Postcode · Leerdam, Utrecht

Postcode 4142: Neighbourhood West

On 1 January 2026, postcode 4142 in Leerdam (West) had 8,425 residents. 40.2% of them (3,385 people) have a migration background: they were born abroad or have at least one parent who was. That is higher than Leerdam (29.4%) and higher than the national average (29.1%). The largest origin groups are Turkey (16.7%), other Asia (5.5%) and Indonesia (4.7%). 46.1% of residents with a migration background were born abroad themselves. Since 2022 the share has fallen by 1.1 percentage points.

Residents: 8,425 on 1 January 2026
Migration background: 40.2% 3,385 people
Born abroad: 46.1% of those with a migration background
Change since 2022: −1.1 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

60% 40%

Dutch origin 59.8% 5,040
Migration background 40.2% 3,385

Largest origin groups

Bars show each group’s share of all residents of 4142. For comparison, the line marks Leerdam and the circle the Netherlands.

Turkey

16.7% 1,410 people

Leerdam 9.3% Netherlands 2.6%
Other Asia Asia excluding Indonesia and Turkey

5.5% 460 people

Leerdam 4.4% Netherlands 5.3%
Indonesia

4.7% 400 people

Leerdam 3.4% Netherlands 1.9%
Morocco

4.2% 350 people

Leerdam 2.7% Netherlands 2.4%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

2.5% 210 people

Leerdam 3.0% Netherlands 5.6%
Other Africa Africa excluding Morocco

1.9% 160 people

Leerdam 1.8% Netherlands 2.3%
Poland

1.7% 145 people

Leerdam 1.6% Netherlands 1.4%
Suriname

1.0% 85 people

Leerdam 0.78% Netherlands 2.0%
Germany

0.77% 65 people

Leerdam 1.0% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.47% 40 people

Leerdam 0.66% Netherlands 1.7%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.42% 35 people

Leerdam 0.34% Netherlands 1.1%
Belgium

0.30% 25 people

Leerdam 0.32% Netherlands 0.76%

First and second generation

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

46% 54%

Born abroad (first generation) 46.1% 1,560
Born in the Netherlands (second generation) 53.9% 1,825

Men and women

Men: 4,170
Women: 4,255

Compared with all postcodes

Netherlands 29.1% 4142 40.2%

Higher than 86% 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

40.2%

4142
Leerdam
Netherlands

Show as table

Year	4142	Leerdam	Netherlands
1998	35.7%	20.2%	16.7%
1999	37.1%	20.8%	17.1%
2000	39.0%	21.3%	17.5%
2001	40.6%	21.7%	18.0%
2002	42.3%	22.0%	18.4%
2003	42.6%	22.3%	18.8%
2004	43.2%	22.5%	19.0%
2005	43.6%	22.7%	19.2%
2006	43.7%	22.8%	19.3%
2007	43.7%	22.9%	19.4%
2008	43.5%	23.1%	19.6%
2009	44.2%	23.3%	19.9%
2010	44.7%	23.7%	20.3%
2011	44.3%	24.0%	20.6%
2012	44.7%	24.2%	20.9%
2013	44.4%	24.3%	21.1%
2014	44.3%	24.5%	21.4%
2015	44.4%	24.5%	21.7%
2016	43.8%	24.6%	22.1%
2017	43.4%	24.9%	22.6%
2018	43.4%	25.1%	23.1%
2019	42.6%	25.7%	23.6%
2020	42.2%	26.0%	24.2%
2021	41.2%	26.4%	24.6%
2022	41.3%	27.3%	26.0%
2023	41.0%	28.1%	27.1%
2024	40.6%	28.8%	27.9%
2025	40.6%	29.1%	28.5%
2026	40.2%	29.4%	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
4143 Noord	22.7%	6,485	+3.9 pp	Other Asia
4141 Oost, Leerdam centrum	20.9%	5,525	+2.4 pp	Turkey
4147 Westelijke uitbreiding Asperen, Oude Kern	14.4%	3,205	+2.4 pp	Other Europe
4161 Uitbreiding Heukelum, Oude Kern	9.4%	2,295	+0.3 pp	Other Asia
4245 Leerbroek	7.5%	1,595	+3.0 pp	Other Europe
4243 Nieuwland	8.0%	1,065	+1.7 pp	Other Asia
4247 Kedichem	9.9%	860	+1.6 pp	Other Europe
4163 Oosterwijk	8.7%	230	+2.3 pp	Germany

