What is the postal code of Illgau?

The postal code of Illgau is 6434.

What is the tax rate in Illgau?

The municipal tax multiplier of Illgau is 195% (2026); canton SZ levies 110%.

How much tax do you pay in Illgau?

A single person without children pays about 8'565 CHF income tax in Illgau on 100'000 CHF gross income (federal, cantonal, municipal), rank 29 of 30 in canton SZ. Source: ESTV (2026).

How many residents does Illgau have?

Illgau has 819 residents (2025).

How many foreign residents live in Illgau?

Illgau has 37 foreign residents, a share of 4.52% (2025).

Switzerland · Canton SZ

Illgau

6434

SZ CANTON6434

Residents

819

Area

11 km²

Population density

75 pop./km²

Elevation

1'128 m a.s.l.

Terrain up to

1'765 m a.s.l.

Tax multiplier

195%

Postal codes

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

Demographics

BFS · 2025

Women

398 48.6%

Men

421 51.4%

Children & youth (0–19)

191 23.3%

Swiss citizens

782 95.5%

Foreign residents

37 4.5%

Population density

75 pop./km²

0–19 · 191 · 23.3%20–64 · 492 · 60.1%65+ · 136 · 16.6%

Foreign residents 4.5%0%64.0%

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

Vote results for Illgau

BFS

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

63.9% YesNo 36.1%

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

78.9% YesNo 21.1%

14.06.2026Volksinitiative «Kaufkraft stärken – Prämienverbilligung auch für den Mittelstand»Cantonal SZ● Rejected · 40.8% Yes

29.3% YesNo 70.7%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

20.8% YesNo 79.2%

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

11.6% YesNo 88.4%

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

51.9% YesNo 48.1%

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

56.1% YesNo 43.9%

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

67.7% YesNo 32.3%

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

63.0% YesNo 37.0%

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

7.4% YesNo 92.6%

All federal votes →

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

Politics

National Council election 2023

SVP32.6% · strongest party

SVP32.6%

Übrige31.2%

Mitte25.9%

FDP5.9%

SP2.5%

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

Taxes 2026

ESTV

Municipal tax multiplier195%

Cantonal tax multiplier110%

195%SZ range 64%195%

Tax rank 29 of 30 in canton Schwyz

Tax burden

Single, 100'000 CHF gross income

8'565 CHF(8.6%)

Rank 29 of 30 in the canton · 40 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

100'000 CHF:8'565 CHF(~8.6%)

IllgauCanton range SchwyzSwitzerland median

Show data table

Gross income	Illgau	Schwyz	Switzerland median
40'000	2.8%	1.7–2.8%	5.4%
50'000	4.4%	2.7–4.4%	7.8%
60'000	5.5%	3.4–5.5%	10.5%
70'000	6.4%	4–6.4%	11.9%
80'000	7.1%	4.5–7.1%	13.1%
90'000	7.7%	5–7.7%	14.1%
100'000	8.6%	5.6–8.6%	15.3%
110'000	9.3%	6.2–9.3%	16.3%
120'000	9.9%	6.7–9.9%	17.2%
130'000	10.4%	7.1–10.4%	18.1%
140'000	11%	7.6–11%	19%
150'000	11.5%	8–11.5%	19.7%
175'000	12.7%	9–12.7%	21.6%
200'000	13.7%	9.9–13.7%	23.2%
225'000	14.6%	10.7–14.6%	24.6%
250'000	15.4%	11.5–15.4%	25.8%
275'000	16.1%	12.1–16.1%	26.8%
300'000	16.7%	12.6–16.7%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–20206.1 °C

Precipitation 1991–20202'153 mm

6.1 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

1'765 m

Mean elevation

1'262 m

Relief

992 m

Mean slope

17.9°

Flat share

6.5%

South-facing

43.3%

Above 2000 m

0.0%

Relief 992 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

6.4 GWh/yr

Roofs + façades

9.8 GWh/yr

≈ households powered

1'400

6 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

26.27 Rp./kWh

Energy

10 Rp./kWh

Grid usage

10.73 Rp./kWh

Levies + grid surcharge

3.54 Rp./kWh

26.27 Rp./kWh9.6443.61

Canton median 28.16 Rp./kWhSwiss median 27.7 Rp./kWh

Network operator ebs Energie 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 %

Avg. rooms

4.2

Dwellings

389

Built before 194613.6%

Built since 200137.8%

0 %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 124 min · Car 66 min

AgglomerationPT 42 min · Car 20 min

Remoteness 1/30 in canton

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

Municipality

Wikidata · CC0

Websiteillgau.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities819 #27 SZ · #1572 CH Families & children23.3% #2 SZ · #263 CH Age structure16.6% #26 SZ · #1826 CH Women share48.6% #13 SZ · #1674 CH Foreign residents4.5% #30 SZ · #2030 CH Population density75/km² #22 SZ · #1615 CH Tax burden8'565 #29 SZ · #40 CH Taxes195% #29 SZ Warmest municipalities6.1 °C #26 SZ · #1936 CH Sunniest municipalities45% #6 SZ · #662 CH Rainiest municipalities2'153 mm #2 SZ · #7 CH Voter turnout60.1% #15 SZ · #469 CH SVP strongholds32.6% #25 SZ · #1119 CH SP strongholds2.5% #29 SZ · #2010 CH Centre strongholds25.9% #2 SZ · #335 CH FDP strongholds5.9% #29 SZ · #1791 CH GLP strongholds0.3% #29 SZ · #2001 CH Green strongholds1.5% #21 SZ · #1991 CH Largest by area11 km² #26 SZ · #893 CH Highest municipalities1'128 m #4 SZ · #192 CH Remotest municipalities124 min #1 SZ · #150 CH Best-connected municipalities124 min #30 SZ · #1951 CH Highest peaks1'765 m #10 SZ · #397 CH Highest-lying municipalities1'262 m #7 SZ · #282 CH Greatest vertical range992 m #17 SZ · #447 CH Steepest municipalities17.9° #13 SZ · #456 CH Solar potential6 GWh #28 SZ · #1804 CH Cheapest electricity26.27 Rp./kWh #6 SZ · #511 CH Most expensive electricity26.27 Rp./kWh #20 SZ · #1591 CH

Postal codes (1)

swisstopo

6434

Illgau

Localities

swisstopo · 1

Illgau6434

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Illgau?: The postal code of Illgau is 6434.
What is the tax rate in Illgau?: The municipal tax multiplier of Illgau is 195% (2026); canton SZ levies 110%.
How much tax do you pay in Illgau?: A single person without children pays about 8'565 CHF income tax in Illgau on 100'000 CHF gross income (federal, cantonal, municipal), rank 29 of 30 in canton SZ. Source: ESTV (2026).
How many residents does Illgau have?: Illgau has 819 residents (2025).
How many foreign residents live in Illgau?: Illgau has 37 foreign residents, a share of 4.52% (2025).

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