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Municipal profile

Coat of arms of Lostorf

Lostorf

Canton: Solothurn (SO)

Civiora Index

Derived from official data

48/100

Below the median

National rank: 1’342 / 2’110

Taxes39/100
Premiums45/100
Electricity10/100
Housing96/100
PT service56/100

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

Median altitude561 m
Area13.2 km²
Postcode4634
FSO no.2493
DistrictBezirk Gösgen
Tax burden14.4 %Single, CHF 80’000 · 2026 more than SwitzerlandSwiss median: 13.1 %
Electricity price31.6 ct./kWhH4 · 2027 more than SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums624 CHF/monthAdult · 2027 more than SwitzerlandSwiss median: 599 CHF
Population4’113+3.8 % over 5 years (2020–2025) less than SwitzerlandSwiss median: +4.4 %
Vacancy rate4.07 %01.06.2026 more than SwitzerlandSwiss median: 0.83 %
Public transport stops10No 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 Lostorf pays 14.4% of their gross income in tax, or about CHF 11’490 a year. That is CHF 1’000 more than in the median Swiss municipality.

LostorfSwiss median
Single, CHF 80’000 approx. 11’490 CHF/year1’000 CHF/year more
14.4 %
13.1 %
Single, CHF 120’000 approx. 21’340 CHF/year640 CHF/year more
17.8 %
17.2 %
Married couple, CHF 120’000 approx. 15’420 CHF/year1’960 CHF/year more
12.8 %
11.2 %
Family, 2 children, CHF 150’000 approx. 16’800 CHF/year1’890 CHF/year more
11.2 %
9.9 %
Retiree, CHF 80’000 approx. 13’840 CHF/year860 CHF/year more
17.3 %
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 Lostorf pays 31.59 ct. per kWh, or about CHF 1’420 a year. That is CHF 211 a year more than in the median Swiss municipality.

31.59 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) 4.36ct./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 Lostorf 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

Lostorf has 4’113 inhabitants at the end of 2025, 3.8% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

4’113 inhabitants

Density: 310 inhab./km² · 2025

−0.4 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 19.1 %20–64 years 57.4 %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 8 (12.4%) 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, 4.07% of homes in Lostorf were vacant, about 1 in 25 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings8101.06.2026
Housing stock (2024)1’982

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

Lostorf has 10 public transport stops. On an ordinary Tuesday, 1’046 departures are scheduled across all stops, 120 of them after 8 pm.

Public transport stops10No rail stop (bus/other)
Departures on a typical Tuesday1’046of which evening (from 8 pm): 120 (11 %)
Departures on a typical Sunday38237 % of the typical Tuesday
Public transport stops / 1’0002.43Swiss 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

Lostorf’s territory is 13.8% built-up, 37.6% farmland and 48.5% forest (survey 2004/2009).

Built-up 13.8 %Farmland 37.6 %Forest 48.5 %Other (water, rock…) 0.1 %
Jobs977reference year 2018
Establishments205reference year 2018
Social assistance rate1.6 %reference year 2019

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