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Municipal profile

Coat of arms of Walterswil (SO)

Walterswil (SO)

Canton: Solothurn (SO)

Civiora Index

Derived from official data

27/100

Below the median

National rank: 2’081 / 2’110

Taxes21/100
Premiums45/100
Electricity10/100
Housing61/100
PT service5/100

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

Median altitude508 m
Area4.5 km²
Postcode5746
FSO no.2585
DistrictBezirk Olten
Tax burden15.1 %Single, CHF 80’000 · 2026 more than SwitzerlandSwiss median: 13.1 %
Electricity price31.7 ct./kWhH4 · 2027 more than SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums624 CHF/monthAdult · 2027 more than SwitzerlandSwiss median: 599 CHF
Population768+3.4 % over 5 years (2020–2025) less than SwitzerlandSwiss median: +4.4 %
Vacancy rate1.05 %01.06.2026 more than SwitzerlandSwiss median: 0.83 %
Public transport stops0No 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 Walterswil (SO) pays 15.1% of their gross income in tax, or about CHF 12’080 a year. That is CHF 1’590 more than in the median Swiss municipality.

Walterswil (SO)Swiss median
Single, CHF 80’000 approx. 12’080 CHF/year1’590 CHF/year more
15.1 %
13.1 %
Single, CHF 120’000 approx. 22’370 CHF/year1’670 CHF/year more
18.6 %
17.2 %
Married couple, CHF 120’000 approx. 16’190 CHF/year2’720 CHF/year more
13.5 %
11.2 %
Family, 2 children, CHF 150’000 approx. 17’640 CHF/year2’730 CHF/year more
11.8 %
9.9 %
Retiree, CHF 80’000 approx. 14’540 CHF/year1’560 CHF/year more
18.2 %
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 Walterswil (SO) pays 31.74 ct. per kWh, or about CHF 1’430 a year. That is CHF 217 a year more than in the median Swiss municipality.

31.74 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) 4.51ct./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 Walterswil (SO) 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

Walterswil (SO) has 768 inhabitants at the end of 2025, 3.4% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

768 inhabitants

Density: 171 inhab./km² · 2025

−0.5 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 18.9 %20–64 years 59.0 %65 and over 22.1 %

About 1 resident in 5 is under 20, and 1 in 5 is 65 or over. About 1 resident in 7 (15.1%) 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, 1.05% of homes in Walterswil (SO) were vacant, about 1 in 95 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings401.06.2026
Housing stock (2024)388

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

No public transport stop is recorded in Walterswil (SO).

Public transport stops0No rail stop (bus/other)
Public transport stops / 1’0000.00Swiss median: 3.33

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

Territory and local economy

Official

Walterswil (SO)’s territory is 10.7% built-up, 53.0% farmland and 35.9% forest (survey 2004/2009).

Built-up 10.7 %Farmland 53.0 %Forest 35.9 %Other (water, rock…) 0.4 %
Jobs171reference year 2018
Social assistance rate3.2 %reference year 2019

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