Grenchen 
SO
Grenchen is a commune in the canton of Solothurn with 18,973 residents (FSO), 40.9 % of them foreign nationals. On a gross salary of CHF 100,000 a single person pays CHF 16,386 in income tax here, rank 1,497 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 124 | 124 | 124 | 123 | 122 | 121 | 120 | 117.5 | 117 | 114.9 | 114.9 |
FTA; comparable within the canton only. All multipliers in the canton of Solothurn
Work it out yourself
Compare taxes in every commune Gross-to-net calculator Moving cost calculator My commune
Typically Grenchen: specialities, brands, sights
What makes Grenchen special, from official registers and gathered with pleasure.
Protected specialities (PDO/PGI)
Grenchen lies in the area of origin of these protected specialities:
- Emmentaler cheese
Sources: FOAG (register of PDO/PGI), FOC and FOEN (UNESCO World Heritage, parks), FOCP (inventory of cultural property), commercial register (Zefix), Culinary Heritage of Switzerland.
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 | 129.6 | 130.0 | −0.4 | −23 |
| 2023 | 117.5 | 122.2 | −4.7 | −256 |
| 2022 | 112.1 | 110.7 | 1.4 | 79 |
| 2021 | 107.8 | 108.5 | −0.7 | −42 |
| 2020 | 107.0 | 108.0 | −1.0 | −58 |
| 2019 | 119.0 | 117.8 | 1.3 | 73 |
| 2018 | 105.0 | 101.5 | 3.5 | 200 |
| 2017 | 94.1 | 96.8 | −2.6 | −154 |
| 2016 | 92.9 | 99.1 | −6.2 | −362 |
| 2015 | 94.0 | 97.4 | −3.5 | −207 |
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 | 144 | 178 | 168 | 176 | 193 | 164 | 148 | 172 | 153 | 170 |
| Deaths | 166 | 216 | 187 | 204 | 230 | 203 | 229 | 203 | 195 | 204 |
FSO, demographic balance · Births and deaths in the canton of Solothurn
Immigration and emigration
In 2025, 365 people moved to Grenchen from abroad, 339 of them foreign nationals; 219 moved abroad. Net international migration: +146.
Arrivals and departures by world region 2025
| Origin | arrived | left |
|---|---|---|
| Switzerland | 26 | 35 |
| EU | 235 | 136 |
| rest of Europe | 62 | 37 |
| Africa | 21 | 3 |
| North America | 1 | 0 |
| Latin America and Caribbean | 3 | 3 |
| Asia | 17 | 5 |
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 22rest of Europe 21Africa 3North America 1Asia 7
FSO
The canton compared
| Figure | Value | Rank | Year |
|---|---|---|---|
| Canton tax (example) | CHF 11,457 | 23 / 26 | 2026 |
| Average rent | CHF 1,281 | 6 / 26 | 2024 |
| Health premium | CHF 633 | 18 / 26 | 2027 |
| Electricity price | 28.51 Rp./kWh | 18 / 26 | 2027 |
| Vacant homes | 2.0 % | 2 / 26 | 2025 |
| Unemployment | 3.0 % | 17 / 26 | 2026 |
Nearby communes
- BettlachSolothurn · 2 km
- Lengnau (BE)Bern · 2 km
- ArchBern · 4 km
- Romont (BE)Bern · 4 km
- SelzachSolothurn · 5 km
- PieterlenBern · 5 km
- Rüti bei BürenBern · 5 km
- MeinisbergBern · 5 km
Frequently asked questions
How many people live in Grenchen?
18,973 (FSO).
How high are taxes in Grenchen?
On a gross salary of CHF 100,000 a single person pays CHF 16,386 in federal, cantonal and communal tax (FTA).
How much tax does a family pay in Grenchen?
A married couple with two children and a gross salary of CHF 100,000 pays CHF 5,904 in federal, cantonal and communal tax (FTA).
What share of residents are foreign nationals in Grenchen?
40.9 % of residents do not hold Swiss citizenship (FSO).
Sources: FSO, FTA, FFA, SECO, FOPH · www.grenchen.ch · JSON · Coat of arms: Wikimedia Commons (public domain) · Archive
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