Demographics
BFS · 2025Women
1'265 51.2%
Men
1'208 48.8%
Children & youth (0–19)
505 20.4%
Swiss citizens
2'150 86.9%
Foreign residents
323 13.1%
Population density
359 pop./km²
0–19 · 505 · 20.4%20–64 · 1'423 · 57.5%65+ · 545 · 22.0%
Foreign residents 13.1%0%64.0%
Population change 2025: +30 (+1.2%) · 19 births · 19 deaths · net migration +30
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 Gäu: 19.4% Yes
16.5% YesNo 83.5%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Gäu: 32.5% Yes
27.3% YesNo 72.7%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Gäu: 64.0% Yes
64.9% YesNo 35.1%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Gäu: 62.1% Yes
59.7% YesNo 40.4%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Gäu: 50.2% Yes
48.9% YesNo 51.1%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Gäu: 50.6% Yes
49.1% YesNo 50.9%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Gäu: 48.6% Yes
47.8% YesNo 52.2%
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 Bezirk Gäu: 16.6% Yes
13.6% YesNo 86.4%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Gäu: 46.6% Yes
44.9% YesNo 55.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Gäu: 43.2% Yes
41.4% YesNo 58.6%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023Mitte31.7% · strongest party
Mitte31.7%
SVP29.6%
FDP23.5%
SP5.1%
GRÜNE4.1%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier117%
Cantonal tax multiplier104%
117%SO range 65%145%
Tax rank 40 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
16'476 CHF(16.5%)
Rank 37 of 104 in the canton · 1557 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:16'476 CHF(~16.5%)
WolfwilCanton range SolothurnSwitzerland median
Show data table
| Gross income | Wolfwil | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 7.8% | 6.1–8.8% | 5.4% |
| 50'000 | 10.1% | 7.9–11.4% | 7.8% |
| 60'000 | 12% | 9.4–13.5% | 10.5% |
| 70'000 | 13.4% | 10.5–15.1% | 11.9% |
| 80'000 | 14.6% | 11.5–16.3% | 13.1% |
| 90'000 | 15.5% | 12.2–17.3% | 14.1% |
| 100'000 | 16.5% | 13–18.4% | 15.3% |
| 110'000 | 17.3% | 13.8–19.3% | 16.3% |
| 120'000 | 18.1% | 14.4–20.1% | 17.2% |
| 130'000 | 18.9% | 15.1–20.9% | 18.1% |
| 140'000 | 19.6% | 15.7–21.8% | 19% |
| 150'000 | 20.3% | 16.4–22.5% | 19.7% |
| 175'000 | 22% | 17.8–24.3% | 21.6% |
| 200'000 | 23.4% | 19.1–25.8% | 23.2% |
| 225'000 | 24.6% | 20.1–27% | 24.6% |
| 250'000 | 25.7% | 21.1–28.2% | 25.8% |
| 275'000 | 26.5% | 21.9–29.1% | 26.8% |
| 300'000 | 27.3% | 22.5–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.7 °C
Precipitation 1991–20201'098 mm
9.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
441 m
Mean elevation
425 m
Relief
42 m
Mean slope
2°
Flat share
88.8%
South-facing
6.8%
Above 2000 m
0.0%
Relief 42 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
27.6 GWh/yr
Roofs + façades
35.2 GWh/yr
≈ households powered
6'100
Per inhabitant
11'161 kWh/yr
28 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
29.61 Rp./kWh
Energy
10.8 Rp./kWh
Grid usage
14.11 Rp./kWh
Levies + grid surcharge
2.3 Rp./kWh
29.61 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Elektra Wolfwil 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
1.58 %
Second homes
12 %
Avg. rooms
4.2
Dwellings
1'199
Built before 194628.1%
Built since 200125.9%
1.58 %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
817
Workplaces
158
Services share
63.2 %
