What is the postal code of Winznau?

The postal code of Winznau is 4652.

What is the tax rate in Winznau?

The municipal tax multiplier of Winznau is 130% (2026); canton SO levies 104%.

How much tax do you pay in Winznau?

A single person without children pays about 17'356 CHF income tax in Winznau on 100'000 CHF gross income (federal, cantonal, municipal), rank 96 of 104 in canton SO. Source: ESTV (2026).

How many residents does Winznau have?

Winznau has 2'061 residents (2025).

How many foreign residents live in Winznau?

Winznau has 372 foreign residents, a share of 18.05% (2025).

Switzerland · Canton SO · Bezirk Gösgen

Winznau

4652

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN · swissTLM3D · swissTLMRegio

Demographics

BFS · 2025

Women

1'019 49.4%

Men

1'042 50.6%

Children & youth (0–19)

407 19.7%

Swiss citizens

1'689 82.0%

Foreign residents

372 18.1%

Population density

523 pop./km²

0–19 · 407 · 19.7%20–64 · 1'171 · 56.8%65+ · 483 · 23.4%

Foreign residents 18.1%0%64.0%

Population change 2025: +8 (+0.4%) · 16 births · 15 deaths · net migration +8

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

Vote results for Winznau

BFS

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 Gösgen: 26.4% Yes

22.9% YesNo 77.1%

27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Gösgen: 29.0% Yes

24.8% YesNo 75.2%

14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Gösgen: 56.5% Yes

56.3% YesNo 43.7%

14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Gösgen: 53.3% Yes

51.2% YesNo 48.8%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Gösgen: 58.9% Yes

61.4% YesNo 38.6%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Gösgen: 59.1% Yes

61.0% YesNo 39.1%

08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Gösgen: 50.6% Yes

51.7% YesNo 48.3%

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 Gösgen: 23.5% Yes

21.9% YesNo 78.1%

08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Gösgen: 41.8% Yes

37.6% YesNo 62.4%

08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Gösgen: 39.0% Yes

35.5% YesNo 64.5%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023

SVP31.3% · strongest party

SVP31.3%

Mitte21.8%

SP15.4%

FDP14.1%

GRÜNE7.9%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026

Taxes 2026

ESTV

Municipal tax multiplier130%

Cantonal tax multiplier104%

130%SO range 65%145%

Tax rank 97 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

17'356 CHF(17.4%)

Rank 96 of 104 in the canton · 1975 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:17'356 CHF(~17.4%)

WinznauCanton range SolothurnSwitzerland median

Show data table

Gross income	Winznau	Solothurn	Switzerland median
40'000	8.2%	6.1–8.8%	5.4%
50'000	10.7%	7.9–11.4%	7.8%
60'000	12.7%	9.4–13.5%	10.5%
70'000	14.2%	10.5–15.1%	11.9%
80'000	15.4%	11.5–16.3%	13.1%
90'000	16.3%	12.2–17.3%	14.1%
100'000	17.4%	13–18.4%	15.3%
110'000	18.2%	13.8–19.3%	16.3%
120'000	19%	14.4–20.1%	17.2%
130'000	19.8%	15.1–20.9%	18.1%
140'000	20.6%	15.7–21.8%	19%
150'000	21.3%	16.4–22.5%	19.7%
175'000	23.1%	17.8–24.3%	21.6%
200'000	24.5%	19.1–25.8%	23.2%
225'000	25.7%	20.1–27%	24.6%
250'000	26.8%	21.1–28.2%	25.8%
275'000	27.7%	21.9–29.1%	26.8%
300'000	28.5%	22.5–29.8%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–20209.8 °C

