What is the postal code of Selzach?

Selzach has 3 postal codes: 2545, 4512, 4574.

What is the tax rate in Selzach?

The municipal tax multiplier of Selzach is 108% (2026); canton SO levies 104%.

How much tax do you pay in Selzach?

A single person without children pays about 15'886 CHF income tax in Selzach on 100'000 CHF gross income (federal, cantonal, municipal), rank 14 of 104 in canton SO. Source: ESTV (2026).

How many residents does Selzach have?

Selzach has 3'750 residents (2025).

How many foreign residents live in Selzach?

Selzach has 677 foreign residents, a share of 18.05% (2025).

Switzerland · Canton SO

Selzach

2545–4574

SO CANTON2545 4512 4574

Residents

3'750

Area

19.5 km²

Population density

193 pop./km²

Elevation

584 m a.s.l.

Terrain up to

1'444 m a.s.l.

Tax multiplier

108%

Postal codes

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

Demographics

BFS · 2025

Women

1'873 49.9%

Men

1'877 50.1%

Children & youth (0–19)

749 20.0%

Swiss citizens

3'073 82.0%

Foreign residents

677 18.1%

Population density

193 pop./km²

0–19 · 749 · 20.0%20–64 · 2'211 · 59.0%65+ · 790 · 21.1%

Foreign residents 18.1%0%64.0%

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

Vote results for Selzach

BFS

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

57.9% YesNo 42.1%

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

56.9% YesNo 43.1%

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

56.2% YesNo 43.8%

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

56.7% YesNo 43.3%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

52.5% YesNo 47.5%

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

20.0% YesNo 80.0%

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

43.6% YesNo 56.4%

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

39.8% YesNo 60.2%

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

70.4% YesNo 29.6%

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

SVP31.1% · strongest party

SVP31.1%

Mitte22.6%

FDP21.8%

SP13.9%

GRÜNE5.1%

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

Taxes 2026

ESTV

Municipal tax multiplier108%

Cantonal tax multiplier104%

108%SO range 65%145%

Tax rank 15 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

15'886 CHF(15.9%)

Rank 14 of 104 in the canton · 1213 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:15'886 CHF(~15.9%)

SelzachCanton range SolothurnSwitzerland median

Show data table

Gross income	Selzach	Solothurn	Switzerland median
40'000	7.5%	6.1–8.8%	5.4%
50'000	9.7%	7.9–11.4%	7.8%
60'000	11.5%	9.4–13.5%	10.5%
70'000	13%	10.5–15.1%	11.9%
80'000	14.1%	11.5–16.3%	13.1%
90'000	14.9%	12.2–17.3%	14.1%
100'000	15.9%	13–18.4%	15.3%
110'000	16.7%	13.8–19.3%	16.3%
120'000	17.4%	14.4–20.1%	17.2%
130'000	18.2%	15.1–20.9%	18.1%
140'000	19%	15.7–21.8%	19%
150'000	19.6%	16.4–22.5%	19.7%
175'000	21.3%	17.8–24.3%	21.6%
200'000	22.7%	19.1–25.8%	23.2%
225'000	23.8%	20.1–27%	24.6%
250'000	24.9%	21.1–28.2%	25.8%
275'000	25.7%	21.9–29.1%	26.8%
300'000	26.5%	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 1991–20209.8 °C

Precipitation 1991–20201'089 mm

9.8 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

1'444 m

Mean elevation

733 m

Relief

1'018 m

Mean slope

12.4°

Flat share

41.4%

South-facing

33.5%

Above 2000 m

0.0%

Relief 1'018 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

37.8 GWh/yr

Roofs + façades

48.7 GWh/yr

≈ households powered

8'400

38 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

27.3 Rp./kWh

Energy

10.89 Rp./kWh

Grid usage

11.25 Rp./kWh

Levies + grid surcharge

3.4 Rp./kWh

27.3 Rp./kWh9.6443.61

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

Network operator BKW Energie 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

1.26 %

Avg. rooms

Dwellings

1'821

Built before 194624.3%

Built since 200127.9%

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

Accessibility

ARE · NPVM

Major centrePT 77 min · Car 48 min

AgglomerationPT 20 min · Car 12 min

Remoteness 17/104 in canton

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

Municipality

Wikidata · CC0

Websiteselzach.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities3'750 #25 SO · #601 CH Families & children20% #45 SO · #1144 CH Age structure21.1% #67 SO · #1026 CH Women share49.9% #51 SO · #1006 CH Foreign residents18.1% #40 SO · #1042 CH Population density193/km² #65 SO · #1050 CH Tax burden15'886 #14 SO · #1213 CH Taxes108% #15 SO Warmest municipalities9.8 °C #15 SO · #704 CH Sunniest municipalities40.2% #72 SO · #1741 CH Rainiest municipalities1'089 mm #64 SO · #1164 CH Voter turnout47.5% #90 SO · #1892 CH Against Switzerland14% #35 SO · #1006 CH Aligned with Switzerland86% #45 SO · #462 CH SVP strongholds31.1% #60 SO · #1203 CH SP strongholds13.9% #52 SO · #1059 CH Centre strongholds22.6% #28 SO · #425 CH FDP strongholds21.8% #22 SO · #350 CH GLP strongholds3.5% #89 SO · #1490 CH Green strongholds5.1% #81 SO · #1526 CH Largest by area19.5 km² #6 SO · #493 CH Highest municipalities584 m #20 SO · #876 CH Remotest municipalities77 min #17 SO · #828 CH Best-connected municipalities77 min #88 SO · #1281 CH Highest peaks1'444 m #1 SO · #480 CH Highest-lying municipalities733 m #15 SO · #698 CH Greatest vertical range1'018 m #1 SO · #442 CH Steepest municipalities12.4° #38 SO · #737 CH Solar potential38 GWh #19 SO · #512 CH Cheapest electricity27.3 Rp./kWh #26 SO · #757 CH Most expensive electricity27.3 Rp./kWh #95 SO · #1367 CH

Postal codes (3)

swisstopo

Localities

swisstopo · 3

Bellach4512 Nennigkofen4574 Selzach2545

Nearby municipalities

swisstopo

Lüsslingen-Nennigkofen

Frequently asked questions

What is the postal code of Selzach?: Selzach has 3 postal codes: 2545, 4512, 4574.
What is the tax rate in Selzach?: The municipal tax multiplier of Selzach is 108% (2026); canton SO levies 104%.
How much tax do you pay in Selzach?: A single person without children pays about 15'886 CHF income tax in Selzach on 100'000 CHF gross income (federal, cantonal, municipal), rank 14 of 104 in canton SO. Source: ESTV (2026).
How many residents does Selzach have?: Selzach has 3'750 residents (2025).
How many foreign residents live in Selzach?: Selzach has 677 foreign residents, a share of 18.05% (2025).

Map

OpenStreetMap

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