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	6,290	4,050	2,245	200	2,050	1,200	170	25	560	5	95	30	10	65	65	15	10	765	1,475
1999	6,240	3,920	2,315	215	2,100	1,240	190	20	545	5	100	30	15	70	60	30	10	765	1,550
2000	6,300	3,840	2,460	220	2,240	1,355	205	20	535	0	90	35	10	85	80	30	15	750	1,710
2001	6,335	3,760	2,575	220	2,360	1,430	205	25	530	5	90	35	15	80	110	45	10	760	1,820
2002	6,385	3,690	2,700	230	2,475	1,530	210	25	520	5	85	35	10	100	110	55	20	755	1,945
2003	6,450	3,700	2,745	240	2,510	1,575	220	20	515	10	90	35	10	105	100	60	10	760	1,985
2004	6,425	3,655	2,775	245	2,535	1,610	220	20	500	0	90	35	15	105	95	65	25	750	2,025
2005	6,325	3,570	2,755	240	2,520	1,610	225	20	490	5	90	35	10	105	90	60	20	735	2,020
2006	6,275	3,530	2,745	230	2,515	1,610	240	25	470	5	85	35	15	95	85	60	20	715	2,030
2007	6,080	3,430	2,655	225	2,430	1,560	220	25	465	0	80	35	15	95	80	55	25	695	1,955
2008	6,045	3,415	2,630	225	2,400	1,550	200	20	450	5	80	35	15	95	80	75	20	695	1,935
2009	6,035	3,365	2,670	240	2,425	1,560	205	15	445	5	80	50	15	95	80	90	25	685	1,980
2010	6,035	3,340	2,695	250	2,445	1,570	205	20	440	10	80	50	15	105	95	90	15	695	1,995
2011	6,095	3,400	2,700	245	2,450	1,570	220	20	430	10	75	40	15	115	95	85	20	685	2,010
2012	6,060	3,350	2,710	275	2,430	1,560	220	20	430	15	70	65	15	125	90	80	15	715	1,995
2013	6,110	3,405	2,710	290	2,425	1,525	225	20	430	10	65	70	20	135	95	105	15	725	1,985
2014	5,920	3,300	2,620	265	2,355	1,445	230	15	410	0	65	75	15	110	105	125	25	690	1,930
2015	5,865	3,260	2,605	280	2,325	1,405	220	20	405	0	60	85	15	120	110	145	20	695	1,905
2016	5,990	3,365	2,625	275	2,350	1,400	235	20	405	5	60	80	10	125	110	155	20	690	1,940
2017	6,235	3,530	2,705	290	2,410	1,415	240	20	395	5	60	90	15	125	100	210	25	695	2,005
2018	6,285	3,560	2,725	300	2,420	1,410	245	20	400	5	55	95	15	135	95	225	20	710	2,010
2019	6,545	3,755	2,790	325	2,465	1,425	255	30	395	15	55	105	20	145	105	220	20	725	2,060
2020	6,700	3,870	2,830	325	2,505	1,415	275	30	380	15	55	115	20	135	110	255	25	715	2,110
2021	7,010	4,120	2,890	345	2,545	1,395	295	40	390	10	55	130	15	145	130	265	20	750	2,140
2022	7,370	4,330	3,045	370	2,670	1,395	320	50	400	15	60	125	15	165	145	320	25	780	2,225
2023	7,640	4,505	3,135	380	2,755	1,415	350	60	395	15	60	120	15	180	150	340	35	785	2,315
2024	8,030	4,770	3,260	415	2,850	1,430	365	70	395	20	65	140	20	190	160	380	35	–	–
2025	8,180	4,855	3,325	430	2,895	1,410	355	75	390	30	70	145	25	195	155	445	35	–	–
2026	8,425	5,040	3,385	445	2,940	1,410	350	85	400	35	65	145	25	210	160	460	40	–	–

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