What is the postal code of Biel-Benken?

The postal code of Biel-Benken is 4105.

What is the tax rate in Biel-Benken?

The municipal tax multiplier of Biel-Benken is 46% (2026); canton BL levies 100%.

How much tax do you pay in Biel-Benken?

A single person without children pays about 14'990 CHF income tax in Biel-Benken on 100'000 CHF gross income (federal, cantonal, municipal), rank 2 of 86 in canton BL. Source: ESTV (2026).

How many residents does Biel-Benken have?

Biel-Benken has 3'550 residents (2025).

How many foreign residents live in Biel-Benken?

Biel-Benken has 563 foreign residents, a share of 15.86% (2025).

Switzerland · Canton BL

Biel-Benken

4105

BL CANTON4105

Residents

3'550

Area

4.1 km²

Population density

862 pop./km²

Elevation

317 m a.s.l.

Tax multiplier

46%

Postal codes

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

Demographics

BFS · 2025

Women

1'794 50.5%

Men

1'756 49.5%

Children & youth (0–19)

715 20.1%

Swiss citizens

2'987 84.1%

Foreign residents

563 15.9%

Population density

862 pop./km²

0–19 · 715 · 20.1%20–64 · 1'940 · 54.6%65+ · 895 · 25.2%

Foreign residents 15.9%0%64.0%

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026

Vote results for Biel-Benken

BFS

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes

55.0% YesNo 45.0%

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes

41.8% YesNo 58.2%

14.06.2026Neue Ortsdurchfahrt BirsfeldenCantonal BL● Accepted · 56.2% Yes

57.7% YesNo 42.3%

14.06.2026Gesetzesinitiative Energiepolitik nur mit der BevölkerungCantonal BL● Rejected · 44.4% Yes

40.4% YesNo 59.6%

14.06.2026Verfassungsinitiative Zämme in EuropaCantonal BL● Accepted · 53.7% Yes

56.0% YesNo 44.0%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

51.4% YesNo 48.6%

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes

23.7% YesNo 76.3%

08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes

31.0% YesNo 69.0%

08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes

32.6% YesNo 67.5%

08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes

74.5% YesNo 25.5%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023

SVP27.8% · strongest party

SVP27.8%

SP19.2%

Mitte17.5%

FDP15.4%

GRÜNE8.9%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026

Taxes 2026

ESTV

Municipal tax multiplier46%

Cantonal tax multiplier100%

46%BL range 45%72%

Tax rank 2 of 86 in canton Basel-Landschaft

Tax burden

Single, 100'000 CHF gross income

14'990 CHF(15%)

Rank 2 of 86 in the canton · 999 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:14'990 CHF(~15%)

Biel-BenkenCanton range Basel-LandschaftSwitzerland median

Show data table

Gross income	Biel-Benken	Basel-Landschaft	Switzerland median
40'000	5.8%	5.7–6.7%	5.4%
50'000	7.8%	7.8–9.2%	7.8%
60'000	9.8%	9.7–11.4%	10.5%
70'000	11.3%	11.3–13.2%	11.9%
80'000	12.6%	12.6–14.7%	13.1%
90'000	13.7%	13.7–16%	14.1%
100'000	15%	14.9–17.4%	15.3%
110'000	16.1%	16–18.6%	16.3%
120'000	17.1%	17–19.7%	17.2%
130'000	18%	17.9–20.7%	18.1%
140'000	18.9%	18.7–21.7%	19%
150'000	19.6%	19.5–22.5%	19.7%
175'000	21.4%	21.3–24.5%	21.6%
200'000	22.9%	22.8–26.2%	23.2%
225'000	24.3%	24.1–27.6%	24.6%
250'000	25.4%	25.3–28.8%	25.8%
275'000	26.4%	26.3–29.9%	26.8%
300'000	27.2%	27.1–30.8%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–202010.8 °C

Precipitation 1991–2020923 mm

10.8 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

425 m

Mean elevation

348 m

Relief

119 m

Mean slope

4.8°

Flat share

66.3%

South-facing

24.1%

Above 2000 m

0.0%

Relief 119 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

26.4 GWh/yr

Roofs + façades

36.8 GWh/yr

≈ households powered

5'900

26 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 31.08.2026

Electricity

ElCom · 2026

Tariff H4

31.98 Rp./kWh

Energy

13.73 Rp./kWh

Grid usage

14.26 Rp./kWh

Levies + grid surcharge

2.92 Rp./kWh

31.98 Rp./kWh9.6443.61

Canton median 31.98 Rp./kWhSwiss median 27.7 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.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026

Housing

BFS

Vacancy rate

1.02 %

Avg. rooms

4.4

Dwellings

1'574

Built before 194610.5%

Built since 200128.7%

1.02 %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 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM

Major centrePT 29 min · Car 19 min

AgglomerationPT 29 min · Car 19 min

Remoteness 77/86 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0

Websitebiel-benken.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities3'550 #22 BL · #626 CH Families & children20.1% #26 BL · #1111 CH Age structure25.2% #20 BL · #378 CH Women share50.5% #34 BL · #628 CH Foreign residents15.9% #46 BL · #1206 CH Population density862/km² #20 BL · #272 CH Tax burden14'990 #2 BL · #999 CH Taxes46% #2 BL Warmest municipalities10.8 °C #14 BL · #126 CH Sunniest municipalities42.2% #6 BL · #1090 CH Rainiest municipalities923 mm #73 BL · #1885 CH Voter turnout58.9% #13 BL · #587 CH Against Switzerland10% #28 BL · #1230 CH Aligned with Switzerland90% #21 BL · #241 CH SVP strongholds27.8% #71 BL · #1409 CH SP strongholds19.2% #52 BL · #526 CH Centre strongholds17.5% #8 BL · #666 CH FDP strongholds15.4% #15 BL · #786 CH GLP strongholds8.5% #10 BL · #510 CH Green strongholds8.9% #49 BL · #717 CH Largest by area4.1 km² #55 BL · #1692 CH Highest municipalities317 m #75 BL · #2044 CH Remotest municipalities29 min #77 BL · #2038 CH Best-connected municipalities29 min #10 BL · #71 CH Highest peaks425 m #76 BL · #2070 CH Highest-lying municipalities348 m #73 BL · #2070 CH Greatest vertical range119 m #78 BL · #1742 CH Steepest municipalities4.8° #78 BL · #1611 CH Solar potential26 GWh #22 BL · #785 CH Cheapest electricity31.98 Rp./kWh #65 BL · #1894 CH Most expensive electricity31.98 Rp./kWh #5 BL · #220 CH

Postal codes (1)

swisstopo

4105

Biel-Benken BL

Localities

swisstopo · 1

Biel-Benken BL4105

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Biel-Benken?: The postal code of Biel-Benken is 4105.
What is the tax rate in Biel-Benken?: The municipal tax multiplier of Biel-Benken is 46% (2026); canton BL levies 100%.
How much tax do you pay in Biel-Benken?: A single person without children pays about 14'990 CHF income tax in Biel-Benken on 100'000 CHF gross income (federal, cantonal, municipal), rank 2 of 86 in canton BL. Source: ESTV (2026).
How many residents does Biel-Benken have?: Biel-Benken has 3'550 residents (2025).
How many foreign residents live in Biel-Benken?: Biel-Benken has 563 foreign residents, a share of 15.86% (2025).

Map

OpenStreetMap

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