Therwil 
BL
Therwil is a commune in the canton of Basel-Landschaft with 10,141 residents (FSO), 20.2 % of them foreign nationals. On a gross salary of CHF 100,000 a single person pays CHF 15,536 in income tax here, rank 1,114 of 2,110 communes (FTA).
Authorities, contacts and news for this commune will follow.
Taxes
Federal, cantonal and communal, without church tax, official FTA tax calculator. Rank 1 = lowest tax.
Commune tax multiplier
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 |
FTA; comparable within the canton only. All multipliers in the canton of Basel-Landschaft
Work it out yourself
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Charging stations near you
Free public charge points within 3 km, live from the Swiss Federal Office of Energy. Your location is used for this one lookup only and is never stored.
Commune finances
Show table
| Year | Revenue m | Expenditure m | Result m | per resident CHF |
|---|---|---|---|---|
| 2024 | 49.3 | 51.7 | −2.4 | −242 |
| 2023 | 50.0 | 47.5 | 2.5 | 245 |
| 2022 | 49.4 | 43.7 | 5.6 | 568 |
| 2021 | 46.7 | 45.6 | 1.1 | 114 |
| 2020 | 46.6 | 46.9 | −0.3 | −25 |
| 2019 | 44.1 | 43.9 | 0.2 | 18 |
| 2018 | 47.6 | 55.3 | −7.7 | −785 |
| 2017 | 45.7 | 52.1 | −6.5 | −648 |
| 2016 | 42.8 | 54.8 | −11.9 | −1,193 |
| 2015 | 47.6 | 42.9 | 4.7 | 466 |
Result = revenue minus expenditure of the income statement. Source: FFA financial statistics.
The commune in figures
Births and deaths
| Year | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Births | 87 | 82 | 84 | 78 | 72 | 73 | 63 | 67 | 60 | 68 |
| Deaths | 73 | 70 | 88 | 64 | 91 | 102 | 111 | 115 | 85 | 109 |
FSO, demographic balance · Births and deaths in the canton of Basel-Landschaft
Immigration and emigration
In 2025, 96 people moved to Therwil from abroad, 73 of them foreign nationals; 71 moved abroad. Net international migration: +25.
Arrivals and departures by world region 2025
| Origin | arrived | left |
|---|---|---|
| Switzerland | 23 | 20 |
| EU | 54 | 31 |
| rest of Europe | 8 | 14 |
| Africa | 3 | 2 |
| Latin America and Caribbean | 3 | 4 |
| Asia | 5 | 0 |
For individual communes the FSO publishes nationality by world region only. Source: FSO, migration statistics of the permanent resident population.
Naturalisations
Origin of people naturalised in 2025: EU 9rest of Europe 5Africa 6Asia 5
FSO
The canton compared
| Figure | Value | Rank | Year |
|---|---|---|---|
| Canton tax (example) | CHF 11,314 | 21 / 26 | 2026 |
| Average rent | CHF 1,528 | 21 / 26 | 2024 |
| Health premium | CHF 689 | 20 / 26 | 2027 |
| Electricity price | 31.21 Rp./kWh | 25 / 26 | 2027 |
| Vacant homes | 0.8 % | 16 / 26 | 2025 |
| Unemployment | 3.1 % | 20 / 26 | 2026 |
Nearby communes
- Oberwil (BL)Basel-Landschaft · 2 km
- EttingenBasel-Landschaft · 2 km
- Biel-BenkenBasel-Landschaft · 3 km
- Reinach (BL)Basel-Landschaft · 3 km
- WitterswilSolothurn · 3 km
- BottmingenBasel-Landschaft · 3 km
- Hofstetten-FlühSolothurn · 4 km
- BättwilSolothurn · 4 km
Frequently asked questions
How many people live in Therwil?
10,141 (FSO).
How high are taxes in Therwil?
On a gross salary of CHF 100,000 a single person pays CHF 15,536 in federal, cantonal and communal tax (FTA).
How much tax does a family pay in Therwil?
A married couple with two children and a gross salary of CHF 100,000 pays CHF 5,129 in federal, cantonal and communal tax (FTA).
What share of residents are foreign nationals in Therwil?
20.2 % of residents do not hold Swiss citizenship (FSO).
Sources: FSO, FTA, FFA, SECO, FOPH · www.therwil.ch · JSON · Coat of arms: Wikimedia Commons (public domain) · Archive
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