What is the postal code of Allschwil?

The postal code of Allschwil is 4123.

What is the tax rate in Allschwil?

The municipal tax multiplier of Allschwil is 58% (2026); canton BL levies 100%.

How much tax do you pay in Allschwil?

A single person without children pays about 16'082 CHF income tax in Allschwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 25 of 86 in canton BL. Source: ESTV (2026).

How many residents does Allschwil have?

Allschwil has 22'374 residents (2025).

How many foreign residents live in Allschwil?

Allschwil has 7'049 foreign residents, a share of 31.51% (2025).

Switzerland · Canton BL · Bezirk Arlesheim

Allschwil

4123

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN · swissTLM3D · swissTLMRegio

Demographics

BFS · 2025

Women

11'583 51.8%

Men

10'791 48.2%

Children & youth (0–19)

4'377 19.6%

Swiss citizens

15'325 68.5%

Foreign residents

7'049 31.5%

Population density

2'517 pop./km²

0–19 · 4'377 · 19.6%20–64 · 12'988 · 58.0%65+ · 5'009 · 22.4%

Foreign residents 31.5%0%64.0%

Population change 2025: +219 (+1%) · 203 births · 234 deaths · net migration +257

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026

Vote results for Allschwil

BFS

27.09.2026Popular Initiative 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'Federal● Rejected · 27.5% YesDistrict Bezirk Arlesheim: 26.8% Yes

28.2% YesNo 71.8%

27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Arlesheim: 23.2% Yes

21.7% YesNo 78.3%

27.09.2026Gesetzesinitiative Fairer Kompromiss bei der Mehrwertabgabe: StichfrageCantonal BL● Rejected · 36.3% YesDistrict Bezirk Arlesheim: 34.5% Yes

33.1% YesNo 67.0%

27.09.2026Gesetzesinitiative Fairer Kompromiss bei der Mehrwertabgabe: GegenvorschlagCantonal BL● Rejected · 43.9% YesDistrict Bezirk Arlesheim: 46.0% Yes

45.0% YesNo 55.1%

27.09.2026Gesetzesinitiative Fairer Kompromiss bei der MehrwertabgabeCantonal BL● Rejected · 31.7% YesDistrict Bezirk Arlesheim: 30.5% Yes

28.2% YesNo 71.8%

14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Arlesheim: 50.8% Yes

47.0% YesNo 53.0%

14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Arlesheim: 39.2% Yes

38.7% YesNo 61.3%

14.06.2026Neue Ortsdurchfahrt BirsfeldenCantonal BL● Accepted · 56.2% YesDistrict Bezirk Arlesheim: 58.3% Yes

60.2% YesNo 39.8%

14.06.2026Gesetzesinitiative Energiepolitik nur mit der BevölkerungCantonal BL● Rejected · 44.4% YesDistrict Bezirk Arlesheim: 41.9% Yes

40.5% YesNo 59.5%

14.06.2026Verfassungsinitiative Zämme in EuropaCantonal BL● Accepted · 53.7% YesDistrict Bezirk Arlesheim: 58.0% Yes

61.6% YesNo 38.4%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023

SP29.2% · strongest party

SP29.2%

SVP23.8%

FDP13.3%

Mitte12.5%

GRÜNE9.4%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026

Taxes 2026

ESTV

Municipal tax multiplier58%

Cantonal tax multiplier100%

58%BL range 45%72%

Tax rank 28 of 86 in canton Basel-Landschaft

Tax burden

Single, 100'000 CHF gross income

16'082 CHF(16.1%)

Rank 25 of 86 in the canton · 1309 of 2110 in Switzerland

Median canton 16'264 CHF · median Switzerland 15'290 CHF

Cheapest Pfeffingen 14'899 CHF · most expensive Waldenburg 17'356 CHF

Income tax as % of gross income

100'000 CHF:16'082 CHF(~16.1%)

AllschwilCanton range Basel-LandschaftSwitzerland median

Show data table

Gross income	Allschwil	Basel-Landschaft	Switzerland median
40'000	6.2%	5.7–6.7%	5.4%
50'000	8.5%	7.8–9.2%	7.8%
60'000	10.5%	9.7–11.4%	10.5%
70'000	12.2%	11.3–13.2%	11.9%
80'000	13.6%	12.6–14.7%	13.1%
90'000	14.8%	13.7–16%	14.1%
100'000	16.1%	14.9–17.4%	15.3%
110'000	17.3%	16–18.6%	16.3%
120'000	18.3%	17–19.7%	17.2%
130'000	19.2%	17.9–20.7%	18.1%
140'000	20.2%	18.7–21.7%	19%
150'000	21%	19.5–22.5%	19.7%
175'000	22.9%	21.3–24.5%	21.6%
200'000	24.4%	22.8–26.2%	23.2%
225'000	25.8%	24.1–27.6%	24.6%
250'000	27%	25.3–28.8%	25.8%
275'000	28%	26.3–29.9%	26.8%
300'000	28.9%	27.1–30.8%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–202011.1 °C

Precipitation 1991–2020844 mm

11.1 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

388 m

Mean elevation

315 m

Relief

123 m

Mean slope

3.6°

Flat share

75.8%

South-facing

2.6%

Above 2000 m

0.0%

Relief 123 m0 m3'847 m

Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.

swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026

Solar potential

BFE

Roof potential

91.8 GWh/yr

Roofs + façades

130.2 GWh/yr

≈ households powered

20'400

Per inhabitant

4'102 kWh/yr

92 GWh/yr01'133 GWh/yr

BFE solar factsheet ↗

Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).

