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Municipal profile

Coat of arms of Illgau

Illgau

Canton: Schwyz (SZ)

Civiora Index

Derived from official data

71/100

Above the median

National rank: 303 / 2’110 · Top 15% nationally

Taxes97/100
Premiums87/100
Electricity79/100
Housing8/100
PT service57/100

Confidence level: high · v1.1.0 · Civiora Index computed from official public data. Proprietary, non-official index. Understand the index

Median altitude1’214 m
Area11.0 km²
Postcode6434
FSO no.1363
DistrictBezirk Schwyz
Tax burden7.1 %Single, CHF 80’000 · 2026 less than SwitzerlandSwiss median: 13.1 %
Electricity price25.1 ct./kWhH4 · 2027 less than SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums545 CHF/monthAdult · 2027 less than SwitzerlandSwiss median: 599 CHF
Population819+3.0 % over 5 years (2020–2025) less than SwitzerlandSwiss median: +4.4 %
Vacancy rate0.00 %01.06.2026 less than SwitzerlandSwiss median: 0.83 %
Public transport stops3No rail stop (bus/other)

Taxes: tax burden by scenario

Tax burden ranking →Official

On a salary of CHF 80’000 a year, a single person in Illgau pays 7.1% of their gross income in tax, or about CHF 5’700 a year. That is CHF 4’790 less than in the median Swiss municipality.

IllgauSwiss median
Single, CHF 80’000 approx. 5’700 CHF/year4’790 CHF/year less
7.1 %
13.1 %
Single, CHF 120’000 approx. 11’860 CHF/year8’840 CHF/year less
9.9 %
17.2 %
Married couple, CHF 120’000 approx. 8’260 CHF/year5’210 CHF/year less
6.9 %
11.2 %
Family, 2 children, CHF 150’000 approx. 8’860 CHF/year6’040 CHF/year less
5.9 %
9.9 %
Retiree, CHF 80’000 approx. 7’710 CHF/year5’270 CHF/year less
9.6 %
16.2 %

2026 tax burden in % of gross income (federal, cantonal and communal taxes; earned income, no wealth, no church tax). Calculation FTA, Swiss tax calculator.

Federal Tax Administration (FTA)Tax burden 2026: Swiss tax calculator (model cases)View source

Electricity

2027 tariff ranking →Official

A typical household (profile H4, 4’500 kWh a year) in Illgau pays 25.09 ct. per kWh, or about CHF 1’130 a year. That is CHF 82 a year less than in the median Swiss municipality.

25.09 ct./kWh

less than SwitzerlandSwiss median: 26.91 ct./kWh

Tariff breakdown

Energy (the electricity itself) 9.16Grid (delivery to the meter) 10.45Levies and surcharge (public charges and levies) 5.48ct./kWh

Federal Electricity Commission (ElCom)Electricity tariffs 2027, profile H4, standard productView source

Health insurance premiums

2027 premium ranking →Derived from official data

An adult in Illgau pays a median CHF 545 a month for basic health insurance, or about CHF 6’540 a year (CHF 300 deductible, accident cover included). That is CHF 54 a month less than the Swiss median (CHF 599).

545 CHF/month

less than SwitzerlandSwiss median: 599 CHF

Median monthly premium 2027, adult (26+), CHF 300 deductible, with accident, standard model: median of the 28 offers in premium region SZ-0 (Civiora calculation on FOPH data).

Official FOPH average premiums 2027 (all deductibles and models)

Adult418.50 CHF/monthapprox. 5’020 CHF/year
19–25 years277.10 CHF/monthapprox. 3’330 CHF/year
Child107.70 CHF/monthapprox. 1’290 CHF/year

Federal Office of Public Health (FOPH)Compulsory health insurance premiums 2027 (priminfo)View source

Population and demographics

Official

Illgau has 819 inhabitants at the end of 2025, 3.0% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

819 inhabitants

Density: 75 inhab./km² · 2025

−0.4 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 23.3 %20–64 years 60.1 %65 and over 16.6 %

About 1 resident in 4 is under 20, and 1 in 6 is 65 or over. About 1 resident in 22 (4.5%) holds a foreign nationality.

Federal Statistical Office (FSO)STATPOP: permanent resident population (STAT-TAB), status 31.12.2025View source

Housing

Vacancy rate ranking →Official

On 1 June 2026, no vacant home was recorded in Illgau (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings001.06.2026
Housing stock (2024)389

Federal Statistical Office (FSO)Vacant dwellings count, 1 June 2026View source

Federal Statistical Office (FSO)Buildings and dwellings statistics (GWS): housing stock 2024View source

Public transport

Derived from official data

Illgau has 3 public transport stops. On an ordinary Tuesday, 10 departures are scheduled across all stops, 0 of them after 8 pm.

Public transport stops3No rail stop (bus/other)
Departures on a typical Tuesday10of which evening (from 8 pm): 0 (0 %)
Departures on a typical Sunday10100 % of the typical Tuesday
Public transport stops / 1’0003.66Swiss median: 3.33

Departures counted in the official 2026 timetable (GTFS) on typical days: Tuesday 08.09.2026 and Sunday 13.09.2026. Every call at every stop in the municipality counts as one departure. Civiora calculation.

opentransportdata.swiss (ATLAS, SBB on behalf of the Confederation)Public transport service points, status 04.08.2026View source

opentransportdata.swiss (official GTFS timetable)2026 timetable (GTFS, 01.08.2026 edition): typical daysView source

Territory and local economy

Official

Illgau’s territory is 3.5% built-up, 62.1% farmland and 31.8% forest (survey 2004/2009).

Built-up 3.5 %Farmland 62.1 %Forest 31.8 %Other (water, rock…) 2.6 %
Jobs188reference year 2018
Establishments56reference year 2018

Federal Statistical Office (FSO)Regional portraits 2021: key figures of communesView source