Basel-Landschaft · Bezirk Arlesheim · BFS commune no. 2775[7]
Therwil
Single person, gross income CHF 100’000, median insurer. See how Therwil ranks for your household →
Compare Therwil with another commune →
Therwil has 10’141 residents, making it the 11th largest of the 86 communes in the canton of Basel-Landschaft.
20% 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 15’536 a year in income tax here, less than in 4 of its 6 neighbouring communes and among the lowest quarter in Basel-Landschaft.
The median standard adult health insurance premium is CHF 660 a month, above the Swiss median of CHF 564.
The closest of our job hubs by public transport is Basel SBB, about 35 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]
| Profile | CHF 50’000 | CHF 80’000 | CHF 100’000 | CHF 150’000 | CHF 200’000 | CHF 300’000 |
|---|---|---|---|---|---|---|
| Single, no children | 4’072 8.1% | 10’494 13.1% | 15’536 15.5% | 30’456 20.3% | 47’380 23.7% | 84’087 28.0% |
| Married, single income, no children | 937 1.9% | 4’828 6.0% | 8’566 8.6% | 20’382 13.6% | 35’922 18.0% | 71’397 23.8% |
| Married, dual income (70/30), no children | 795 1.6% | 4’522 5.7% | 8’098 8.1% | 19’292 12.9% | 33’360 16.7% | 68’310 22.8% |
| Married, single income, 2 children | 0 0.0% | 1’949 2.4% | 5’129 5.1% | 16’439 11.0% | 30’944 15.5% | 66’405 22.1% |
Tax multipliers 2026: canton 100%, commune 52%. Church tax, if you are a member: Protestant 0.5%, Roman Catholic 7%.[2]
Health insurance premiums 2027
Monthly basic insurance premium, standard model, premium region 1 of Basel-Landschaft.[3]
| Cheapest insurer | Median insurer | |
|---|---|---|
| Adult (26+), CHF 300 deductible, without accident cover | CHF 605 | CHF 660 |
| Child (0–18), CHF 0 deductible, with accident cover | CHF 153 | CHF 170 |
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]
| Hub | Minutes |
|---|---|
| Basel SBB | 35 |
| Allschwil | 41 |
| Muttenz | 48 |
| Liestal | 58 |
| Olten | 75 |
| Aarau | 88 |
| Delémont | 88 |
| Zürich HB | 111 |
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).
| Commune | Tax CHF/yr[1] | Premium CHF/mo[3] | Population[4] |
|---|---|---|---|
| Biel-Benken | 14’990 | 660 | 3’550 |
| Oberwil (BL) | 15’354 | 660 | 11’459 |
| Therwil | 15’536 | 660 | 10’141 |
| Aesch (BL) | 15’900 | 660 | 11’327 |
| WitterswilSO | 16’019 | 590 | 1’475 |
| Reinach (BL) | 16’128 | 660 | 21’003 |
| Ettingen | 16’355 | 660 | 5’625 |
Compare Therwil with: Reinach (BL), Oberwil (BL), Aesch (BL)
Population
Sources
- 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.
- 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.
- Source: Federal Statistical Office (FSO/BFS), STATPOP 2025. Permanent resident population (STATPOP) 2025; reference date 2025-12-31; downloaded 2026-11-03. Licence.
- © swisstopo. swissBOUNDARIES3D (swissboundaries3d_2026-01); reference date 2026-01-01; downloaded 2026-11-03. Licence.
- 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.
- 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.
- Wikimedia Commons. Coats of arms of Swiss communes; reference date 2026-11-03; downloaded 2026-11-03. Licence.
Coat of arms: Coat of arms of Therwil.svg, Jwnabd, Public domain. Shown to identify the commune; Vicinus is not affiliated with it.
