	255	155	120	435	150	215	40	45	300	115	435	125	1,085	1,305
2019	11,295	8,870	2,425	600	1,820	260	150	125	420	150	195	35	45	325	115	460	140	1,080	1,345
2020	11,255	8,760	2,495	620	1,875	245	165	120	395	150	195	45	45	335	140	510	150	1,075	1,415
2021	11,105	8,605	2,500	630	1,870	260	165	135	380	150	195	45	50	340	140	490	150	1,060	1,445
2022	10,990	8,380	2,610	645	1,965	265	155	150	385	150	200	45	50	340	150	540	175	1,065	1,440
2023	11,005	8,340	2,665	660	2,000	270	155	155	375	155	200	50	50	360	155	560	185	1,075	1,485
2024	10,950	8,260	2,690	675	2,015	270	160	150	375	155	200	45	50	385	160	575	175	–	–
2025	11,030	8,225	2,805	665	2,140	270	160	150	370	155	195	40	45	385	185	655	190	–	–
2026	10,985	8,110	2,875	645	2,230	270	160	150	355	150	185	40	50	370	215	740	190	–	–

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