Precipitation 1991–20201'053 mm

9.8 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

852 m

Mean elevation

468 m

Relief

473 m

Mean slope

7.4°

Flat share

46.3%

South-facing

22.5%

Above 2000 m

0.0%

Relief 473 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

15.5 GWh/yr

Roofs + façades

20.2 GWh/yr

≈ households powered

3'400

Per inhabitant

7'525 kWh/yr

16 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 · 2027

Tariff H4

31.74 Rp./kWh

Energy

13.45 Rp./kWh

Grid usage

13.78 Rp./kWh

Levies + grid surcharge

3.45 Rp./kWh

31.74 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 · 2024

Standard model, deductible 300606 CHF/mo

Ø premium in canton Solothurn424 CHF/mo

Estimate Switzerland 2026465.3 CHF/mo

Compare health insurers in Winznau →Canton Solothurn →Premiums explained →

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 · ARE

Vacancy rate

1.26 %

Second homes

7 %

Avg. rooms

Dwellings

1'032

Built before 194619.6%

Built since 200122.5%

1.26 %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 · 2024

Jobs

333

Workplaces

Services share

72.4 %

Jobs by sector: Primary 28 (8.4%) · Secondary 64 (19.2%) · Tertiary 241 (72.4%)

STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025

Farms

Organic share

14.3 %

Farmland

192 ha

Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM

Major centrePT 58 min · Car 54 min

AgglomerationPT 18 min · Car 11 min

Remoteness 76/104 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0

BFS municipality number2501

Websitewinznau.ch ↗

DistrictBezirk Gösgen

Wikidata · continuously updated, retrieved 24.09.2026

Where Winznau ranks

Largest municipalities2'061 #42 SO · #954 CH Growing municipalities0.4% #52 SO · #1171 CH Shrinking municipalities0.4% #52 SO · #935 CH Jobs per resident0.16 #88 SO · #1942 CH Families & children19.7% #50 SO · #1244 CH Age structure23.4% #39 SO · #596 CH Women share49.4% #65 SO · #1319 CH Foreign residents18.1% #39 SO · #1041 CH Population density523/km² #31 SO · #487 CH Tax burden17'356 #96 SO · #1976 CH Taxes130% #97 SO Warmest municipalities9.8 °C #14 SO · #703 CH Sunniest municipalities40.2% #66 SO · #1735 CH Rainiest municipalities1'053 mm #90 SO · #1364 CH Voter turnout53.6% #54 SO · #1403 CH Against Switzerland5.9% #68 SO · #1403 CH Aligned with Switzerland94.1% #5 SO · #54 CH SVP strongholds31.3% #59 SO · #1192 CH SP strongholds15.4% #44 SO · #905 CH Centre strongholds21.8% #31 SO · #452 CH FDP strongholds14.1% #67 SO · #917 CH GLP strongholds5.3% #59 SO · #1124 CH Green strongholds7.9% #38 SO · #894 CH Largest by area3.9 km² #79 SO · #1724 CH Highest municipalities403 m #94 SO · #1878 CH Second homes7% #92 SO · #1826 CH Organic farming14.3% #43 SO · #917 CH Best-connected municipalities58 min #27 SO · #708 CH Remotest municipalities58 min #76 SO · #1394 CH Highest peaks852 m #39 SO · #905 CH Highest-lying municipalities468 m #72 SO · #1606 CH Greatest vertical range473 m #30 SO · #717 CH Steepest municipalities7.4° #55 SO · #1179 CH Solar potential16 GWh #52 SO · #1217 CH Solar potential per capita7'525 kWh #78 SO · #1565 CH Cheapest electricity31.74 Rp./kWh #96 SO · #1981 CH Most expensive electricity31.74 Rp./kWh #8 SO · #124 CH

Postal codes (1)

swisstopo

4652

Winznau

Localities

swisstopo · 1

Winznau4652

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Winznau?: The postal code of Winznau is 4652.
What is the tax rate in Winznau?: The municipal tax multiplier of Winznau is 130% (2026); canton SO levies 104%.
How much tax do you pay in Winznau?: A single person without children pays about 17'356 CHF income tax in Winznau on 100'000 CHF gross income (federal, cantonal, municipal), rank 96 of 104 in canton SO. Source: ESTV (2026).
How many residents does Winznau have?: Winznau has 2'061 residents (2025).
How many foreign residents live in Winznau?: Winznau has 372 foreign residents, a share of 18.05% (2025).

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