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Demographics

BFS · 2025
Women
1'202 48.0%
Men
1'303 52.0%
Children & youth (0–19)
384 15.3%
Swiss citizens
1'732 69.1%
Foreign residents
773 30.9%
Population density
106 pop./km²
0–19 · 384 · 15.3%20–64 · 1'493 · 59.6%65+ · 628 · 25.1%
Foreign residents 30.9%0%64.0%
Population change 2025: +43 (+1.8%) · 21 births · 22 deaths · net migration +31
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
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Gersau: 34.9% Yes
34.9% YesNo 65.1%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Gersau: 61.2% Yes
61.2% YesNo 38.8%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Gersau: 55.0% Yes
55.0% YesNo 45.0%
14.06.2026Volksinitiative «Kaufkraft stärken – Prämienverbilligung auch für den Mittelstand»Cantonal SZ● Rejected · 40.8% YesDistrict Bezirk Gersau: 41.8% Yes
41.8% YesNo 58.3%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Gersau: 41.6% Yes
41.6% YesNo 58.4%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Gersau: 44.0% Yes
44.0% YesNo 56.0%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Gersau: 69.8% Yes
69.8% YesNo 30.2%
08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict Bezirk Gersau: 67.7% Yes
67.7% YesNo 32.3%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
SVP27.8% · strongest party
SVP27.8%
FDP24.5%
Mitte22.6%
SP10.7%
Übrige7.1%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier145%
Cantonal tax multiplier110%
145%SZ range 64%195%
Tax rank 10 of 30 in canton Schwyz
Tax burden
Single, 100'000 CHF gross income
7'440 CHF(7.4%)
Rank 9 of 30 in the canton · 20 of 2110 in Switzerland
Median canton 7'665 CHF · median Switzerland 15'290 CHF
Cheapest Freienbach 5'617 CHF · most expensive Illgau 8'565 CHF
Income tax as % of gross income
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:7'440 CHF(~7.4%)
GersauCanton range SchwyzSwitzerland median
Show data table
Gross incomeGersauSchwyzSwitzerland median
40'0002.4%1.7–2.8%5.4%
50'0003.8%2.7–4.4%7.8%
60'0004.7%3.4–5.5%10.5%
70'0005.5%4–6.4%11.9%
80'0006.1%4.5–7.1%13.1%
90'0006.7%5–7.7%14.1%
100'0007.4%5.6–8.6%15.3%
110'0008.1%6.2–9.3%16.3%
120'0008.6%6.7–9.9%17.2%
130'0009.1%7.1–10.4%18.1%
140'0009.7%7.6–11%19%
150'00010.1%8–11.5%19.7%
175'00011.3%9–12.7%21.6%
200'00012.2%9.9–13.7%23.2%
225'00013.1%10.7–14.6%24.6%
250'00013.9%11.5–15.4%25.8%
275'00014.6%12.1–16.1%26.8%
300'00015.1%12.6–16.7%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–20204.8 °C
Territorial mean (incl. peaks)8.4 °C
Precipitation 1991–20202'040 mm
4.8 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
1'655 m
Mean elevation
763 m
Relief
1'222 m
Mean slope
16.9°
Flat share
38.7%
South-facing
38.0%
Above 2000 m
0.0%
Relief 1'222 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
Roof potential
15.2 GWh/yr
Roofs + façades
22.1 GWh/yr
≈ households powered
3'400
Per inhabitant
6'080 kWh/yr
15 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
27.38 Rp./kWh
Energy
12.54 Rp./kWh
Grid usage
9.64 Rp./kWh
Levies + grid surcharge
3.6 Rp./kWh
27.38 Rp./kWh10.5645.88
Canton median 27.23 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator EWS 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
Standard model, deductible 300521 CHF/mo
Ø premium in canton Schwyz361 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo

Premiums are set not per municipality but per canton and premium region. Shown is the average adult premium paid in canton Schwyz (2024, BAG) — it applies canton-wide, not to any single location.

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

Housing

BFS · ARE
Vacancy rate
1.41 %
Second homes
25 %
Avg. rooms
3.6
Dwellings
1'627
Built before 194648.0%
Built since 200122.4%
Second Homes Act: no new second-home permits (official building restriction in force).
1.41 %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
560
Workplaces
199
Services share
66.3 %
Jobs by sector: Primary 102 (18.2%) · Secondary 87 (15.5%) · Tertiary 371 (66.3%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
35
Organic share
60 %
Farmland
478 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 112 min · Car 62 min
AgglomerationPT 37 min · Car 21 min
Remoteness 4/30 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number1311
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities2'505 #20 SZ · #840 CHGrowing municipalities1.8% #5 SZ · #429 CHShrinking municipalities1.8% #26 SZ · #1680 CHJobs per resident0.22 #27 SZ · #1671 CHFamilies & children15.3% #29 SZ · #1955 CHAge structure25.1% #3 SZ · #388 CHWomen share48% #19 SZ · #1856 CHForeign residents30.9% #4 SZ · #280 CHPopulation density106/km² #21 SZ · #1435 CHTax burden7'440 #10 SZ · #21 CHTaxes145% #10 SZWarmest municipalities4.8 °C #29 SZ · #2000 CHSunniest municipalities43.6% #20 SZ · #907 CHRainiest municipalities2'040 mm #6 SZ · #19 CHVoter turnout62.3% #12 SZ · #391 CHAgainst Switzerland21.6% #17 SZ · #399 CHAligned with Switzerland78.4% #6 SZ · #1020 CHSVP strongholds27.8% #28 SZ · #1409 CHSP strongholds10.7% #11 SZ · #1447 CHCentre strongholds22.6% #7 SZ · #423 CHFDP strongholds24.5% #5 SZ · #249 CHGLP strongholds3.1% #12 SZ · #1566 CHGreen strongholds3.9% #3 SZ · #1748 CHLargest by area23.6 km² #12 SZ · #405 CHHighest municipalities435 m #23 SZ · #1660 CHSecond homes25% #6 SZ · #288 CHOrganic farming60% #1 SZ · #79 CHBest-connected municipalities112 min #27 SZ · #1864 CHRemotest municipalities112 min #4 SZ · #241 CHHighest peaks1'655 m #14 SZ · #418 CHHighest-lying municipalities763 m #19 SZ · #654 CHGreatest vertical range1'222 m #12 SZ · #404 CHSteepest municipalities16.9° #17 SZ · #491 CHSolar potential15 GWh #21 SZ · #1232 CHSolar potential per capita6'080 kWh #22 SZ · #1824 CHCheapest electricity27.38 Rp./kWh #20 SZ · #1165 CHMost expensive electricity27.38 Rp./kWh #11 SZ · #942 CH

Localities

swisstopo · 2
What is the postal code of Gersau?
Gersau has 2 postal codes: 6410, 6442.
What is the tax rate in Gersau?
The municipal tax multiplier of Gersau is 145% (2026); canton SZ levies 110%.
How much tax do you pay in Gersau?
A single person without children pays about 7'440 CHF income tax in Gersau on 100'000 CHF gross income (federal, cantonal, municipal), rank 9 of 30 in canton SZ. Source: ESTV (2026).
How many residents does Gersau have?
Gersau has 2'505 residents (2025).
How many foreign residents live in Gersau?
Gersau has 773 foreign residents, a share of 30.86% (2025).

Map

OpenStreetMap