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Switzerland · Canton JU

Basse-Allaine

2915–2925
Residents
1'182
Area
23 km²
Population density
51 pop./km²
Elevation
398 m a.s.l.
Terrain up to
613 m a.s.l.
Tax multiplier
235%
Postal codes
4

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025
Women
609 51.5%
Men
573 48.5%
Children & youth (0–19)
228 19.3%
Swiss citizens
1'070 90.5%
Foreign residents
112 9.5%
Population density
51 pop./km²
0–19 · 228 · 19.3%20–64 · 616 · 52.1%65+ · 338 · 28.6%
Foreign residents 9.5%0%64.0%
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023
Mitte35.8% · strongest party
Mitte35.8%
SP21.6%
SVP20.6%
FDP11.2%
GLP4.5%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026
Municipal tax multiplier235%
Cantonal tax multiplier285%
235%JU range 130%235%
Tax rank 51 of 51 in canton Jura
Tax burden
Single, 100'000 CHF gross income
16'843 CHF(16.8%)
Rank 49 of 51 in the canton · 1766 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
Income tax as % of gross income
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:16'843 CHF(~16.8%)
Basse-AllaineCanton range JuraSwitzerland median
Show data table
Gross incomeBasse-AllaineJuraSwitzerland median
40'0007.2%5.87.2%5.4%
50'0009.5%7.69.5%7.8%
60'00011.3%9.111.3%10.5%
70'00012.9%10.412.9%11.9%
80'00014.4%11.714.4%13.1%
90'00015.6%12.715.6%14.1%
100'00016.8%13.816.8%15.3%
110'00017.9%14.717.9%16.3%
120'00019%15.619%17.2%
130'00020%16.520%18.1%
140'00021%17.321%19%
150'00021.8%18.121.8%19.7%
175'00023.7%19.823.7%21.6%
200'00025.3%21.225.3%23.2%
225'00026.7%22.426.7%24.6%
250'00027.9%23.527.9%25.8%
275'00028.9%24.528.9%26.8%
300'00029.8%25.329.8%27.4%
2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–202010.2 °C
Precipitation 1991–20201'097 mm
10.2 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
613 m
Mean elevation
462 m
Relief
238 m
Mean slope
7.3°
Flat share
46.7%
South-facing
12.9%
Above 2000 m
0.0%
Relief 238 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
22.8 GWh/yr
Roofs + façades
30.2 GWh/yr
≈ households powered
5'100
23 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 31.08.2026

Electricity

ElCom · 2026
Tariff H4
28.1 Rp./kWh
Energy
10.89 Rp./kWh
Grid usage
11.25 Rp./kWh
Levies + grid surcharge
4.2 Rp./kWh
28.1 Rp./kWh9.6443.61
Canton median 27.9 Rp./kWhSwiss median 27.7 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.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026
Vacancy rate
4.66 %
Avg. rooms
4.4
Dwellings
708
Built before 194653.4%
Built since 20017.8%
4.66 %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 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM
Major centrePT 103 min · Car 85 min
AgglomerationPT 24 min · Car 17 min
Remoteness 22/51 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0
Wikidata · continuously updated, retrieved 31.08.2026

Localities

swisstopo · 4
What is the postal code of Basse-Allaine?
Basse-Allaine has 4 postal codes: 2915, 2923, 2924, 2925.
What is the tax rate in Basse-Allaine?
The municipal tax multiplier of Basse-Allaine is 235% (2026); canton JU levies 285%.
How much tax do you pay in Basse-Allaine?
A single person without children pays about 16'843 CHF income tax in Basse-Allaine on 100'000 CHF gross income (federal, cantonal, municipal), rank 49 of 51 in canton JU. Source: ESTV (2026).
How many residents does Basse-Allaine have?
Basse-Allaine has 1'182 residents (2025).
How many foreign residents live in Basse-Allaine?
Basse-Allaine has 112 foreign residents, a share of 9.48% (2025).

Map

OpenStreetMap