Demographics
BFS · 2025Women
250 47.5%
Men
276 52.5%
Children & youth (0–19)
106 20.2%
Swiss citizens
446 84.8%
Foreign residents
80 15.2%
Population density
62 pop./km²
0–19 · 106 · 20.2%20–64 · 311 · 59.1%65+ · 109 · 20.7%
Foreign residents 15.2%0%64.0%
Population change 2025: +0 (+0%) · 3 births · 2 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 Gösgen: 26.4% Yes
24.6% YesNo 75.4%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Gösgen: 29.0% Yes
37.7% YesNo 62.3%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Gösgen: 56.5% Yes
62.6% YesNo 37.4%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Gösgen: 53.3% Yes
64.8% YesNo 35.2%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Gösgen: 58.9% Yes
51.0% YesNo 49.0%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Gösgen: 59.1% Yes
52.5% YesNo 47.5%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Gösgen: 50.6% Yes
48.2% YesNo 51.8%
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 Gösgen: 23.5% Yes
27.2% YesNo 72.8%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Gösgen: 41.8% Yes
48.0% YesNo 52.0%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Gösgen: 39.0% Yes
41.8% YesNo 58.2%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP35.1% · strongest party
SVP35.1%
FDP29.9%
Mitte19.1%
SP6.2%
GRÜNE5.7%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier129%
Cantonal tax multiplier104%
129%SO range 65%145%
Tax rank 92 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
17'297 CHF(17.3%)
Rank 91 of 104 in the canton · 1959 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:17'297 CHF(~17.3%)
KienbergCanton range SolothurnSwitzerland median
Show data table
| Gross income | Kienberg | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 8.2% | 6.1–8.8% | 5.4% |
| 50'000 | 10.7% | 7.9–11.4% | 7.8% |
| 60'000 | 12.6% | 9.4–13.5% | 10.5% |
| 70'000 | 14.2% | 10.5–15.1% | 11.9% |
| 80'000 | 15.4% | 11.5–16.3% | 13.1% |
| 90'000 | 16.3% | 12.2–17.3% | 14.1% |
| 100'000 | 17.3% | 13–18.4% | 15.3% |
| 110'000 | 18.2% | 13.8–19.3% | 16.3% |
| 120'000 | 18.9% | 14.4–20.1% | 17.2% |
| 130'000 | 19.8% | 15.1–20.9% | 18.1% |
| 140'000 | 20.6% | 15.7–21.8% | 19% |
| 150'000 | 21.3% | 16.4–22.5% | 19.7% |
| 175'000 | 23% | 17.8–24.3% | 21.6% |
| 200'000 | 24.4% | 19.1–25.8% | 23.2% |
| 225'000 | 25.7% | 20.1–27% | 24.6% |
| 250'000 | 26.7% | 21.1–28.2% | 25.8% |
| 275'000 | 27.6% | 21.9–29.1% | 26.8% |
| 300'000 | 28.4% | 22.5–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.7 °C
Precipitation 1991–20201'082 mm
9.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
898 m
Mean elevation
670 m
Relief
448 m
Mean slope
15.5°
Flat share
4.6%
South-facing
9.1%
Above 2000 m
0.0%
Relief 448 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
7.7 GWh/yr
Roofs + façades
9.7 GWh/yr
≈ households powered
1'700
Per inhabitant
14'620 kWh/yr
8 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
29.76 Rp./kWh
Energy
10.37 Rp./kWh
Grid usage
14.95 Rp./kWh
Levies + grid surcharge
3.15 Rp./kWh
29.76 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator AEW 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
1.57 %
Second homes
18.4 %
Avg. rooms
4.3
Dwellings
255
Built before 194641.6%
Built since 200112.5%
1.57 %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
116
Workplaces
44
Services share
39.7 %
Jobs by sector: Primary 56 (48.3%) · Secondary 14 (12.1%) · Tertiary 46 (39.7%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
19
Organic share
10.5 %
Farmland
458 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
Wikidata · CC0Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities526 #94 SO · #1778 CHGrowing municipalities0% #63 SO · #1409 CHShrinking municipalities0% #43 SO · #683 CHJobs per resident0.22 #74 SO · #1678 CHFamilies & children20.2% #41 SO · #1080 CHAge structure20.7% #72 SO · #1096 CHWomen share47.5% #94 SO · #1946 CHForeign residents15.2% #51 SO · #1265 CHPopulation density62/km² #98 SO · #1697 CHTax burden17'297 #91 SO · #1959 CHTaxes129% #92 SOWarmest municipalities9.7 °C #18 SO · #791 CHSunniest municipalities40.1% #77 SO · #1802 CHRainiest municipalities1'082 mm #73 SO · #1207 CHVoter turnout53.8% #52 SO · #1379 CHSVP strongholds35.1% #33 SO · #963 CHSP strongholds6.2% #93 SO · #1862 CHCentre strongholds19.1% #50 SO · #580 CHFDP strongholds29.9% #6 SO · #91 CHGLP strongholds2.4% #99 SO · #1700 CHGreen strongholds5.7% #72 SO · #1403 CHLargest by area8.5 km² #29 SO · #1095 CHHighest municipalities549 m #26 SO · #1009 CHSecond homes18.4% #3 SO · #383 CHOrganic farming10.5% #54 SO · #1187 CHBest-connected municipalities64 min #54 SO · #909 CHRemotest municipalities64 min #52 SO · #1202 CHHighest peaks898 m #34 SO · #834 CHHighest-lying municipalities670 m #24 SO · #828 CHGreatest vertical range448 m #35 SO · #749 CHSteepest municipalities15.5° #24 SO · #560 CHSolar potential8 GWh #84 SO · #1713 CHSolar potential per capita14'620 kWh #8 SO · #452 CHCheapest electricity29.76 Rp./kWh #57 SO · #1732 CHMost expensive electricity29.76 Rp./kWh #48 SO · #375 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Kienberg?
- The postal code of Kienberg is 4468.
- What is the tax rate in Kienberg?
- The municipal tax multiplier of Kienberg is 129% (2026); canton SO levies 104%.
- How much tax do you pay in Kienberg?
- A single person without children pays about 17'297 CHF income tax in Kienberg on 100'000 CHF gross income (federal, cantonal, municipal), rank 91 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Kienberg have?
- Kienberg has 526 residents (2025).
- How many foreign residents live in Kienberg?
- Kienberg has 80 foreign residents, a share of 15.21% (2025).
Map
OpenStreetMapKienberg compared with
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