Skip to main content
Switzerland · Canton SO · District

Bezirk Thierstein

Solothurn

Bezirk Thierstein is one of 10 districts of the canton of Solothurn and comprises 12 municipalities with 15'529 residents in all (BFS, 2025). A district is an administrative unit of the canton — a court and administrative area, not a postal delivery area: postal codes and localities follow delivery routes and can cross district borders.

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Federal Statistical Office (FSO), retrieved 12.08.2026

Votes in Bezirk Thierstein

district results as published by BFS
14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)FederalAccepted · 52.5% Yes
55.8% YesNo 44.2%
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»FederalRejected · 45.2% Yes
59.7% YesNo 40.3%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SOAccepted · 58.6% Yes
50.4% YesNo 49.6%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SOAccepted · 58.7% Yes
50.5% YesNo 49.5%
08.03.2026Bundesgesetz über die IndividualbesteuerungFederalAccepted · 54.3% Yes
46.5% YesNo 53.5%
08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»FederalRejected · 38.1% Yes
46.6% YesNo 53.4%
08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederalRejected · 37.4% Yes
47.7% YesNo 52.3%
All federal votes
Federal Statistical Office (FSO), retrieved 12.08.2026

Politics

National Council election 2023 · sum of its municipalities
SVP34.1% · strongest party
SVP34.1%
Mitte24.5%
FDP17.0%
SP7.7%
GRÜNE6.8%
GLP5.7%
Übrige3.3%
EVP0.9%
Büsserach
111 %
median of its municipalities
125 %
Zullwil
139 %

A district has no tax rate of its own. Rates range from 111 % % in Büsserach to 139 % % in Zullwil (median 125 % %).

Tax burden (single, CHF 100,000): 16.1 % in Büsserach to 18 % in Zullwil (ESTV 2'026)

Vacancy rate
2.12 %
Dwellings
7'751
Avg. rooms
4.1
Built before 1946
20.6%

Vacancy rate: published by BFS for the district (2025) · Dwellings: sum of its municipalities (2024)

Population change

BFS · 2025 · sum of its municipalities
Population change 2025
+93 +0.6%
births
117
deaths
156
net migration
+139
BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Economy

BFS · 2024 · sum of its municipalities
Jobs
4'777
Workplaces
1'054
Services share
58.1 %
Jobs by sector: Primary 410 (8.6%) · Secondary 1'591 (33.3%) · Tertiary 2'776 (58.1%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 11.09.2026

Agriculture

BFS · 2025 · sum of its municipalities
Farms
149
Organic share
24.8 %
Farmland
4'413 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Climate · Terrain

MeteoSchweiz · swisstopo
Annual mean temperature
9 °C
Precipitation
1'136 mm
Elevation
326–1'204 m
Flat share
8.3%

Climate: area-weighted over its municipalities · Terrain: swissALTIRegio 40 m, zonal over the district polygon

Energy · Accessibility

BFE · ElCom · ARE
Solar potential
131 GWh
Electricity
31.2 Rp./kWh
Public transport to centre
60 min
Road to centre
37 min

Solar potential: sum of its municipalities · Electricity: median of its municipalities (31.20531.743 Rp./kWh, 2027). ElCom publishes a median per municipality; the district value is our median of those. · Accessibility: median of its municipalities

Map

swisstopo · OSM
Which municipalities belong to Bezirk Thierstein?
Bezirk Thierstein comprises 12 municipalities: Breitenbach, Büsserach, Nunningen, Kleinlützel, Erschwil, Himmelried, Bärschwil, Zullwil, Meltingen, Fehren, Grindel, Beinwil. Together they have 15'529 residents (BFS, 2025).
Which canton is Bezirk Thierstein in?
Bezirk Thierstein lies in the canton of Solothurn, which is divided into 10 districts.
How many people live in Bezirk Thierstein?
Bezirk Thierstein has 15'529 residents (BFS STATPOP, 2025) — the sum of its 12 municipalities; the largest is Breitenbach with 4'440.
Does Bezirk Thierstein have its own tax rate?
No. Tax rates are set by municipalities. In Bezirk Thierstein the municipal rate ranges from 111 % (Büsserach) to 139 % (Zullwil).
How did Bezirk Thierstein vote in the latest federal vote?
On 14.06.2026, Bezirk Thierstein voted 55.8 % yes on “Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)” (Accepted) — the district figure BFS publishes.

Districts exist in 17 cantons; UR, OW, NW, GL, ZG, BS, AI, NE and GE have no such level.