Demographics
BFS · 2025Women
368 48.0%
Men
399 52.0%
Children & youth (0–19)
153 19.9%
Swiss citizens
668 87.1%
Foreign residents
99 12.9%
Population density
406 pop./km²
0–19 · 153 · 19.9%20–64 · 455 · 59.3%65+ · 159 · 20.7%
Foreign residents 12.9%0%64.0%
Population change 2025: +27 (+3.7%) · 9 births · 3 deaths · net migration +23
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 de Delémont: 30.6% Yes
27.3% YesNo 72.7%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict District de Delémont: 26.7% Yes
20.6% YesNo 79.5%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict District de Delémont: 37.7% Yes
38.5% YesNo 61.5%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict District de Delémont: 40.0% Yes
37.0% YesNo 63.0%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict District de Delémont: 54.1% Yes
58.8% YesNo 41.2%
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 de Delémont: 35.0% Yes
34.3% YesNo 65.7%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict District de Delémont: 32.7% Yes
31.9% YesNo 68.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict District de Delémont: 51.1% Yes
47.5% YesNo 52.5%
08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict District de Delémont: 63.8% Yes
67.3% YesNo 32.7%
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 de Delémont: 60.6% Yes
54.1% YesNo 45.9%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SP28.5% · strongest party
SP28.5%
FDP21.3%
Mitte14.8%
GRÜNE14.0%
SVP13.5%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier200%
Cantonal tax multiplier285%
200%JU range 130%235%
Tax rank 12 of 51 in canton JuraTax burden
Single, 100'000 CHF gross income
15'824 CHF(15.8%)
Rank 10 of 51 in the canton · 1198 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:15'824 CHF(~15.8%)
RossemaisonCanton range JuraSwitzerland median
Show data table
| Gross income | Rossemaison | Jura | Switzerland median |
|---|---|---|---|
| 40'000 | 6.7% | 5.8–7.2% | 5.4% |
| 50'000 | 8.9% | 7.6–9.5% | 7.8% |
| 60'000 | 10.6% | 9.1–11.3% | 10.5% |
| 70'000 | 12.1% | 10.4–12.9% | 11.9% |
| 80'000 | 13.5% | 11.7–14.4% | 13.1% |
| 90'000 | 14.6% | 12.7–15.6% | 14.1% |
| 100'000 | 15.8% | 13.8–16.8% | 15.3% |
| 110'000 | 16.9% | 14.7–17.9% | 16.3% |
| 120'000 | 17.9% | 15.6–19% | 17.2% |
| 130'000 | 18.8% | 16.5–20% | 18.1% |
| 140'000 | 19.8% | 17.3–21% | 19% |
| 150'000 | 20.6% | 18.1–21.8% | 19.7% |
| 175'000 | 22.4% | 19.8–23.7% | 21.6% |
| 200'000 | 23.9% | 21.2–25.3% | 23.2% |
| 225'000 | 25.2% | 22.4–26.7% | 24.6% |
| 250'000 | 26.4% | 23.5–27.9% | 25.8% |
| 275'000 | 27.5% | 24.5–28.9% | 26.8% |
| 300'000 | 28.3% | 25.3–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.3 °C
Precipitation 1991–2020900 mm
9.3 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
628 m
Mean elevation
479 m
Relief
203 m
Mean slope
6.5°
Flat share
38.5%
South-facing
1.2%
Above 2000 m
0.0%
Relief 203 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
7.1 GWh/yr
Roofs + façades
9.3 GWh/yr
≈ households powered
1'600
Per inhabitant
9'244 kWh/yr
7 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
2.06 %
Second homes
16.8 %
Avg. rooms
4.4
Dwellings
340
Built before 194615.9%
Built since 200142.9%
2.06 %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
181
Workplaces
57
Services share
69.1 %
Jobs by sector: Primary 19 (10.5%) · Secondary 37 (20.4%) · Tertiary 125 (69.1%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
7
Organic share
0 %
Farmland
213 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 municipalities767 #23 JU · #1599 CHGrowing municipalities3.7% #3 JU · #115 CHShrinking municipalities3.7% #48 JU · #1995 CHJobs per resident0.24 #42 JU · #1608 CHFamilies & children19.9% #30 JU · #1203 CHAge structure20.7% #42 JU · #1109 CHWomen share48% #44 JU · #1876 CHForeign residents12.9% #12 JU · #1457 CHPopulation density406/km² #3 JU · #606 CHTax burden15'824 #12 JU · #1200 CHTaxes200% #12 JUWarmest municipalities9.3 °C #26 JU · #1190 CHSunniest municipalities42% #9 JU · #1137 CHRainiest municipalities900 mm #51 JU · #1948 CHVoter turnout52.3% #7 JU · #1561 CHSVP strongholds13.5% #42 JU · #2035 CHSP strongholds28.5% #19 JU · #78 CHCentre strongholds14.8% #48 JU · #846 CHFDP strongholds21.3% #2 JU · #376 CHGLP strongholds2.8% #14 JU · #1642 CHGreen strongholds14% #12 JU · #192 CHLargest by area1.9 km² #51 JU · #2032 CHHighest municipalities455 m #39 JU · #1499 CHSecond homes16.8% #20 JU · #455 CHOrganic farming0% #49 JU · #2077 CHBest-connected municipalities65 min #7 JU · #957 CHRemotest municipalities65 min #45 JU · #1187 CHHighest peaks628 m #41 JU · #1429 CHHighest-lying municipalities479 m #44 JU · #1534 CHGreatest vertical range203 m #40 JU · #1353 CHSteepest municipalities6.5° #38 JU · #1327 CHSolar potential7 GWh #39 JU · #1747 CHSolar potential per capita9'244 kWh #46 JU · #1210 CHCheapest electricity25.79 Rp./kWh #12 JU · #792 CHMost expensive electricity25.79 Rp./kWh #24 JU · #1299 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Rossemaison?
- The postal code of Rossemaison is 2842.
- What is the tax rate in Rossemaison?
- The municipal tax multiplier of Rossemaison is 200% (2026); canton JU levies 285%.
- How much tax do you pay in Rossemaison?
- A single person without children pays about 15'824 CHF income tax in Rossemaison on 100'000 CHF gross income (federal, cantonal, municipal), rank 10 of 51 in canton JU. Source: ESTV (2026).
- How many residents does Rossemaison have?
- Rossemaison has 767 residents (2025).
- How many foreign residents live in Rossemaison?
- Rossemaison has 99 foreign residents, a share of 12.91% (2025).
Map
OpenStreetMapRossemaison compared with
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