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Demographics

BFS · 2025
Women
1'220 49.3%
Men
1'253 50.7%
Children & youth (0–19)
483 19.5%
Swiss citizens
2'047 82.8%
Foreign residents
426 17.2%
Population density
328 pop./km²
0–19 · 483 · 19.5%20–64 · 1'483 · 60.0%65+ · 507 · 20.5%
Foreign residents 17.2%0%64.0%
Population change 2025: +23 (+0.9%) · 18 births · 16 deaths · net migration +22
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Thierstein: 38.5% Yes
39.8% YesNo 60.2%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Thierstein: 55.8% Yes
59.4% YesNo 40.6%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Thierstein: 59.7% Yes
61.9% YesNo 38.1%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Thierstein: 50.4% Yes
45.8% YesNo 54.2%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Thierstein: 50.5% Yes
46.1% YesNo 53.9%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Thierstein: 46.5% Yes
44.1% YesNo 56.0%
08.03.2026Popular Initiative ‘For a fair energy and climate policy: Investing for prosperity, jobs and the environment (Climate Fund Initiative)’Federal● Rejected · 29.3% YesDistrict Bezirk Thierstein: 20.1% Yes
17.6% YesNo 82.4%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Thierstein: 46.6% Yes
46.1% YesNo 53.9%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Thierstein: 47.7% Yes
48.7% YesNo 51.3%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
SVP39.1% · strongest party
SVP39.1%
Mitte20.8%
FDP17.9%
SP6.2%
GRÜNE5.8%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier111%
Cantonal tax multiplier104%
111%SO range 65%145%
Tax rank 24 of 104 in canton Solothurn
Tax burden
Single, 100'000 CHF gross income
16'076 CHF(16.1%)
Rank 23 of 104 in the canton · 1306 of 2110 in Switzerland
Median canton 16'810 CHF · median Switzerland 15'290 CHF
Cheapest Kammersrohr 13'027 CHF · most expensive Bolken 18'375 CHF
Income tax as % of gross income
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:16'076 CHF(~16.1%)
BüsserachCanton range SolothurnSwitzerland median
Show data table
Gross incomeBüsserachSolothurnSwitzerland median
40'0007.6%6.1–8.8%5.4%
50'0009.8%7.9–11.4%7.8%
60'00011.7%9.4–13.5%10.5%
70'00013.1%10.5–15.1%11.9%
80'00014.2%11.5–16.3%13.1%
90'00015.1%12.2–17.3%14.1%
100'00016.1%13–18.4%15.3%
110'00016.9%13.8–19.3%16.3%
120'00017.6%14.4–20.1%17.2%
130'00018.4%15.1–20.9%18.1%
140'00019.2%15.7–21.8%19%
150'00019.9%16.4–22.5%19.7%
175'00021.5%17.8–24.3%21.6%
200'00022.9%19.1–25.8%23.2%
225'00024.1%20.1–27%24.6%
250'00025.1%21.1–28.2%25.8%
275'00026%21.9–29.1%26.8%
300'00026.7%22.5–29.8%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–202010.2 °C
Precipitation 1991–2020948 mm
10.2 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
803 m
Mean elevation
522 m
Relief
406 m
Mean slope
14°
Flat share
19.1%
South-facing
12.3%
Above 2000 m
0.0%
Relief 406 m0 m3'847 m

Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.

swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026
Roof potential
22.3 GWh/yr
Roofs + façades
28 GWh/yr
≈ households powered
5'000
Per inhabitant
9'025 kWh/yr
22 GWh/yr01'133 GWh/yr
BFE solar factsheet ↗

Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).

Swiss Federal Office of Energy (SFOE), retrieved 24.09.2026

Electricity

ElCom · 2027
Tariff H4
31.21 Rp./kWh
Energy
13.45 Rp./kWh
Grid usage
13.78 Rp./kWh
Levies + grid surcharge
2.91 Rp./kWh
31.21 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Primeo Netz AG
ElCom tariff comparison ↗
How this is measured

Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.

2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026
Standard model, deductible 300606 CHF/mo
Ø premium in canton Solothurn424 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo

Premiums are set not per municipality but per canton and premium region. Shown is the average adult premium paid in canton Solothurn (2024, BAG) — it applies canton-wide, not to any single location.

2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026

Housing

BFS · ARE
Vacancy rate
3.91 %
Second homes
10 %
Avg. rooms
4
Dwellings
1'201
Built before 194616.2%
Built since 200131.3%
3.91 %0 %12 %

Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.

Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Economy

BFS · 2024
Jobs
674
Workplaces
152
Services share
56.7 %
Jobs by sector: Primary 19 (2.8%) · Secondary 273 (40.5%) · Tertiary 382 (56.7%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
6
Organic share
0 %
Farmland
276 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 55 min · Car 38 min
AgglomerationPT 45 min · Car 32 min
Remoteness 86/104 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number2614
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities2'473 #35 SO · #852 CHGrowing municipalities0.9% #40 SO · #839 CHShrinking municipalities0.9% #65 SO · #1270 CHJobs per resident0.27 #64 SO · #1428 CHFamilies & children19.5% #58 SO · #1310 CHAge structure20.5% #78 SO · #1144 CHWomen share49.3% #67 SO · #1376 CHForeign residents17.2% #43 SO · #1109 CHPopulation density328/km² #47 SO · #720 CHTax burden16'076 #23 SO · #1306 CHTaxes111% #24 SOWarmest municipalities10.2 °C #5 SO · #328 CHSunniest municipalities41.1% #18 SO · #1369 CHRainiest municipalities948 mm #100 SO · #1823 CHVoter turnout51% #77 SO · #1695 CHAgainst Switzerland25.5% #4 SO · #207 CHAligned with Switzerland74.5% #72 SO · #1244 CHSVP strongholds39.1% #14 SO · #713 CHSP strongholds6.2% #94 SO · #1863 CHCentre strongholds20.8% #40 SO · #495 CHFDP strongholds17.9% #39 SO · #588 CHGLP strongholds5.8% #45 SO · #1009 CHGreen strongholds5.8% #70 SO · #1378 CHLargest by area7.6 km² #36 SO · #1189 CHHighest municipalities464 m #61 SO · #1428 CHSecond homes10% #49 SO · #1198 CHOrganic farming0% #101 SO · #1785 CHBest-connected municipalities55 min #20 SO · #625 CHRemotest municipalities55 min #86 SO · #1486 CHHighest peaks803 m #42 SO · #989 CHHighest-lying municipalities522 m #48 SO · #1332 CHGreatest vertical range406 m #42 SO · #808 CHSteepest municipalities14° #28 SO · #620 CHSolar potential22 GWh #38 SO · #933 CHSolar potential per capita9'025 kWh #58 SO · #1256 CHCheapest electricity31.21 Rp./kWh #80 SO · #1923 CHMost expensive electricity31.21 Rp./kWh #36 SO · #175 CH

Localities

swisstopo · 1
What is the postal code of Büsserach?
The postal code of Büsserach is 4227.
What is the tax rate in Büsserach?
The municipal tax multiplier of Büsserach is 111% (2026); canton SO levies 104%.
How much tax do you pay in Büsserach?
A single person without children pays about 16'076 CHF income tax in Büsserach on 100'000 CHF gross income (federal, cantonal, municipal), rank 23 of 104 in canton SO. Source: ESTV (2026).
How many residents does Büsserach have?
Büsserach has 2'473 residents (2025).
How many foreign residents live in Büsserach?
Büsserach has 426 foreign residents, a share of 17.23% (2025).

Map

OpenStreetMap