Demographics
BFS · 2025Women
16 50.0%
Men
16 50.0%
Children & youth (0–19)
4 12.5%
Swiss citizens
29 90.6%
Foreign residents
3 9.4%
Population density
34 pop./km²
0–19 · 4 · 12.5%20–64 · 16 · 50.0%65+ · 12 · 37.5%
Foreign residents 9.4%0%64.0%
Population change 2025: +0 (+0%) · 0 births · 0 deaths · net migration +1
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 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'Federal● Rejected · 27.5% YesDistrict Bezirk Lebern: 24.2% Yes
5.9% YesNo 94.1%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Lebern: 25.8% Yes
17.7% YesNo 82.4%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Lebern: 56.1% Yes
62.5% YesNo 37.5%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Lebern: 51.8% Yes
50.0% YesNo 50.0%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Lebern: 58.3% Yes
86.7% YesNo 13.3%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Lebern: 58.3% Yes
86.7% YesNo 13.3%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Lebern: 55.1% Yes
50.0% YesNo 50.0%
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 Lebern: 23.1% Yes
27.3% YesNo 72.7%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Lebern: 40.7% Yes
33.3% YesNo 66.7%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Lebern: 38.2% Yes
14.3% YesNo 85.7%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023FDP44.8% · strongest party
FDP44.8%
GRÜNE17.7%
Mitte16.7%
SVP12.5%
GLP6.3%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier65%
Cantonal tax multiplier104%
65%SO range 65%145%
Tax rank 1 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
13'027 CHF(13%)
Rank 1 of 104 in the canton · 539 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
100'000 CHF:13'027 CHF(~13%)
KammersrohrCanton range SolothurnSwitzerland median
Show data table
| Gross income | Kammersrohr | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 6.1% | 6.1–8.8% | 5.4% |
| 50'000 | 7.9% | 7.9–11.4% | 7.8% |
| 60'000 | 9.4% | 9.4–13.5% | 10.5% |
| 70'000 | 10.5% | 10.5–15.1% | 11.9% |
| 80'000 | 11.5% | 11.5–16.3% | 13.1% |
| 90'000 | 12.2% | 12.2–17.3% | 14.1% |
| 100'000 | 13% | 13–18.4% | 15.3% |
| 110'000 | 13.8% | 13.8–19.3% | 16.3% |
| 120'000 | 14.4% | 14.4–20.1% | 17.2% |
| 130'000 | 15.1% | 15.1–20.9% | 18.1% |
| 140'000 | 15.7% | 15.7–21.8% | 19% |
| 150'000 | 16.4% | 16.4–22.5% | 19.7% |
| 175'000 | 17.8% | 17.8–24.3% | 21.6% |
| 200'000 | 19.1% | 19.1–25.8% | 23.2% |
| 225'000 | 20.1% | 20.1–27% | 24.6% |
| 250'000 | 21.1% | 21.1–28.2% | 25.8% |
| 275'000 | 21.9% | 21.9–29.1% | 26.8% |
| 300'000 | 22.5% | 22.5–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209 °C
Precipitation 1991–20201'356 mm
9 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
749 m
Mean elevation
623 m
Relief
249 m
Mean slope
12.7°
Flat share
6.2%
South-facing
45.7%
Above 2000 m
0.0%
Relief 249 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
0.8 GWh/yr
Roofs + façades
1 GWh/yr
≈ households powered
200
Per inhabitant
23'438 kWh/yr
1 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 · 2027Tariff H4
25.19 Rp./kWh
Energy
7.97 Rp./kWh
Grid usage
11.91 Rp./kWh
Levies + grid surcharge
3.4 Rp./kWh
25.19 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator BKW Energie 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
Health-insurance premiums
BAG · 2024Standard 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 · AREVacancy rate
0 %
Second homes
0 %
Avg. rooms
4.9
Dwellings
16
Built before 194650.0%
Built since 200118.8%
0 %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 · 2024Jobs
11
Workplaces
5
Jobs by sector: Primary 0 (0.0%) · Secondary 0 (0.0%) · Tertiary 0 (0.0%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
2
Organic share
0 %
Farmland
88 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Accessibility
ARE · NPVMNational Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Municipality
BFSBFS municipality number2549
DistrictBezirk Lebern
Federal Statistical Office (FSO), retrieved 24.09.2026
Largest municipalities32 #104 SO · #2107 CHGrowing municipalities0% #65 SO · #1411 CHShrinking municipalities0% #45 SO · #685 CHJobs per resident0.34 #42 SO · #1092 CHFamilies & children12.5% #104 SO · #2058 CHAge structure37.5% #1 SO · #15 CHWomen share50% #47 SO · #939 CHForeign residents9.4% #84 SO · #1757 CHPopulation density34/km² #103 SO · #1880 CHTax burden13'027 #1 SO · #539 CHTaxes65% #1 SOWarmest municipalities9 °C #84 SO · #1370 CHSunniest municipalities40.7% #38 SO · #1530 CHRainiest municipalities1'356 mm #10 SO · #415 CHVoter turnout62.6% #8 SO · #364 CHSVP strongholds12.5% #103 SO · #2059 CHSP strongholds2.1% #104 SO · #2022 CHCentre strongholds16.7% #62 SO · #714 CHFDP strongholds44.8% #1 SO · #11 CHGLP strongholds6.3% #36 SO · #904 CHGreen strongholds17.7% #3 SO · #44 CHLargest by area1 km² #104 SO · #2095 CHHighest municipalities600 m #16 SO · #821 CHSecond homes0% #104 SO · #2110 CHOrganic farming0% #87 SO · #1771 CHBest-connected municipalities87 min #100 SO · #1500 CHRemotest municipalities87 min #5 SO · #607 CHHighest peaks749 m #45 SO · #1083 CHHighest-lying municipalities623 m #30 SO · #946 CHGreatest vertical range249 m #52 SO · #1147 CHSteepest municipalities12.7° #35 SO · #715 CHSolar potential1 GWh #104 SO · #2106 CHSolar potential per capita23'438 kWh #1 SO · #111 CHCheapest electricity25.19 Rp./kWh #16 SO · #474 CHMost expensive electricity25.19 Rp./kWh #97 SO · #1642 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Kammersrohr?
- The postal code of Kammersrohr is 4535.
- What is the tax rate in Kammersrohr?
- The municipal tax multiplier of Kammersrohr is 65% (2026); canton SO levies 104%.
- How much tax do you pay in Kammersrohr?
- A single person without children pays about 13'027 CHF income tax in Kammersrohr on 100'000 CHF gross income (federal, cantonal, municipal), rank 1 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Kammersrohr have?
- Kammersrohr has 32 residents (2025).
- How many foreign residents live in Kammersrohr?
- Kammersrohr has 3 foreign residents, a share of 9.38% (2025).
Map
OpenStreetMapKammersrohr compared with
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