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).

Switzerland · Canton SO

Wolfwil

4628

SO CANTON4628

Residents

2'473

Area

6.9 km²

Population density

359 pop./km²

Elevation

427 m a.s.l.

Tax multiplier

117%

Postal codes

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

Demographics

BFS · 2025

Women

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%

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

Vote results for Wolfwil

BFS

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

64.9% YesNo 35.1%

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

59.7% YesNo 40.4%

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

48.9% YesNo 51.1%

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

49.1% YesNo 50.9%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

47.8% YesNo 52.2%

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

13.6% YesNo 86.4%

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

44.9% YesNo 55.1%

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

41.4% YesNo 58.6%

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

73.4% YesNo 26.6%

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

47.6% YesNo 52.4%

All federal votes →

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

Politics

National Council election 2023

Mitte31.7% · strongest party

Mitte31.7%

SVP29.6%

FDP23.5%

SP5.1%

GRÜNE4.1%

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

Taxes 2026

ESTV

Municipal tax multiplier117%

Cantonal tax multiplier104%

117%SO range 65%145%

Tax rank 40 of 104 in canton Solothurn

Tax 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

Income tax as % of gross income

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 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual 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 m

Highest 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

Solar potential

BFE

Roof potential

27.6 GWh/yr

Roofs + façades

35.2 GWh/yr

≈ households powered

6'100

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 31.08.2026

Electricity

ElCom · 2026

Tariff H4

30.81 Rp./kWh

Energy

14.4 Rp./kWh

Grid usage

11.71 Rp./kWh

Levies + grid surcharge

2.3 Rp./kWh

30.81 Rp./kWh9.6443.61

Canton median 30.42 Rp./kWhSwiss median 27.7 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.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026

Housing

BFS

Vacancy rate

1.58 %

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

Accessibility

ARE · NPVM

Major centrePT 78 min · Car 46 min

AgglomerationPT 23 min · Car 15 min

Remoteness 10/104 in canton

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

Municipality

Wikidata · CC0

Websitewolfwil.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities2'473 #34 SO · #851 CH Families & children20.4% #35 SO · #1003 CH Age structure22% #56 SO · #857 CH Women share51.2% #10 SO · #314 CH Foreign residents13.1% #65 SO · #1448 CH Population density359/km² #43 SO · #667 CH Tax burden16'476 #39 SO · #1559 CH Taxes117% #40 SO Warmest municipalities9.7 °C #16 SO · #789 CH Sunniest municipalities40.2% #62 SO · #1731 CH Rainiest municipalities1'098 mm #53 SO · #1117 CH Voter turnout49.7% #81 SO · #1727 CH Against Switzerland16% #25 SO · #842 CH Aligned with Switzerland84% #48 SO · #584 CH SVP strongholds29.6% #67 SO · #1292 CH SP strongholds5.1% #99 SO · #1928 CH Centre strongholds31.7% #11 SO · #210 CH FDP strongholds23.5% #19 SO · #292 CH GLP strongholds2.5% #98 SO · #1678 CH Green strongholds4.1% #90 SO · #1714 CH Largest by area6.9 km² #44 SO · #1278 CH Highest municipalities427 m #87 SO · #1727 CH Remotest municipalities78 min #10 SO · #799 CH Best-connected municipalities78 min #90 SO · #1298 CH Highest peaks441 m #102 SO · #2033 CH Highest-lying municipalities425 m #94 SO · #1886 CH Greatest vertical range42 m #96 SO · #2059 CH Steepest municipalities2° #92 SO · #2003 CH Solar potential28 GWh #30 SO · #749 CH Cheapest electricity30.81 Rp./kWh #58 SO · #1800 CH Most expensive electricity30.81 Rp./kWh #47 SO · #307 CH

Postal codes (1)

swisstopo

4628

Wolfwil

Localities

swisstopo · 1

Wolfwil4628

Nearby municipalities

swisstopo

Frequently asked questions

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

OpenStreetMap

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