What is the postal code of Seewen?

Seewen has 2 postal codes: 4204, 4206.

What is the tax rate in Seewen?

The municipal tax multiplier of Seewen is 125% (2026); canton SO levies 104%.

How much tax do you pay in Seewen?

A single person without children pays about 17'010 CHF income tax in Seewen on 100'000 CHF gross income (federal, cantonal, municipal), rank 64 of 104 in canton SO. Source: ESTV (2026).

How many residents does Seewen have?

Seewen has 1'088 residents (2025).

How many foreign residents live in Seewen?

Seewen has 132 foreign residents, a share of 12.13% (2025).

Switzerland · Canton SO

Seewen

4204–4206

SO CANTON4204 4206

Residents

1'088

Area

16.3 km²

Population density

67 pop./km²

Elevation

544 m a.s.l.

Terrain up to

896 m a.s.l.

Tax multiplier

125%

Postal codes

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

Demographics

BFS · 2025

Women

553 50.8%

Men

535 49.2%

Children & youth (0–19)

197 18.1%

Swiss citizens

956 87.9%

Foreign residents

132 12.1%

Population density

67 pop./km²

0–19 · 197 · 18.1%20–64 · 631 · 58.0%65+ · 260 · 23.9%

Foreign residents 12.1%0%64.0%

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

Vote results for Seewen

BFS

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

58.1% YesNo 41.9%

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

61.4% YesNo 38.6%

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

56.9% YesNo 43.1%

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

56.8% YesNo 43.2%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

47.1% YesNo 52.9%

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

18.3% YesNo 81.7%

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

44.1% YesNo 55.9%

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

49.7% YesNo 50.3%

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

71.6% YesNo 28.4%

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

56.0% YesNo 44.0%

All federal votes →

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

Politics

National Council election 2023

SVP34.4% · strongest party

SVP34.4%

Mitte26.3%

FDP13.7%

SP8.3%

GRÜNE6.5%

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

Taxes 2026

ESTV

Municipal tax multiplier125%

Cantonal tax multiplier104%

125%SO range 65%145%

Tax rank 65 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

17'010 CHF(17%)

Rank 64 of 104 in the canton · 1830 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:17'010 CHF(~17%)

SeewenCanton range SolothurnSwitzerland median

Show data table

Gross income	Seewen	Solothurn	Switzerland median
40'000	8%	6.1–8.8%	5.4%
50'000	10.4%	7.9–11.4%	7.8%
60'000	12.4%	9.4–13.5%	10.5%
70'000	13.9%	10.5–15.1%	11.9%
80'000	15.1%	11.5–16.3%	13.1%
90'000	16%	12.2–17.3%	14.1%
100'000	17%	13–18.4%	15.3%
110'000	17.9%	13.8–19.3%	16.3%
120'000	18.6%	14.4–20.1%	17.2%
130'000	19.4%	15.1–20.9%	18.1%
140'000	20.2%	15.7–21.8%	19%
150'000	20.9%	16.4–22.5%	19.7%
175'000	22.7%	17.8–24.3%	21.6%
200'000	24.1%	19.1–25.8%	23.2%
225'000	25.3%	20.1–27%	24.6%
250'000	26.4%	21.1–28.2%	25.8%
275'000	27.3%	21.9–29.1%	26.8%
300'000	28%	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 1991–20209.1 °C

Precipitation 1991–20201'194 mm

9.1 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

896 m

Mean elevation

644 m

Relief

475 m

Mean slope

13.7°

Flat share

15.0%

South-facing

24.4%

Above 2000 m

0.0%

Relief 475 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

12.5 GWh/yr

Roofs + façades

16.4 GWh/yr

≈ households powered

2'800

13 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

31.98 Rp./kWh

Energy

13.73 Rp./kWh

Grid usage

14.26 Rp./kWh

Levies + grid surcharge

2.92 Rp./kWh

31.98 Rp./kWh9.6443.61

Canton median 30.42 Rp./kWhSwiss median 27.7 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.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026

Housing

BFS

Vacancy rate

0.85 %

Avg. rooms

4.2

Dwellings

590

Built before 194636.4%

Built since 200117.5%

0.85 %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 49 min · Car 30 min

AgglomerationPT 49 min · Car 30 min

Remoteness 92/104 in canton

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

Municipality

Wikidata · CC0

Websiteseewen.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities1'088 #72 SO · #1406 CH Families & children18.1% #79 SO · #1648 CH Age structure23.9% #32 SO · #532 CH Women share50.8% #25 SO · #507 CH Foreign residents12.1% #72 SO · #1530 CH Population density67/km² #96 SO · #1668 CH Tax burden17'010 #70 SO · #1836 CH Taxes125% #65 SO Warmest municipalities9.1 °C #74 SO · #1308 CH Sunniest municipalities41% #19 SO · #1412 CH Rainiest municipalities1'194 mm #20 SO · #706 CH Voter turnout54.4% #39 SO · #1154 CH Against Switzerland23% #11 SO · #347 CH Aligned with Switzerland77% #68 SO · #1089 CH SVP strongholds34.4% #37 SO · #1010 CH SP strongholds8.3% #81 SO · #1671 CH Centre strongholds26.3% #22 SO · #319 CH FDP strongholds13.7% #70 SO · #956 CH GLP strongholds6% #42 SO · #969 CH Green strongholds6.5% #54 SO · #1205 CH Largest by area16.3 km² #8 SO · #590 CH Highest municipalities544 m #28 SO · #1027 CH Remotest municipalities49 min #92 SO · #1670 CH Best-connected municipalities49 min #14 SO · #432 CH Highest peaks896 m #35 SO · #836 CH Highest-lying municipalities644 m #28 SO · #900 CH Greatest vertical range475 m #29 SO · #715 CH Steepest municipalities13.7° #32 SO · #640 CH Solar potential13 GWh #62 SO · #1385 CH Cheapest electricity31.98 Rp./kWh #71 SO · #1877 CH Most expensive electricity31.98 Rp./kWh #30 SO · #203 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Himmelried4204 Seewen SO4206

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Seewen?: Seewen has 2 postal codes: 4204, 4206.
What is the tax rate in Seewen?: The municipal tax multiplier of Seewen is 125% (2026); canton SO levies 104%.
How much tax do you pay in Seewen?: A single person without children pays about 17'010 CHF income tax in Seewen on 100'000 CHF gross income (federal, cantonal, municipal), rank 64 of 104 in canton SO. Source: ESTV (2026).
How many residents does Seewen have?: Seewen has 1'088 residents (2025).
How many foreign residents live in Seewen?: Seewen has 132 foreign residents, a share of 12.13% (2025).

Map

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