Swiss Federal Office of Energy (SFOE), retrieved 24.09.2026

Electricity

ElCom · 2027

Tariff H4

31.21 Rp./kWh

Energy

13.45 Rp./kWh

Grid usage

13.78 Rp./kWh

Levies + grid surcharge

2.91 Rp./kWh

31.21 Rp./kWh10.5645.88

Canton median 31.21 Rp./kWhSwiss median 26.53 Rp./kWh

Network operator Primeo Netz AG

ElCom tariff comparison ↗

How this is measured

Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.

2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026

Health-insurance premiums

BAG · 2024

Premium regionRegion 1

Standard model, deductible 300680 CHF/mo

Ø premium in canton Basel-Landschaft479 CHF/mo

Estimate Switzerland 2026465.3 CHF/mo

Compare health insurers in Allschwil →Canton Basel-Landschaft →Premiums explained →

Premiums are set per canton and premium region. This area lies in premium region 1 of canton Basel-Landschaft. Shown is the average adult premium paid across the whole canton Basel-Landschaft (2024, BAG) — a region-specific average is not available in the cantonal data.

2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026

Housing

BFS · ARE

Vacancy rate

1.1 %

Second homes

8.3 %

Avg. rooms

3.5

Dwellings

11'515

Built before 194614.8%

Built since 200121.3%

1.1 %0 %12 %

Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.

Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Economy

BFS · 2024

Jobs

13'919

Workplaces

1'283

Services share

75.7 %

Jobs by sector: Primary 44 (0.3%) · Secondary 3'344 (24.0%) · Tertiary 10'531 (75.7%)

STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025

Farms

Organic share

6.7 %

Farmland

346 ha

Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM

Major centrePT 21 min · Car 13 min

AgglomerationPT 21 min · Car 13 min

Remoteness 82/86 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0

BFS municipality number2762

Head of governmentFranz Vogt

Websiteallschwil.ch ↗

DistrictBezirk Arlesheim

Wikidata · continuously updated, retrieved 24.09.2026

Where Allschwil ranks

Largest municipalities22'374 #1 BL · #47 CH Growing municipalities1% #36 BL · #802 CH Shrinking municipalities1% #51 BL · #1307 CH Jobs per resident0.62 #12 BL · #316 CH Families & children19.6% #35 BL · #1274 CH Age structure22.4% #58 BL · #785 CH Women share51.8% #11 BL · #172 CH Foreign residents31.5% #6 BL · #249 CH Population density2'517/km² #4 BL · #43 CH Tax burden16'082 #25 BL · #1309 CH Taxes58% #28 BL Warmest municipalities11.1 °C #1 BL · #46 CH Sunniest municipalities42.5% #1 BL · #1056 CH Rainiest municipalities844 mm #84 BL · #2021 CH Voter turnout50.4% #66 BL · #1745 CH Against Switzerland9.8% #27 BL · #1229 CH Aligned with Switzerland90.2% #20 BL · #240 CH SVP strongholds23.8% #80 BL · #1612 CH SP strongholds29.2% #6 BL · #62 CH Centre strongholds12.5% #20 BL · #1005 CH FDP strongholds13.3% #26 BL · #1002 CH GLP strongholds7.6% #18 BL · #644 CH Green strongholds9.4% #41 BL · #651 CH Largest by area8.9 km² #16 BL · #1057 CH Highest municipalities323 m #74 BL · #2041 CH Second homes8.3% #69 BL · #1567 CH Organic farming6.7% #55 BL · #1439 CH Best-connected municipalities21 min #4 BL · #24 CH Remotest municipalities21 min #82 BL · #2080 CH Highest peaks388 m #80 BL · #2094 CH Highest-lying municipalities315 m #83 BL · #2092 CH Greatest vertical range123 m #76 BL · #1718 CH Steepest municipalities3.6° #84 BL · #1820 CH Solar potential92 GWh #5 BL · #101 CH Solar potential per capita4'102 kWh #85 BL · #2043 CH Cheapest electricity31.21 Rp./kWh #65 BL · #1932 CH Most expensive electricity31.21 Rp./kWh #5 BL · #184 CH

Postal codes (1)

swisstopo

4123

Allschwil

Localities

swisstopo · 1

Allschwil4123

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Allschwil?: The postal code of Allschwil is 4123.
What is the tax rate in Allschwil?: The municipal tax multiplier of Allschwil is 58% (2026); canton BL levies 100%.
How much tax do you pay in Allschwil?: A single person without children pays about 16'082 CHF income tax in Allschwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 25 of 86 in canton BL. Source: ESTV (2026).
How many residents does Allschwil have?: Allschwil has 22'374 residents (2025).
How many foreign residents live in Allschwil?: Allschwil has 7'049 foreign residents, a share of 31.51% (2025).

Map

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