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).

Switzerland · Canton SO

Zuchwil

4500–4528

SO CANTON4500 4528

Residents

9'622

Area

4.6 km²

Population density

2'078 pop./km²

Elevation

433 m a.s.l.

Tax multiplier

118%

Postal codes

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

Demographics

BFS · 2025

Women

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%

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026

Vote results for Zuchwil

BFS

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes

47.5% YesNo 52.5%

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes

43.1% YesNo 57.0%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% Yes

65.4% YesNo 34.6%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% Yes

65.6% YesNo 34.4%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

61.5% YesNo 38.5%

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes

32.2% YesNo 67.8%

08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes

37.4% YesNo 62.6%

08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes

38.7% YesNo 61.3%

08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes

74.3% YesNo 25.7%

08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes

44.9% YesNo 55.1%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023

SP25.0% · strongest party

SP25.0%

SVP24.5%

FDP14.5%

GRÜNE12.2%

Mitte11.7%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026

Taxes 2026

ESTV

Municipal tax multiplier118%

Cantonal tax multiplier104%

118%SO range 65%145%

Tax rank 41 of 104 in canton Solothurn

Tax 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

Income tax as % of gross income

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 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual 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 m

Highest 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

Solar potential

BFE

Roof potential

60.5 GWh/yr

Roofs + façades

78.6 GWh/yr

≈ households powered

13'400

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 31.08.2026

Electricity

ElCom · 2026

Tariff range H4

26.8–29.96 Rp./kWh

28.38 Rp./kWh9.6443.61

Canton median 30.42 Rp./kWhSwiss median 27.7 Rp./kWh

Network operators BKW Energie AG · Regio Energie Solothurn

This municipality is served by 2 network operators with different tariffs; the range spans the cheapest and the most expensive.

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

Housing

BFS

Vacancy rate

5.19 %

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 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM

Major centrePT 58 min · Car 36 min

AgglomerationPT 12 min · Car 6 min

Remoteness 77/104 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0

Head of governmentStefan Hug

Websitezuchwil.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities9'622 #4 SO · #194 CH Families & children18.9% #67 SO · #1465 CH Age structure18.7% #94 SO · #1500 CH Women share49.8% #56 SO · #1070 CH Foreign residents45% #2 SO · #37 CH Population density2'078/km² #3 SO · #65 CH Tax burden16'563 #42 SO · #1642 CH Taxes118% #41 SO Warmest municipalities9.7 °C #20 SO · #793 CH Sunniest municipalities40% #94 SO · #1877 CH Rainiest municipalities1'142 mm #35 SO · #867 CH Voter turnout45.2% #98 SO · #2003 CH Against Switzerland9% #58 SO · #1283 CH Aligned with Switzerland91% #17 SO · #182 CH SVP strongholds24.5% #91 SO · #1579 CH SP strongholds25% #6 SO · #172 CH Centre strongholds11.7% #88 SO · #1052 CH FDP strongholds14.5% #61 SO · #872 CH GLP strongholds8.3% #9 SO · #531 CH Green strongholds12.2% #14 SO · #319 CH Largest by area4.6 km² #70 SO · #1604 CH Highest municipalities433 m #82 SO · #1680 CH Remotest municipalities58 min #77 SO · #1395 CH Best-connected municipalities58 min #28 SO · #708 CH Highest peaks489 m #91 SO · #1915 CH Highest-lying municipalities436 m #87 SO · #1816 CH Greatest vertical range63 m #88 SO · #1992 CH Steepest municipalities1.9° #94 SO · #2011 CH Solar potential60 GWh #6 SO · #240 CH Cheapest electricity28.38 Rp./kWh #33 SO · #1159 CH Most expensive electricity28.38 Rp./kWh #72 SO · #948 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Solothurn4500 Zuchwil4528

Nearby municipalities

swisstopo

Feldbrunnen-St. Niklaus

Frequently asked questions

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

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