What is the postal code of Lommiswil?

Lommiswil has 2 postal codes: 4512, 4514.

What is the tax rate in Lommiswil?

The municipal tax multiplier of Lommiswil is 127% (2026); canton SO levies 104%.

How much tax do you pay in Lommiswil?

A single person without children pays about 17'144 CHF income tax in Lommiswil on 100'000 CHF gross income (federal, cantonal, municipal), rank 85 of 104 in canton SO. Source: ESTV (2026).

How many residents does Lommiswil have?

Lommiswil has 1'615 residents (2025).

How many foreign residents live in Lommiswil?

Lommiswil has 154 foreign residents, a share of 9.54% (2025).

Switzerland · Canton SO

Lommiswil

4512–4514

SO CANTON4512 4514

Residents

1'615

Area

5.8 km²

Population density

280 pop./km²

Elevation

564 m a.s.l.

Terrain up to

1'367 m a.s.l.

Tax multiplier

127%

Postal codes

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

Demographics

BFS · 2025

Women

816 50.5%

Men

799 49.5%

Children & youth (0–19)

334 20.7%

Swiss citizens

1'461 90.5%

Foreign residents

154 9.5%

Population density

280 pop./km²

0–19 · 334 · 20.7%20–64 · 885 · 54.8%65+ · 396 · 24.5%

Foreign residents 9.5%0%64.0%

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

Vote results for Lommiswil

BFS

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

57.0% YesNo 43.0%

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

51.9% YesNo 48.1%

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

52.9% YesNo 47.1%

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

52.9% YesNo 47.1%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

50.1% YesNo 49.9%

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

21.0% YesNo 79.1%

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

38.0% YesNo 62.0%

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

40.8% YesNo 59.2%

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

70.9% YesNo 29.1%

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

47.3% YesNo 52.7%

All federal votes →

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

Politics

National Council election 2023

SVP27.8% · strongest party

SVP27.8%

FDP17.2%

Mitte17.0%

SP15.8%

GRÜNE10.3%

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

Taxes 2026

ESTV

Municipal tax multiplier127%

Cantonal tax multiplier104%

127%SO range 65%145%

Tax rank 85 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

17'144 CHF(17.1%)

Rank 85 of 104 in the canton · 1896 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:17'144 CHF(~17.1%)

LommiswilCanton range SolothurnSwitzerland median

Show data table

Gross income	Lommiswil	Solothurn	Switzerland median
40'000	8.1%	6.1–8.8%	5.4%
50'000	10.5%	7.9–11.4%	7.8%
60'000	12.5%	9.4–13.5%	10.5%
70'000	14%	10.5–15.1%	11.9%
80'000	15.2%	11.5–16.3%	13.1%
90'000	16.1%	12.2–17.3%	14.1%
100'000	17.1%	13–18.4%	15.3%
110'000	18%	13.8–19.3%	16.3%
120'000	18.8%	14.4–20.1%	17.2%
130'000	19.6%	15.1–20.9%	18.1%
140'000	20.4%	15.7–21.8%	19%
150'000	21.1%	16.4–22.5%	19.7%
175'000	22.8%	17.8–24.3%	21.6%
200'000	24.2%	19.1–25.8%	23.2%
225'000	25.5%	20.1–27%	24.6%
250'000	26.6%	21.1–28.2%	25.8%
275'000	27.4%	21.9–29.1%	26.8%
300'000	28.2%	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 1991–20201'400 mm

9.1 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

1'367 m

Mean elevation

727 m

Relief

874 m

Mean slope

13.5°

Flat share

33.7%

South-facing

59.1%

Above 2000 m

0.0%

Relief 874 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

13.7 GWh/yr

Roofs + façades

17.9 GWh/yr

≈ households powered

3'100

14 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

26.2–30.36 Rp./kWh

28.28 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

1.99 %

Avg. rooms

4.5

Dwellings

753

Built before 194617.8%

Built since 200121.9%

1.99 %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 27 min · Car 14 min

Remoteness 15/104 in canton

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

Municipality

Wikidata · CC0

Websitelommiswil.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities1'615 #51 SO · #1112 CH Families & children20.7% #29 SO · #912 CH Age structure24.5% #29 SO · #458 CH Women share50.5% #33 SO · #626 CH Foreign residents9.5% #81 SO · #1741 CH Population density280/km² #54 SO · #816 CH Tax burden17'144 #85 SO · #1896 CH Taxes127% #85 SO Warmest municipalities9.1 °C #75 SO · #1309 CH Sunniest municipalities40.8% #28 SO · #1489 CH Rainiest municipalities1'400 mm #7 SO · #352 CH Voter turnout64.1% #5 SO · #192 CH Against Switzerland8% #62 SO · #1337 CH Aligned with Switzerland92% #15 SO · #137 CH SVP strongholds27.8% #82 SO · #1408 CH SP strongholds15.8% #42 SO · #858 CH Centre strongholds17% #61 SO · #699 CH FDP strongholds17.2% #45 SO · #636 CH GLP strongholds8.7% #6 SO · #481 CH Green strongholds10.3% #22 SO · #522 CH Largest by area5.8 km² #54 SO · #1420 CH Highest municipalities564 m #23 SO · #949 CH Remotest municipalities78 min #15 SO · #804 CH Best-connected municipalities78 min #95 SO · #1303 CH Highest peaks1'367 m #6 SO · #520 CH Highest-lying municipalities727 m #16 SO · #711 CH Greatest vertical range874 m #5 SO · #477 CH Steepest municipalities13.5° #34 SO · #657 CH Solar potential14 GWh #55 SO · #1303 CH Cheapest electricity28.28 Rp./kWh #32 SO · #1155 CH Most expensive electricity28.28 Rp./kWh #73 SO · #952 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Bellach4512 Lommiswil4514

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Lommiswil?: Lommiswil has 2 postal codes: 4512, 4514.
What is the tax rate in Lommiswil?: The municipal tax multiplier of Lommiswil is 127% (2026); canton SO levies 104%.
How much tax do you pay in Lommiswil?: A single person without children pays about 17'144 CHF income tax in Lommiswil on 100'000 CHF gross income (federal, cantonal, municipal), rank 85 of 104 in canton SO. Source: ESTV (2026).
How many residents does Lommiswil have?: Lommiswil has 1'615 residents (2025).
How many foreign residents live in Lommiswil?: Lommiswil has 154 foreign residents, a share of 9.54% (2025).

Map

OpenStreetMap

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