Demographics
BFS · 2025Women
4'793 49.8%
Men
4'829 50.2%
Children & youth (0–19)
1'822 18.9%
Swiss citizens
5'294 55.0%
Foreign residents
4'328 45.0%
Population density
2'078 pop./km²
0–19 · 1'822 · 18.9%20–64 · 6'002 · 62.4%65+ · 1'798 · 18.7%
Foreign residents 45.0%0%64.0%
Population change 2025: +6 (+0.1%) · 94 births · 81 deaths · net migration +10
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 Wasseramt: 24.2% Yes
30.1% YesNo 69.9%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Wasseramt: 25.9% Yes
21.6% YesNo 78.5%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Wasseramt: 54.5% Yes
47.5% YesNo 52.5%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Wasseramt: 50.5% Yes
43.1% YesNo 57.0%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Wasseramt: 58.2% Yes
65.4% YesNo 34.6%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Wasseramt: 58.4% Yes
65.6% YesNo 34.4%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Wasseramt: 54.4% Yes
61.5% YesNo 38.5%
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 Wasseramt: 24.0% Yes
32.2% YesNo 67.8%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Wasseramt: 40.5% Yes
37.4% YesNo 62.6%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Wasseramt: 39.9% Yes
38.7% YesNo 61.3%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SP25.0% · strongest party
SP25.0%
SVP24.5%
FDP14.5%
GRÜNE12.2%
Mitte11.7%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier118%
Cantonal tax multiplier104%
118%SO range 65%145%
Tax rank 41 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
16'563 CHF(16.6%)
Rank 41 of 104 in the canton · 1641 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:16'563 CHF(~16.6%)
ZuchwilCanton range SolothurnSwitzerland median
Show data table
| Gross income | Zuchwil | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 7.9% | 6.1–8.8% | 5.4% |
| 50'000 | 10.2% | 7.9–11.4% | 7.8% |
| 60'000 | 12.1% | 9.4–13.5% | 10.5% |
| 70'000 | 13.5% | 10.5–15.1% | 11.9% |
| 80'000 | 14.7% | 11.5–16.3% | 13.1% |
| 90'000 | 15.6% | 12.2–17.3% | 14.1% |
| 100'000 | 16.6% | 13–18.4% | 15.3% |
| 110'000 | 17.4% | 13.8–19.3% | 16.3% |
| 120'000 | 18.2% | 14.4–20.1% | 17.2% |
| 130'000 | 18.9% | 15.1–20.9% | 18.1% |
| 140'000 | 19.7% | 15.7–21.8% | 19% |
| 150'000 | 20.4% | 16.4–22.5% | 19.7% |
| 175'000 | 22.1% | 17.8–24.3% | 21.6% |
| 200'000 | 23.5% | 19.1–25.8% | 23.2% |
| 225'000 | 24.7% | 20.1–27% | 24.6% |
| 250'000 | 25.8% | 21.1–28.2% | 25.8% |
| 275'000 | 26.6% | 21.9–29.1% | 26.8% |
| 300'000 | 27.4% | 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 1991–20201'142 mm
9.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
489 m
Mean elevation
436 m
Relief
63 m
Mean slope
1.9°
Flat share
89.5%
South-facing
0.1%
Above 2000 m
0.0%
Relief 63 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
60.5 GWh/yr
Roofs + façades
78.6 GWh/yr
≈ households powered
13'400
Per inhabitant
6'287 kWh/yr
60 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 range H4
24.69–27.71 Rp./kWh
26.2 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operators BKW Energie AG · Regio Energie Solothurn
ElCom tariff comparison ↗This municipality is served by 2 network operators with different tariffs; the range spans the cheapest and the most expensive.
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
5.19 %
Second homes
8.5 %
Avg. rooms
3.4
Dwellings
5'148
Built before 194614.5%
Built since 200114.4%
5.19 %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
6'044
Workplaces
408
Services share
64.6 %
Jobs by sector: Primary 5 (0.1%) · Secondary 2'137 (35.4%) · Tertiary 3'902 (64.6%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
2
Organic share
0 %
Farmland
63 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 municipalities9'622 #4 SO · #194 CHGrowing municipalities0.1% #59 SO · #1379 CHShrinking municipalities0.1% #46 SO · #731 CHJobs per resident0.63 #10 SO · #296 CHFamilies & children18.9% #67 SO · #1465 CHAge structure18.7% #94 SO · #1500 CHWomen share49.8% #56 SO · #1070 CHForeign residents45% #2 SO · #37 CHPopulation density2'078/km² #3 SO · #65 CHTax burden16'563 #42 SO · #1642 CHTaxes118% #41 SOWarmest municipalities9.7 °C #20 SO · #793 CHSunniest municipalities40% #94 SO · #1877 CHRainiest municipalities1'142 mm #35 SO · #867 CHVoter turnout46.3% #98 SO · #1995 CHAgainst Switzerland8.8% #58 SO · #1283 CHAligned with Switzerland91.2% #17 SO · #182 CHSVP strongholds24.5% #91 SO · #1581 CHSP strongholds25% #6 SO · #172 CHCentre strongholds11.7% #88 SO · #1056 CHFDP strongholds14.5% #62 SO · #873 CHGLP strongholds8.3% #9 SO · #529 CHGreen strongholds12.2% #14 SO · #321 CHLargest by area4.6 km² #70 SO · #1604 CHHighest municipalities433 m #82 SO · #1680 CHSecond homes8.5% #67 SO · #1499 CHOrganic farming0% #83 SO · #1767 CHBest-connected municipalities58 min #28 SO · #709 CHRemotest municipalities58 min #77 SO · #1395 CHHighest peaks489 m #91 SO · #1915 CHHighest-lying municipalities436 m #87 SO · #1816 CHGreatest vertical range63 m #88 SO · #1992 CHSteepest municipalities1.9° #94 SO · #2011 CHSolar potential60 GWh #6 SO · #240 CHSolar potential per capita6'287 kWh #94 SO · #1790 CHCheapest electricity26.2 Rp./kWh #32 SO · #907 CHMost expensive electricity26.2 Rp./kWh #73 SO · #1200 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Zuchwil?
- Zuchwil has 2 postal codes: 4500, 4528.
- What is the tax rate in Zuchwil?
- The municipal tax multiplier of Zuchwil is 118% (2026); canton SO levies 104%.
- How much tax do you pay in Zuchwil?
- A single person without children pays about 16'563 CHF income tax in Zuchwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 41 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Zuchwil have?
- Zuchwil has 9'622 residents (2025).
- How many foreign residents live in Zuchwil?
- Zuchwil has 4'328 foreign residents, a share of 44.98% (2025).
Map
OpenStreetMapZuchwil compared with
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