What is the postal code of Interlaken?

The postal code of Interlaken is 3800.

What is the tax rate in Interlaken?

The municipal tax multiplier of Interlaken is 177% (2026); canton BE levies 297.5%.

How much tax do you pay in Interlaken?

A single person without children pays about 17'113 CHF income tax in Interlaken on 100'000 CHF gross income (federal, cantonal, municipal), rank 188 of 334 in canton BE. Source: ESTV (2026).

How many residents does Interlaken have?

Interlaken has 6'123 residents (2025).

How many foreign residents live in Interlaken?

Interlaken has 2'353 foreign residents, a share of 38.43% (2025).

Switzerland · Canton BE

Interlaken

3800

BE CANTON3800

Residents

6'123

Area

4.3 km²

Population density

1'434 pop./km²

Elevation

571 m a.s.l.

Terrain up to

1'551 m a.s.l.

Tax multiplier

177%

Postal codes

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

Demographics

BFS · 2025

Women

3'083 50.4%

Men

3'040 49.6%

Children & youth (0–19)

932 15.2%

Swiss citizens

3'770 61.6%

Foreign residents

2'353 38.4%

Population density

1'434 pop./km²

0–19 · 932 · 15.2%20–64 · 3'792 · 61.9%65+ · 1'399 · 22.8%

Foreign residents 38.4%0%64.0%

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

Vote results for Interlaken

BFS

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

56.0% YesNo 44.0%

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

42.9% YesNo 57.1%

14.06.2026Projektierungskredit für das Kunstmuseum Bern (Sanierung und Ersatzneubau)Cantonal BE● Rejected · 48.2% Yes

49.8% YesNo 50.2%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

53.9% YesNo 46.1%

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

27.1% YesNo 72.9%

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

37.4% YesNo 62.6%

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

37.4% YesNo 62.6%

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

74.2% YesNo 25.8%

08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes

44.6% YesNo 55.4%

30.11.2025Volksinitiative «Für eine soziale Klimapolitik – steuerlich gerecht finanziert (Initiative für eine Zukunft)»Federal● Rejected · 21.7% Yes

19.7% YesNo 80.3%

All federal votes →

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

Politics

National Council election 2023

SVP28.0% · strongest party

SVP28.0%

SP21.2%

GLP11.2%

FDP10.0%

GRÜNE8.7%

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

Taxes 2026

ESTV

Municipal tax multiplier177%

Cantonal tax multiplier297.5%

177%BE range 89%220%

Tax rank 189 of 334 in canton Bern

Tax burden

Single, 100'000 CHF gross income

17'113 CHF(17.1%)

Rank 188 of 334 in the canton · 1893 of 2110 in Switzerland

Median canton 17'048 CHF · median Switzerland 15'290 CHF

Cheapest Deisswil bei Münchenbuchsee 14'255 CHF · most expensive Schelten 18'510 CHF

Income tax as % of gross income

100'000 CHF:17'113 CHF(~17.1%)

InterlakenCanton range BernSwitzerland median

Show data table

Gross income	Interlaken	Bern	Switzerland median
40'000	10.1%	8.3–10.9%	5.4%
50'000	11.9%	9.8–13%	7.8%
60'000	13.4%	11–14.5%	10.5%
70'000	14.5%	12–15.7%	11.9%
80'000	15.3%	12.6–16.5%	13.1%
90'000	16.1%	13.4–17.5%	14.1%
100'000	17.1%	14.3–18.5%	15.3%
110'000	18%	15–19.4%	16.3%
120'000	18.8%	15.8–20.3%	17.2%
130'000	19.7%	16.5–21.2%	18.1%
140'000	20.4%	17.2–22%	19%
150'000	21.2%	17.9–22.8%	19.7%
175'000	23%	19.5–24.7%	21.6%
200'000	24.6%	20.9–26.3%	23.2%
225'000	26%	22.2–27.8%	24.6%
250'000	27.2%	23.3–29.1%	25.8%
275'000	28.3%	24.3–30.2%	26.8%
300'000	29.2%	25.1–31.2%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–20209.3 °C

Precipitation 1991–20201'241 mm

9.3 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

1'551 m

Mean elevation

654 m

Relief

993 m

Mean slope

7.8°

Flat share

77.1%

South-facing

17.3%

Above 2000 m

0.0%

Relief 993 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

46.5 GWh/yr

Roofs + façades

57.9 GWh/yr

≈ households powered

10'300

47 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

29.21 Rp./kWh

Energy

14.8 Rp./kWh

Grid usage

10.44 Rp./kWh

Levies + grid surcharge

2.71 Rp./kWh

29.21 Rp./kWh9.6443.61

Canton median 29.35 Rp./kWhSwiss median 27.7 Rp./kWh

Network operator Industrielle Betriebe Interlaken (IBI) 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

0.45 %

Avg. rooms

3.2

Dwellings

3'793

Built before 194635.4%

Built since 200117.1%

0.45 %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 72 min · Car 52 min

AgglomerationPT 12 min · Car 6 min

Remoteness 120/334 in canton

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

Municipality

Wikidata · CC0

Websiteinterlaken-gemeinde.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities6'123 #28 BE · #334 CH Families & children15.2% #308 BE · #1963 CH Age structure22.8% #190 BE · #706 CH Women share50.4% #148 BE · #670 CH Foreign residents38.4% #1 BE · #96 CH Population density1'434/km² #13 BE · #132 CH Tax burden17'113 #188 BE · #1893 CH Taxes177% #189 BE Warmest municipalities9.3 °C #107 BE · #1125 CH Sunniest municipalities47.7% #21 BE · #343 CH Rainiest municipalities1'241 mm #110 BE · #602 CH Voter turnout49.7% #239 BE · #1725 CH Against Switzerland6% #186 BE · #1398 CH Aligned with Switzerland94% #19 BE · #48 CH SVP strongholds28% #297 BE · #1398 CH SP strongholds21.2% #42 BE · #372 CH Centre strongholds7.5% #184 BE · #1495 CH FDP strongholds10% #41 BE · #1385 CH GLP strongholds11.2% #57 BE · #203 CH Green strongholds8.7% #100 BE · #756 CH Largest by area4.3 km² #254 BE · #1659 CH Highest municipalities571 m #193 BE · #918 CH Remotest municipalities72 min #120 BE · #947 CH Best-connected municipalities72 min #215 BE · #1136 CH Highest peaks1'551 m #61 BE · #447 CH Highest-lying municipalities654 m #170 BE · #872 CH Greatest vertical range993 m #58 BE · #446 CH Steepest municipalities7.8° #187 BE · #1129 CH Solar potential47 GWh #45 BE · #372 CH Cheapest electricity29.21 Rp./kWh #237 BE · #1293 CH Most expensive electricity29.21 Rp./kWh #96 BE · #812 CH

Postal codes (1)

swisstopo

3800

Interlaken

Localities

swisstopo · 1

Interlaken3800

Nearby municipalities

swisstopo

Matten bei Interlaken

Frequently asked questions

What is the postal code of Interlaken?: The postal code of Interlaken is 3800.
What is the tax rate in Interlaken?: The municipal tax multiplier of Interlaken is 177% (2026); canton BE levies 297.5%.
How much tax do you pay in Interlaken?: A single person without children pays about 17'113 CHF income tax in Interlaken on 100'000 CHF gross income (federal, cantonal, municipal), rank 188 of 334 in canton BE. Source: ESTV (2026).
How many residents does Interlaken have?: Interlaken has 6'123 residents (2025).
How many foreign residents live in Interlaken?: Interlaken has 2'353 foreign residents, a share of 38.43% (2025).

Map

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