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Municipal profile

Coat of arms of Witterswil

Witterswil

Canton: Solothurn (SO)

Civiora Index

Derived from official data

39/100

Below the median

National rank: 1’802 / 2’110

Taxes42/100
Premiums45/100
Electricity12/100
Housing32/100
PT service55/100

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

Median altitude347 m
Area2.7 km²
Postcode4108
FSO no.2481
DistrictBezirk Dorneck
Tax burden14.2 %Single, CHF 80’000 · 2026 more than SwitzerlandSwiss median: 13.1 %
Electricity price31.2 ct./kWhH4 · 2027 more than SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums624 CHF/monthAdult · 2027 more than SwitzerlandSwiss median: 599 CHF
Population1’475+1.7 % over 5 years (2020–2025) less than SwitzerlandSwiss median: +4.4 %
Vacancy rate0.44 %01.06.2026 less than SwitzerlandSwiss median: 0.83 %
Public transport stops2No 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 Witterswil pays 14.2% of their gross income in tax, or about CHF 11’350 a year. That is CHF 860 more than in the median Swiss municipality.

WitterswilSwiss median
Single, CHF 80’000 approx. 11’350 CHF/year860 CHF/year more
14.2 %
13.1 %
Single, CHF 120’000 approx. 21’100 CHF/year400 CHF/year more
17.6 %
17.2 %
Married couple, CHF 120’000 approx. 15’250 CHF/year1’790 CHF/year more
12.7 %
11.2 %
Family, 2 children, CHF 150’000 approx. 16’600 CHF/year1’700 CHF/year more
11.1 %
9.9 %
Retiree, CHF 80’000 approx. 13’680 CHF/year700 CHF/year more
17.1 %
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 Witterswil pays 31.20 ct. per kWh, or about CHF 1’400 a year. That is CHF 193 a year more than in the median Swiss municipality.

31.20 ct./kWh

more than SwitzerlandSwiss median: 26.91 ct./kWh

Tariff breakdown

Energy (the electricity itself) 13.45Grid (delivery to the meter) 13.78Levies and surcharge (public charges and levies) 3.97ct./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 Witterswil pays a median CHF 624 a month for basic health insurance, or about CHF 7’490 a year (CHF 300 deductible, accident cover included). That is CHF 25 a month more than the Swiss median (CHF 599).

624 CHF/month

more than SwitzerlandSwiss median: 599 CHF

Median monthly premium 2027, adult (26+), CHF 300 deductible, with accident, standard model: median of the 25 offers in premium region SO-0 (Civiora calculation on FOPH data).

Official FOPH average premiums 2027 (all deductibles and models)

Adult493.50 CHF/monthapprox. 5’920 CHF/year
19–25 years332.40 CHF/monthapprox. 3’990 CHF/year
Child124.60 CHF/monthapprox. 1’500 CHF/year

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

Population and demographics

Official

Witterswil has 1’475 inhabitants at the end of 2025, 1.7% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

1’475 inhabitants

Density: 552 inhab./km² · 2025

−1.7 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 20.4 %20–64 years 56.1 %65 and over 23.5 %

About 1 resident in 5 is under 20, and 1 in 4 is 65 or over. About 1 resident in 5 (18.3%) 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, 0.44% of homes in Witterswil were vacant, about 1 in 227 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings301.06.2026
Housing stock (2024)667

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

Witterswil has 2 public transport stops. On an ordinary Tuesday, 388 departures are scheduled across all stops, 88 of them after 8 pm.

Public transport stops2No rail stop (bus/other)
Departures on a typical Tuesday388of which evening (from 8 pm): 88 (23 %)
Departures on a typical Sunday400103 % of the typical Tuesday
Public transport stops / 1’0001.36Swiss 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

Witterswil’s territory is 14.0% built-up, 65.9% farmland and 20.1% forest (survey 2004/2009).

Built-up 14.0 %Farmland 65.9 %Forest 20.1 %
Jobs529reference year 2018
Establishments85reference year 2018
Social assistance rate0.8 %reference year 2019

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