Jobs by sector: Primary 48 (5.9%) · Secondary 253 (31.0%) · Tertiary 516 (63.2%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
14
Organic share
21.4 %
Farmland
347 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 municipalities2'473 #34 SO · #851 CHGrowing municipalities1.2% #28 SO · #669 CHShrinking municipalities1.2% #77 SO · #1439 CHJobs per resident0.33 #43 SO · #1130 CHFamilies & children20.4% #35 SO · #1003 CHAge structure22% #56 SO · #857 CHWomen share51.2% #10 SO · #314 CHForeign residents13.1% #65 SO · #1448 CHPopulation density359/km² #43 SO · #667 CHTax burden16'476 #39 SO · #1559 CHTaxes117% #40 SOWarmest municipalities9.7 °C #16 SO · #789 CHSunniest municipalities40.2% #62 SO · #1731 CHRainiest municipalities1'098 mm #53 SO · #1117 CHVoter turnout49.9% #84 SO · #1788 CHAgainst Switzerland15.7% #25 SO · #842 CHAligned with Switzerland84.3% #48 SO · #584 CHSVP strongholds29.6% #67 SO · #1294 CHSP strongholds5.1% #99 SO · #1933 CHCentre strongholds31.7% #11 SO · #211 CHFDP strongholds23.5% #19 SO · #293 CHGLP strongholds2.5% #98 SO · #1681 CHGreen strongholds4.1% #90 SO · #1719 CHLargest by area6.9 km² #44 SO · #1278 CHHighest municipalities427 m #87 SO · #1727 CHSecond homes12% #24 SO · #901 CHOrganic farming21.4% #26 SO · #579 CHBest-connected municipalities78 min #91 SO · #1299 CHRemotest municipalities78 min #10 SO · #799 CHHighest peaks441 m #102 SO · #2033 CHHighest-lying municipalities425 m #94 SO · #1886 CHGreatest vertical range42 m #96 SO · #2059 CHSteepest municipalities2° #92 SO · #2003 CHSolar potential28 GWh #30 SO · #749 CHSolar potential per capita11'161 kWh #25 SO · #885 CHCheapest electricity29.61 Rp./kWh #55 SO · #1713 CHMost expensive electricity29.61 Rp./kWh #50 SO · #394 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Wolfwil?
- The postal code of Wolfwil is 4628.
- What is the tax rate in Wolfwil?
- The municipal tax multiplier of Wolfwil is 117% (2026); canton SO levies 104%.
- How much tax do you pay in Wolfwil?
- A single person without children pays about 16'476 CHF income tax in Wolfwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 37 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Wolfwil have?
- Wolfwil has 2'473 residents (2025).
- How many foreign residents live in Wolfwil?
- Wolfwil has 323 foreign residents, a share of 13.06% (2025).
Map
OpenStreetMapWolfwil compared with
- Wolfwil vs. Olten
- Wolfwil vs. Grenchen
- Wolfwil vs. Solothurn
- Wolfwil vs. Zuchwil
- Wolfwil vs. Biberist
- Wolfwil vs. Derendingen
- Wolfwil vs. Trimbach
- Wolfwil vs. Dornach
- Wolfwil vs. Oensingen
- Wolfwil vs. Balsthal
- Wolfwil vs. Olten
- Wolfwil vs. Grenchen
- Wolfwil vs. Solothurn
- Wolfwil vs. Zuchwil
- Wolfwil vs. Biberist
- Wolfwil vs. Derendingen
- Wolfwil vs. Trimbach
- Wolfwil vs. Dornach
- Wolfwil vs. Oensingen
- Wolfwil vs. Balsthal
- Wolfwil vs. Baden
- Wolfwil vs. Schwende-Rüte
- Wolfwil vs. Herisau
- Wolfwil vs. Bern
- Wolfwil vs. Allschwil
- Wolfwil vs. Basel
- Wolfwil vs. Fribourg
- Wolfwil vs. Geneva
- Wolfwil vs. Glarus Nord
- Wolfwil vs. Chur
- Wolfwil vs. Delémont
- Wolfwil vs. Lucerne
- Wolfwil vs. Neuchâtel
- Wolfwil vs. Stans
- Wolfwil vs. Sarnen
- Wolfwil vs. St. Gallen
- Wolfwil vs. Schaffhausen
- Wolfwil vs. Freienbach
- Wolfwil vs. Frauenfeld
- Wolfwil vs. Lugano
- Wolfwil vs. Altdorf
- Wolfwil vs. Lausanne
- Wolfwil vs. Sion
- Wolfwil vs. Zug
- Wolfwil vs. Zurich