Demographics
BFS · 2025Women
603 50.9%
Men
582 49.1%
Children & youth (0–19)
225 19.0%
Swiss citizens
995 84.0%
Foreign residents
190 16.0%
Population density
710 pop./km²
0–19 · 225 · 19.0%20–64 · 703 · 59.3%65+ · 257 · 21.7%
Foreign residents 16.0%0%64.0%
Population change 2025: −7 (−0.6%) · 9 births · 9 deaths · net migration −5
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 Dorneck: 29.8% Yes
27.1% YesNo 72.9%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Dorneck: 29.4% Yes
27.9% YesNo 72.1%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Dorneck: 51.2% Yes
53.2% YesNo 46.8%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Dorneck: 45.4% Yes
47.1% YesNo 52.9%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Dorneck: 62.8% Yes
62.6% YesNo 37.4%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Dorneck: 62.7% Yes
61.4% YesNo 38.7%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Dorneck: 52.7% Yes
52.1% YesNo 47.9%
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 Dorneck: 28.1% Yes
23.8% YesNo 76.2%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Dorneck: 37.0% Yes
38.9% YesNo 61.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Dorneck: 38.5% Yes
35.3% YesNo 64.7%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP35.3% · strongest party
SVP35.3%
Mitte20.1%
SP18.9%
FDP9.9%
GRÜNE6.3%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier122%
Cantonal tax multiplier104%
122%SO range 65%145%
Tax rank 57 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
16'830 CHF(16.8%)
Rank 56 of 104 in the canton · 1761 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:16'830 CHF(~16.8%)
BättwilCanton range SolothurnSwitzerland median
Show data table
| Gross income | Bättwil | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 8% | 6.1–8.8% | 5.4% |
| 50'000 | 10.4% | 7.9–11.4% | 7.8% |
| 60'000 | 12.3% | 9.4–13.5% | 10.5% |
| 70'000 | 13.8% | 10.5–15.1% | 11.9% |
| 80'000 | 14.9% | 11.5–16.3% | 13.1% |
| 90'000 | 15.8% | 12.2–17.3% | 14.1% |
| 100'000 | 16.8% | 13–18.4% | 15.3% |
| 110'000 | 17.7% | 13.8–19.3% | 16.3% |
| 120'000 | 18.4% | 14.4–20.1% | 17.2% |
| 130'000 | 19.2% | 15.1–20.9% | 18.1% |
| 140'000 | 20% | 15.7–21.8% | 19% |
| 150'000 | 20.7% | 16.4–22.5% | 19.7% |
| 175'000 | 22.4% | 17.8–24.3% | 21.6% |
| 200'000 | 23.8% | 19.1–25.8% | 23.2% |
| 225'000 | 25.1% | 20.1–27% | 24.6% |
| 250'000 | 26.1% | 21.1–28.2% | 25.8% |
| 275'000 | 27% | 21.9–29.1% | 26.8% |
| 300'000 | 27.7% | 22.5–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–202010.7 °C
Precipitation 1991–2020940 mm
10.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
526 m
Mean elevation
374 m
Relief
197 m
Mean slope
6.6°
Flat share
70.1%
South-facing
3.6%
Above 2000 m
0.0%
Relief 197 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
10.6 GWh/yr
Roofs + façades
13.4 GWh/yr
≈ households powered
2'400
Per inhabitant
8'928 kWh/yr
11 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
31.21 Rp./kWh
Energy
13.45 Rp./kWh
Grid usage
13.78 Rp./kWh
Levies + grid surcharge
2.91 Rp./kWh
31.21 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Primeo Netz 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 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
1.84 %
Second homes
9.6 %
Avg. rooms
4.2
Dwellings
544
Built before 194614.0%
Built since 200122.1%
1.84 %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
407
Workplaces
83
Services share
58.7 %
Jobs by sector: Primary 32 (7.9%) · Secondary 136 (33.4%) · Tertiary 239 (58.7%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
7
Organic share
14.3 %
Farmland
142 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 municipalities1'185 #67 SO · #1333 CHGrowing municipalities-0.6% #79 SO · #1677 CHShrinking municipalities-0.6% #26 SO · #433 CHJobs per resident0.34 #41 SO · #1091 CHFamilies & children19% #65 SO · #1439 CHAge structure21.7% #61 SO · #910 CHWomen share50.9% #16 SO · #440 CHForeign residents16% #46 SO · #1192 CHPopulation density710/km² #19 SO · #351 CHTax burden16'830 #56 SO · #1761 CHTaxes122% #57 SOWarmest municipalities10.7 °C #1 SO · #153 CHSunniest municipalities42% #2 SO · #1130 CHRainiest municipalities940 mm #101 SO · #1840 CHVoter turnout52.5% #67 SO · #1531 CHAgainst Switzerland6.9% #64 SO · #1369 CHAligned with Switzerland93.1% #10 SO · #95 CHSVP strongholds35.3% #28 SO · #953 CHSP strongholds18.9% #22 SO · #546 CHCentre strongholds20.1% #43 SO · #516 CHFDP strongholds9.9% #100 SO · #1408 CHGLP strongholds4.9% #69 SO · #1219 CHGreen strongholds6.3% #59 SO · #1256 CHLargest by area1.7 km² #98 SO · #2044 CHHighest municipalities360 m #102 SO · #2006 CHSecond homes9.6% #53 SO · #1292 CHOrganic farming14.3% #42 SO · #916 CHBest-connected municipalities34 min #2 SO · #136 CHRemotest municipalities34 min #103 SO · #1964 CHHighest peaks526 m #74 SO · #1797 CHHighest-lying municipalities374 m #103 SO · #2048 CHGreatest vertical range197 m #60 SO · #1387 CHSteepest municipalities6.6° #60 SO · #1305 CHSolar potential11 GWh #73 SO · #1510 CHSolar potential per capita8'928 kWh #60 SO · #1279 CHCheapest electricity31.21 Rp./kWh #63 SO · #1906 CHMost expensive electricity31.21 Rp./kWh #19 SO · #158 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Bättwil?
- Bättwil has 2 postal codes: 4105, 4112.
- What is the tax rate in Bättwil?
- The municipal tax multiplier of Bättwil is 122% (2026); canton SO levies 104%.
- How much tax do you pay in Bättwil?
- A single person without children pays about 16'830 CHF income tax in Bättwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 56 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Bättwil have?
- Bättwil has 1'185 residents (2025).
- How many foreign residents live in Bättwil?
- Bättwil has 190 foreign residents, a share of 16.03% (2025).
Map
OpenStreetMapBättwil compared with
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