What is the postal code of Kleinlützel?

Kleinlützel has 2 postal codes: 2814, 4245.

What is the tax rate in Kleinlützel?

The municipal tax multiplier of Kleinlützel is 126% (2026); canton SO levies 104%.

How much tax do you pay in Kleinlützel?

A single person without children pays about 17'092 CHF income tax in Kleinlützel on 100'000 CHF gross income (federal, cantonal, municipal), rank 84 of 104 in canton SO. Source: ESTV (2026).

How many residents does Kleinlützel have?

Kleinlützel has 1'190 residents (2025).

How many foreign residents live in Kleinlützel?

Kleinlützel has 165 foreign residents, a share of 13.87% (2025).

Switzerland · Canton SO · Bezirk Thierstein

Kleinlützel

2814–4245

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

Demographics

BFS · 2025

Women

598 50.3%

Men

592 49.7%

Children & youth (0–19)

186 15.6%

Swiss citizens

1'025 86.1%

Foreign residents

165 13.9%

Population density

73 pop./km²

0–19 · 186 · 15.6%20–64 · 658 · 55.3%65+ · 346 · 29.1%

Foreign residents 13.9%0%64.0%

Population change 2025: −7 (−0.6%) · 7 births · 17 deaths · net migration +1

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 Kleinlützel

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 Thierstein: 27.1% Yes

40.5% YesNo 59.5%

27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Thierstein: 38.5% Yes

37.8% YesNo 62.2%

14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Thierstein: 55.8% Yes

47.4% YesNo 52.6%

14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Thierstein: 59.7% Yes

57.5% YesNo 42.5%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Thierstein: 50.4% Yes

58.1% YesNo 41.9%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Thierstein: 50.5% Yes

58.5% YesNo 41.5%

08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Thierstein: 46.5% Yes

47.4% YesNo 52.6%

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 Thierstein: 20.1% Yes

25.1% YesNo 75.0%

08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Thierstein: 46.6% Yes

42.7% YesNo 57.3%

08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Thierstein: 47.7% Yes

50.5% YesNo 49.5%

All federal votes →

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

Politics

National Council election 2023

SVP33.4% · strongest party

SVP33.4%

Mitte18.9%

SP14.8%

FDP13.0%

GRÜNE10.3%

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

Taxes 2026

ESTV

Municipal tax multiplier126%

Cantonal tax multiplier104%

126%SO range 65%145%

Tax rank 83 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

17'092 CHF(17.1%)

Rank 84 of 104 in the canton · 1887 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:17'092 CHF(~17.1%)

KleinlützelCanton range SolothurnSwitzerland median

Show data table

Gross income	Kleinlützel	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	18.7%	14.4–20.1%	17.2%
130'000	19.5%	15.1–20.9%	18.1%
140'000	20.3%	15.7–21.8%	19%
150'000	21%	16.4–22.5%	19.7%
175'000	22.7%	17.8–24.3%	21.6%
200'000	24.2%	19.1–25.8%	23.2%
225'000	25.4%	20.1–27%	24.6%
250'000	26.5%	21.1–28.2%	25.8%
275'000	27.4%	21.9–29.1%	26.8%
300'000	28.1%	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 1991–20209.4 °C

Precipitation 1991–20201'101 mm

9.4 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

830 m

Mean elevation

585 m

Relief

436 m

Mean slope

16.1°

Flat share

9.4%

South-facing

32.8%

Above 2000 m

0.0%

Relief 436 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

14.4 GWh/yr

Roofs + façades

18.2 GWh/yr

≈ households powered

3'200

Per inhabitant

12'076 kWh/yr

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 24.09.2026

Electricity

ElCom · 2027

Tariff H4

31.21 Rp./kWh

Energy

13.45 Rp./kWh

Grid usage

13.78 Rp./kWh

Levies + grid surcharge

2.91 Rp./kWh

31.21 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 Kleinlützel →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

1.2 %

Second homes

15.4 %

Avg. rooms

4.1

Dwellings

664

Built before 194638.1%

Built since 20019.8%

1.2 %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

357

Workplaces

102

Services share

29.4 %

Jobs by sector: Primary 58 (16.2%) · Secondary 194 (54.3%) · Tertiary 105 (29.4%)

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

Agriculture

BFS · 2025

Farms

Organic share

14.3 %

Farmland

692 ha

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

Accessibility

ARE · NPVM

Major centrePT 53 min · Car 44 min

AgglomerationPT 45 min · Car 23 min

Remoteness 89/104 in canton

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

Municipality

Wikidata · CC0

BFS municipality number2619

Websitekleinluetzel.ch ↗

DistrictBezirk Thierstein

Wikidata · continuously updated, retrieved 24.09.2026

Where Kleinlützel ranks

Largest municipalities1'190 #66 SO · #1329 CH Growing municipalities-0.6% #78 SO · #1671 CH Shrinking municipalities-0.6% #27 SO · #438 CH Jobs per resident0.3 #56 SO · #1284 CH Families & children15.6% #102 SO · #1939 CH Age structure29.1% #6 SO · #132 CH Women share50.3% #38 SO · #730 CH Foreign residents13.9% #59 SO · #1375 CH Population density73/km² #93 SO · #1627 CH Tax burden17'092 #84 SO · #1887 CH Taxes126% #83 SO Warmest municipalities9.4 °C #55 SO · #1059 CH Sunniest municipalities40.8% #34 SO · #1495 CH Rainiest municipalities1'101 mm #51 SO · #1101 CH Voter turnout53.6% #56 SO · #1405 CH Against Switzerland23% #7 SO · #327 CH Aligned with Switzerland77% #69 SO · #1130 CH SVP strongholds33.4% #44 SO · #1073 CH SP strongholds14.8% #47 SO · #964 CH Centre strongholds18.9% #51 SO · #590 CH FDP strongholds13% #78 SO · #1029 CH GLP strongholds5% #68 SO · #1194 CH Green strongholds10.3% #23 SO · #525 CH Largest by area16.3 km² #9 SO · #591 CH Highest municipalities422 m #90 SO · #1762 CH Second homes15.4% #6 SO · #543 CH Organic farming14.3% #45 SO · #919 CH Best-connected municipalities53 min #17 SO · #561 CH Remotest municipalities53 min #89 SO · #1544 CH Highest peaks830 m #40 SO · #941 CH Highest-lying municipalities585 m #39 SO · #1072 CH Greatest vertical range436 m #38 SO · #768 CH Steepest municipalities16.1° #23 SO · #535 CH Solar potential14 GWh #54 SO · #1271 CH Solar potential per capita12'076 kWh #19 SO · #744 CH Cheapest electricity31.21 Rp./kWh #85 SO · #1928 CH Most expensive electricity31.21 Rp./kWh #41 SO · #180 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Kleinlützel4245 Roggenburg2814

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Kleinlützel?: Kleinlützel has 2 postal codes: 2814, 4245.
What is the tax rate in Kleinlützel?: The municipal tax multiplier of Kleinlützel is 126% (2026); canton SO levies 104%.
How much tax do you pay in Kleinlützel?: A single person without children pays about 17'092 CHF income tax in Kleinlützel on 100'000 CHF gross income (federal, cantonal, municipal), rank 84 of 104 in canton SO. Source: ESTV (2026).
How many residents does Kleinlützel have?: Kleinlützel has 1'190 residents (2025).
How many foreign residents live in Kleinlützel?: Kleinlützel has 165 foreign residents, a share of 13.87% (2025).

Map

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