Demographics
BFS · 2025Women
616 49.4%
Men
630 50.6%
Children & youth (0–19)
286 23.0%
Swiss citizens
1'149 92.2%
Foreign residents
97 7.8%
Population density
50 pop./km²
0–19 · 286 · 23.0%20–64 · 675 · 54.2%65+ · 285 · 22.9%
Foreign residents 7.8%0%64.0%
Population change 2025: +2 (+0.2%) · 5 births · 9 deaths · net migration +8
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 District des Franches-Montagnes: 29.3% Yes
34.3% YesNo 65.8%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict District des Franches-Montagnes: 23.4% Yes
25.1% YesNo 74.9%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict District des Franches-Montagnes: 34.2% Yes
38.9% YesNo 61.2%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict District des Franches-Montagnes: 33.7% Yes
37.8% YesNo 62.2%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict District des Franches-Montagnes: 56.5% Yes
60.7% YesNo 39.3%
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 District des Franches-Montagnes: 37.5% Yes
36.8% YesNo 63.2%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict District des Franches-Montagnes: 30.8% Yes
33.3% YesNo 66.7%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict District des Franches-Montagnes: 49.8% Yes
51.4% YesNo 48.6%
08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict District des Franches-Montagnes: 65.4% Yes
67.4% YesNo 32.6%
08.03.2026Popular Initiative 'Yes to an independent and free Swiss currency with coins or banknotes (Cash is freedom)'Federal● Rejected · 45.6% YesDistrict District des Franches-Montagnes: 58.2% Yes
64.3% YesNo 35.7%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SP24.6% · strongest party
SP24.6%
Mitte23.0%
SVP18.4%
GRÜNE17.2%
FDP12.4%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier205%
Cantonal tax multiplier285%
205%JU range 130%235%
Tax rank 16 of 51 in canton JuraTax burden
Single, 100'000 CHF gross income
15'970 CHF(16%)
Rank 13 of 51 in the canton · 1258 of 2110 in Switzerland
Median canton 16'261 CHF · median Switzerland 15'290 CHF
Cheapest Les Breuleux 13'786 CHF · most expensive Basse-Allaine 16'843 CHF
100'000 CHF:15'970 CHF(~16%)
Les BoisCanton range JuraSwitzerland median
Show data table
| Gross income | Les Bois | Jura | Switzerland median |
|---|---|---|---|
| 40'000 | 6.8% | 5.8–7.2% | 5.4% |
| 50'000 | 8.9% | 7.6–9.5% | 7.8% |
| 60'000 | 10.7% | 9.1–11.3% | 10.5% |
| 70'000 | 12.2% | 10.4–12.9% | 11.9% |
| 80'000 | 13.6% | 11.7–14.4% | 13.1% |
| 90'000 | 14.8% | 12.7–15.6% | 14.1% |
| 100'000 | 16% | 13.8–16.8% | 15.3% |
| 110'000 | 17% | 14.7–17.9% | 16.3% |
| 120'000 | 18% | 15.6–19% | 17.2% |
| 130'000 | 19% | 16.5–20% | 18.1% |
| 140'000 | 19.9% | 17.3–21% | 19% |
| 150'000 | 20.7% | 18.1–21.8% | 19.7% |
| 175'000 | 22.6% | 19.8–23.7% | 21.6% |
| 200'000 | 24.1% | 21.2–25.3% | 23.2% |
| 225'000 | 25.4% | 22.4–26.7% | 24.6% |
| 250'000 | 26.6% | 23.5–27.9% | 25.8% |
| 275'000 | 27.7% | 24.5–28.9% | 26.8% |
| 300'000 | 28.5% | 25.3–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20206.9 °C
Precipitation 1991–20201'399 mm
6.9 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
1'120 m
Mean elevation
944 m
Relief
582 m
Mean slope
11.3°
Flat share
37.9%
South-facing
14.2%
Above 2000 m
0.0%
Relief 582 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
18.2 GWh/yr
Roofs + façades
24.7 GWh/yr
≈ households powered
4'000
Per inhabitant
14'607 kWh/yr
18 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
27.71 Rp./kWh
Energy
7.97 Rp./kWh
Grid usage
14.73 Rp./kWh
Levies + grid surcharge
3.1 Rp./kWh
27.71 Rp./kWh10.5645.88
Canton median 25.79 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Société des Forces Électriques de La Goule SA
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 300678 CHF/mo
Ø premium in canton Jura462 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 Jura (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
1.53 %
Second homes
15.3 %
Avg. rooms
4.2
Dwellings
653
Built before 194647.5%
Built since 200119.8%
1.53 %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
532
Workplaces
132
Services share
25.9 %
Jobs by sector: Primary 112 (21.1%) · Secondary 282 (53.0%) · Tertiary 138 (25.9%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
38
Organic share
18.4 %
Farmland
1'485 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 municipalities1'246 #16 JU · #1295 CHGrowing municipalities0.2% #24 JU · #1320 CHShrinking municipalities0.2% #27 JU · #796 CHJobs per resident0.43 #19 JU · #751 CHFamilies & children23% #4 JU · #324 CHAge structure22.9% #29 JU · #703 CHWomen share49.4% #37 JU · #1353 CHForeign residents7.8% #33 JU · #1875 CHPopulation density50/km² #30 JU · #1777 CHTax burden15'970 #15 JU · #1260 CHTaxes205% #16 JUWarmest municipalities6.9 °C #49 JU · #1863 CHSunniest municipalities42.9% #1 JU · #1017 CHRainiest municipalities1'399 mm #9 JU · #355 CHVoter turnout43.2% #46 JU · #2074 CHAgainst Switzerland27.5% #1 JU · #142 CHAligned with Switzerland72.5% #18 JU · #1337 CHSVP strongholds18.4% #35 JU · #1869 CHSP strongholds24.6% #23 JU · #197 CHCentre strongholds23% #36 JU · #410 CHFDP strongholds12.4% #8 JU · #1113 CHGLP strongholds1% #40 JU · #1943 CHGreen strongholds17.2% #7 JU · #58 CHLargest by area24.7 km² #7 JU · #375 CHHighest municipalities1'034 m #3 JU · #245 CHSecond homes15.3% #24 JU · #550 CHOrganic farming18.4% #28 JU · #712 CHBest-connected municipalities106 min #34 JU · #1806 CHRemotest municipalities106 min #17 JU · #315 CHHighest peaks1'120 m #11 JU · #657 CHHighest-lying municipalities944 m #7 JU · #467 CHGreatest vertical range582 m #11 JU · #627 CHSteepest municipalities11.3° #26 JU · #831 CHSolar potential18 GWh #22 JU · #1094 CHSolar potential per capita14'607 kWh #31 JU · #454 CHCheapest electricity27.71 Rp./kWh #45 JU · #1193 CHMost expensive electricity27.71 Rp./kWh #7 JU · #914 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Les Bois?
- Les Bois has 2 postal codes: 2333, 2336.
- What is the tax rate in Les Bois?
- The municipal tax multiplier of Les Bois is 205% (2026); canton JU levies 285%.
- How much tax do you pay in Les Bois?
- A single person without children pays about 15'970 CHF income tax in Les Bois on 100'000 CHF gross income (federal, cantonal, municipal), rank 13 of 51 in canton JU. Source: ESTV (2026).
- How many residents does Les Bois have?
- Les Bois has 1'246 residents (2025).
- How many foreign residents live in Les Bois?
- Les Bois has 97 foreign residents, a share of 7.78% (2025).
Map
OpenStreetMapLes Bois compared with
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