Vicinus

Solothurn · Bezirk Thierstein · BFS commune no. 2615[7]

Coat of arms of ErschwilErschwil

Left of CHF 100’000CHF 75’672per year, after tax and insurance
Income tax[1]CHF 17’25017.3% of income
Health insurance[3]CHF 590adult, per month
Residents[4]99617.8% foreign nationals
Nearest job hub[6]59 minto Basel SBB

Single person, gross income CHF 100’000, median insurer. See how Erschwil ranks for your household →
Compare Erschwil with another commune →

Beinwil (SO)BüsserachGrindelMeltingenVal Terbi Beinwil (SO)BüsserachGrindelMeltingenVal Terbi Erschwil

Erschwil has 996 residents, making it the 76th largest of the 104 communes in the canton of Solothurn.

18% of residents are foreign nationals, below the Swiss average of 28%.

With 25% of residents aged 65 or over, the population is older than the Swiss average (20%).

A single person earning CHF 100’000 pays about CHF 17’250 a year in income tax here, less than in 1 of its 5 neighbouring communes and among the highest quarter in Solothurn.

The median standard adult health insurance premium is CHF 590 a month, above the Swiss median of CHF 564.

The closest of our job hubs by public transport is Basel SBB, about 59 minutes away on a weekday morning.

Income tax

Income tax 2026 (federal, cantonal and communal; no church tax) for an employee with gross labour income of…[1]

ProfileCHF 50’000CHF 80’000CHF 100’000CHF 150’000CHF 200’000CHF 300’000
Single, no children5’326
10.7%		12’255
15.3%		17’250
17.3%		31’799
21.2%		48’700
24.4%		84’831
28.3%
Married, single income, no children1’823
3.6%		7’287
9.1%		11’679
11.7%		24’236
16.2%		40’068
20.0%		75’765
25.3%
Married, dual income (70/30), no children1’490
3.0%		6’657
8.3%		11’013
11.0%		23’051
15.4%		37’202
18.6%		72’159
24.1%
Married, single income, 2 children140
0.3%		2’669
3.3%		6’228
6.2%		17’909
11.9%		32’720
16.4%		67’953
22.7%

Tax multipliers 2026: canton 104%, commune 128%. Church tax, if you are a member: Protestant 12%, Roman Catholic 18%.[2]

Health insurance premiums 2027

Monthly basic insurance premium, standard model, single premium region of Solothurn.[3]

Cheapest insurerMedian insurer
Adult (26+), CHF 300 deductible, without accident coverCHF 553CHF 590
Child (0–18), CHF 0 deductible, with accident coverCHF 128CHF 149

Commute to job hubs

Median door-to-door time by public transport and on foot, weekday departures every minute 07:00–08:30, from the commune's busiest station. Includes waiting for the next departure.[6]

HubMinutes
Basel SBB59
Muttenz72
Delémont75
Liestal81
Allschwil85
Olten95
Biel/Bienne107
Aarau111

Hubs more than 3 hours away are not listed. Commute to any commune or postcode: Ranking →

Compared with neighbouring communes

Single person, gross income CHF 100’000: income tax per year and median adult premium per month (CHF).

CommuneTax CHF/yr[1]Premium CHF/mo[3]Population[4]
Büsserach16’0765902’473
Val TerbiJU16’4076603’240
Meltingen16’897590623
Beinwil (SO)17’030590248
Erschwil17’250590996
Grindel17’394590508

Population

Residents996[4]
Foreign nationals17.8%
Aged 0–1920.7%
Aged 20–6454.1%
Aged 65+25.2%
Area7.43 km²[5]

Sources

  1. Source: Federal Tax Administration (FTA/ESTV), tax burden statistics 2026. Tax burden in the communes, tax year 2026; reference date tax year 2026; downloaded 2026-11-03. Licence.
  2. Source: Federal Tax Administration (FTA/ESTV), tax multipliers 2026. Tax multipliers (income tax), tax year 2026; reference date tax year 2026; downloaded 2026-11-03. Licence.
  3. Source: Federal Office of Public Health (FOPH), health insurance premiums 2027. Health insurance premiums 2027 (mandatory basic insurance); reference date 2027 premiums (published Sept 2026); downloaded 2026-11-03. Licence.
  4. Source: Federal Statistical Office (FSO/BFS), STATPOP 2025. Permanent resident population (STATPOP) 2025; reference date 2025-12-31; downloaded 2026-11-03. Licence.
  5. © swisstopo. swissBOUNDARIES3D (swissboundaries3d_2026-01); reference date 2026-01-01; downloaded 2026-11-03. Licence.
  6. Timetable: opentransportdata.swiss; walking network © OpenStreetMap contributors. Public transport commute to job hubs (computed); reference date timetable fahrplan-2026-gtfs2020, 2026-11-03 07:00–08:30; downloaded 2026-11-02. Licence.
  7. Source: Federal Statistical Office (FSO/BFS), Swiss official commune register. Swiss official commune register (historicized); reference date 2026-11-03; downloaded 2026-11-03. Licence.
  10. Wikimedia Commons. Coats of arms of Swiss communes; reference date 2026-11-03; downloaded 2026-11-03. Licence.

Coat of arms: Erschwil-blason.png, Voyager, CC BY-SA 3.0. Shown to identify the commune; Vicinus is not affiliated with it.