Demographics
BFS · 2025Women
72 49.7%
Men
73 50.3%
Children & youth (0–19)
37 25.5%
Swiss citizens
139 95.9%
Foreign residents
6 4.1%
Population density
20 pop./km²
0–19 · 37 · 25.5%20–64 · 81 · 55.9%65+ · 27 · 18.6%
Foreign residents 4.1%0%64.0%
Population change 2025: −6 (−4%) · 2 births · 1 deaths · net migration −7
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
40.9% YesNo 59.2%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict District des Franches-Montagnes: 23.4% Yes
31.9% YesNo 68.1%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict District des Franches-Montagnes: 34.2% Yes
31.9% YesNo 68.1%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict District des Franches-Montagnes: 33.7% Yes
34.3% YesNo 65.8%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict District des Franches-Montagnes: 56.5% Yes
49.2% YesNo 50.8%
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 District des Franches-Montagnes: 37.5% Yes
50.8% YesNo 49.2%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict District des Franches-Montagnes: 30.8% Yes
28.1% YesNo 71.9%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict District des Franches-Montagnes: 49.8% Yes
46.0% YesNo 54.0%
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
68.3% YesNo 31.8%
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
53.0% YesNo 47.0%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023GRÜNE33.6% · strongest party
GRÜNE33.6%
Mitte28.4%
SP18.7%
SVP11.2%
FDP4.5%
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 13 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 EnfersCanton range JuraSwitzerland median
Show data table
| Gross income | Les Enfers | 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 1991–20207.3 °C
Precipitation 1991–20201'366 mm
7.3 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
1'010 m
Mean elevation
873 m
Relief
491 m
Mean slope
13.5°
Flat share
32.2%
South-facing
4.6%
Above 2000 m
0.0%
Relief 491 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
3.9 GWh/yr
Roofs + façades
5.1 GWh/yr
≈ households powered
900
Per inhabitant
26'966 kWh/yr
4 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
25.79 Rp./kWh
Energy
7.97 Rp./kWh
Grid usage
11.91 Rp./kWh
Levies + grid surcharge
4 Rp./kWh
25.79 Rp./kWh10.5645.88
Canton median 25.79 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 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
0 %
Second homes
18.1 %
Avg. rooms
4
Dwellings
75
Built before 194665.3%
Built since 20012.7%
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
60
Workplaces
23
Services share
21.7 %
Jobs by sector: Primary 41 (68.3%) · Secondary 6 (10.0%) · Tertiary 13 (21.7%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
10
Organic share
20 %
Farmland
288 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 municipalities145 #47 JU · #2067 CHGrowing municipalities-4% #49 JU · #2075 CHShrinking municipalities-4% #2 JU · #34 CHJobs per resident0.41 #22 JU · #830 CHFamilies & children25.5% #1 JU · #62 CHAge structure18.6% #49 JU · #1540 CHWomen share49.7% #33 JU · #1169 CHForeign residents4.1% #46 JU · #2047 CHPopulation density20/km² #47 JU · #1981 CHTax burden15'970 #16 JU · #1261 CHTaxes205% #13 JUWarmest municipalities7.3 °C #44 JU · #1822 CHSunniest municipalities41.4% #25 JU · #1260 CHRainiest municipalities1'366 mm #11 JU · #405 CHVoter turnout60.7% #2 JU · #533 CHSVP strongholds11.2% #49 JU · #2084 CHSP strongholds18.7% #39 JU · #569 CHCentre strongholds28.4% #20 JU · #265 CHFDP strongholds4.5% #42 JU · #1891 CHGLP strongholds0% #48 JU · #2037 CHGreen strongholds33.6% #1 JU · #2 CHLargest by area7.1 km² #45 JU · #1249 CHHighest municipalities955 m #10 JU · #293 CHSecond homes18.1% #18 JU · #403 CHOrganic farming20% #26 JU · #676 CHBest-connected municipalities102 min #28 JU · #1741 CHRemotest municipalities102 min #24 JU · #385 CHHighest peaks1'010 m #18 JU · #723 CHHighest-lying municipalities873 m #9 JU · #531 CHGreatest vertical range491 m #15 JU · #701 CHSteepest municipalities13.5° #15 JU · #663 CHSolar potential4 GWh #48 JU · #1992 CHSolar potential per capita26'966 kWh #10 JU · #70 CHCheapest electricity25.79 Rp./kWh #17 JU · #797 CHMost expensive electricity25.79 Rp./kWh #29 JU · #1304 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Les Enfers?
- Les Enfers has 2 postal codes: 2353, 2363.
- What is the tax rate in Les Enfers?
- The municipal tax multiplier of Les Enfers is 205% (2026); canton JU levies 285%.
- How much tax do you pay in Les Enfers?
- A single person without children pays about 15'970 CHF income tax in Les Enfers on 100'000 CHF gross income (federal, cantonal, municipal), rank 13 of 51 in canton JU. Source: ESTV (2026).
- How many residents does Les Enfers have?
- Les Enfers has 145 residents (2025).
- How many foreign residents live in Les Enfers?
- Les Enfers has 6 foreign residents, a share of 4.14% (2025).
Map
OpenStreetMapLes Enfers compared with
- Les Enfers vs. Delémont
- Les Enfers vs. Haute-Sorne
- Les Enfers vs. Porrentruy
- Les Enfers vs. Courrendlin
- Les Enfers vs. Courroux
- Les Enfers vs. Val Terbi
- Les Enfers vs. Courtételle
- Les Enfers vs. Saignelégier
- Les Enfers vs. Courgenay
- Les Enfers vs. Alle
- Les Enfers vs. Delémont
- Les Enfers vs. Haute-Sorne
- Les Enfers vs. Porrentruy
- Les Enfers vs. Courrendlin
- Les Enfers vs. Courroux
- Les Enfers vs. Val Terbi
- Les Enfers vs. Courtételle
- Les Enfers vs. Saignelégier
- Les Enfers vs. Courgenay
- Les Enfers vs. Alle
- Les Enfers vs. Baden
- Les Enfers vs. Schwende-Rüte
- Les Enfers vs. Herisau
- Les Enfers vs. Bern
- Les Enfers vs. Allschwil
- Les Enfers vs. Basel
- Les Enfers vs. Fribourg
- Les Enfers vs. Geneva
- Les Enfers vs. Glarus Nord
- Les Enfers vs. Chur
- Les Enfers vs. Lucerne
- Les Enfers vs. Neuchâtel
- Les Enfers vs. Stans
- Les Enfers vs. Sarnen
- Les Enfers vs. St. Gallen
- Les Enfers vs. Schaffhausen
- Les Enfers vs. Olten
- Les Enfers vs. Freienbach
- Les Enfers vs. Frauenfeld
- Les Enfers vs. Lugano
- Les Enfers vs. Altdorf
- Les Enfers vs. Lausanne
- Les Enfers vs. Sion
- Les Enfers vs. Zug
- Les Enfers vs. Zurich