Demographics
BFS · 2025Women
407 49.9%
Men
409 50.1%
Children & youth (0–19)
186 22.8%
Swiss citizens
643 78.8%
Foreign residents
173 21.2%
Population density
296 pop./km²
0–19 · 186 · 22.8%20–64 · 502 · 61.5%65+ · 128 · 15.7%
Foreign residents 21.2%0%64.0%
Population change 2025: +3 (+0.4%) · 7 births · 1 deaths · net migration −4
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 Olten: 27.9% Yes
21.0% YesNo 79.0%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Olten: 25.3% Yes
40.1% YesNo 59.9%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Olten: 53.2% Yes
62.5% YesNo 37.5%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Olten: 46.7% Yes
73.4% YesNo 26.6%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Olten: 62.8% Yes
48.9% YesNo 51.1%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Olten: 62.8% Yes
49.6% YesNo 50.4%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Olten: 56.6% Yes
47.2% YesNo 52.8%
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 Olten: 28.5% Yes
18.9% YesNo 81.1%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Olten: 36.7% Yes
52.7% YesNo 47.3%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Olten: 35.8% Yes
52.6% YesNo 47.4%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP43.2% · strongest party
SVP43.2%
Mitte18.5%
FDP16.9%
SP10.8%
GLP4.7%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier125%
Cantonal tax multiplier104%
125%SO range 65%145%
Tax rank 69 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
17'020 CHF(17%)
Rank 72 of 104 in the canton · 1852 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:17'020 CHF(~17%)
BoningenCanton range SolothurnSwitzerland median
Show data table
| Gross income | Boningen | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 8.1% | 6.1–8.8% | 5.4% |
| 50'000 | 10.5% | 7.9–11.4% | 7.8% |
| 60'000 | 12.4% | 9.4–13.5% | 10.5% |
| 70'000 | 13.9% | 10.5–15.1% | 11.9% |
| 80'000 | 15.1% | 11.5–16.3% | 13.1% |
| 90'000 | 16% | 12.2–17.3% | 14.1% |
| 100'000 | 17% | 13–18.4% | 15.3% |
| 110'000 | 17.9% | 13.8–19.3% | 16.3% |
| 120'000 | 18.6% | 14.4–20.1% | 17.2% |
| 130'000 | 19.4% | 15.1–20.9% | 18.1% |
| 140'000 | 20.2% | 15.7–21.8% | 19% |
| 150'000 | 20.9% | 16.4–22.5% | 19.7% |
| 175'000 | 22.7% | 17.8–24.3% | 21.6% |
| 200'000 | 24.1% | 19.1–25.8% | 23.2% |
| 225'000 | 25.3% | 20.1–27% | 24.6% |
| 250'000 | 26.4% | 21.1–28.2% | 25.8% |
| 275'000 | 27.3% | 21.9–29.1% | 26.8% |
| 300'000 | 28% | 22.5–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.2 °C
Precipitation 1991–20201'082 mm
9.2 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
480 m
Mean elevation
416 m
Relief
87 m
Mean slope
3.7°
Flat share
75.7%
South-facing
14.7%
Above 2000 m
0.0%
Relief 87 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
8.6 GWh/yr
Roofs + façades
11.2 GWh/yr
≈ households powered
1'900
Per inhabitant
10'588 kWh/yr
9 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
25.88 Rp./kWh
Energy
12.7 Rp./kWh
Grid usage
8.05 Rp./kWh
Levies + grid surcharge
3 Rp./kWh
25.88 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator eug Elektra Untergäu Genossenschaft
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
0.78 %
Second homes
7.6 %
Avg. rooms
4.1
Dwellings
384
Built before 194620.8%
Built since 200128.9%
0.78 %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
215
Workplaces
34
Services share
43.7 %
Jobs by sector: Primary 30 (14.0%) · Secondary 91 (42.3%) · Tertiary 94 (43.7%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
8
Organic share
12.5 %
Farmland
147 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 municipalities816 #82 SO · #1573 CHGrowing municipalities0.4% #54 SO · #1189 CHShrinking municipalities0.4% #51 SO · #919 CHJobs per resident0.26 #69 SO · #1477 CHFamilies & children22.8% #4 SO · #350 CHAge structure15.7% #104 SO · #1926 CHWomen share49.9% #52 SO · #1007 CHForeign residents21.2% #30 SO · #765 CHPopulation density296/km² #53 SO · #787 CHTax burden17'020 #72 SO · #1852 CHTaxes125% #69 SOWarmest municipalities9.2 °C #70 SO · #1235 CHSunniest municipalities40.2% #73 SO · #1742 CHRainiest municipalities1'082 mm #74 SO · #1208 CHVoter turnout52.6% #65 SO · #1518 CHSVP strongholds43.2% #3 SO · #488 CHSP strongholds10.8% #67 SO · #1432 CHCentre strongholds18.5% #56 SO · #614 CHFDP strongholds16.9% #46 SO · #661 CHGLP strongholds4.7% #72 SO · #1264 CHGreen strongholds3.4% #96 SO · #1830 CHLargest by area2.8 km² #88 SO · #1903 CHHighest municipalities410 m #93 SO · #1841 CHSecond homes7.6% #85 SO · #1706 CHOrganic farming12.5% #50 SO · #1039 CHBest-connected municipalities68 min #69 SO · #1023 CHRemotest municipalities68 min #38 SO · #1087 CHHighest peaks480 m #92 SO · #1944 CHHighest-lying municipalities416 m #99 SO · #1925 CHGreatest vertical range87 m #80 SO · #1901 CHSteepest municipalities3.7° #81 SO · #1798 CHSolar potential9 GWh #79 SO · #1641 CHSolar potential per capita10'588 kWh #35 SO · #970 CHCheapest electricity25.88 Rp./kWh #26 SO · #818 CHMost expensive electricity25.88 Rp./kWh #76 SO · #1286 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Boningen?
- Boningen has 2 postal codes: 4618, 4663.
- What is the tax rate in Boningen?
- The municipal tax multiplier of Boningen is 125% (2026); canton SO levies 104%.
- How much tax do you pay in Boningen?
- A single person without children pays about 17'020 CHF income tax in Boningen on 100'000 CHF gross income (federal, cantonal, municipal), rank 72 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Boningen have?
- Boningen has 816 residents (2025).
- How many foreign residents live in Boningen?
- Boningen has 173 foreign residents, a share of 21.2% (2025).
Map
OpenStreetMapBoningen compared with
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