What is the postal code of Buchegg?

Buchegg has 11 postal codes: 4576, 4577, 4578, 4579, 4581, 4582, 4583, 4584, 4586, 4587, 4588.

What is the tax rate in Buchegg?

The municipal tax multiplier of Buchegg is 110% (2026); canton SO levies 104%.

How much tax do you pay in Buchegg?

A single person without children pays about 16'009 CHF income tax in Buchegg on 100'000 CHF gross income (federal, cantonal, municipal), rank 16 of 104 in canton SO. Source: ESTV (2026).

How many residents does Buchegg have?

Buchegg has 2'979 residents (2025).

How many foreign residents live in Buchegg?

Buchegg has 171 foreign residents, a share of 5.74% (2025).

Switzerland · Canton SO

Buchegg

4576–4588

SO CANTON4576 4577 4578 4579+7 PLZ

Residents

2'979

Area

25.7 km²

Population density

116 pop./km²

Elevation

557 m a.s.l.

Tax multiplier

110%

Postal codes

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

Demographics

BFS · 2025

Women

1'531 51.4%

Men

1'448 48.6%

Children & youth (0–19)

503 16.9%

Swiss citizens

2'808 94.3%

Foreign residents

171 5.7%

Population density

116 pop./km²

0–19 · 503 · 16.9%20–64 · 1'756 · 58.9%65+ · 720 · 24.2%

Foreign residents 5.7%0%64.0%

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

Vote results for Buchegg

BFS

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

58.9% YesNo 41.1%

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

54.1% YesNo 45.9%

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

53.4% YesNo 46.6%

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

53.2% YesNo 46.8%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

48.6% YesNo 51.4%

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

22.0% YesNo 78.0%

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

41.7% YesNo 58.3%

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

39.2% YesNo 60.8%

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

71.0% YesNo 29.0%

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

45.8% YesNo 54.2%

All federal votes →

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

Politics

National Council election 2023

SVP32.7% · strongest party

SVP32.7%

FDP24.8%

SP16.6%

Mitte8.4%

GRÜNE7.3%

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

Taxes 2026

ESTV

Municipal tax multiplier110%

Cantonal tax multiplier104%

110%SO range 65%145%

Tax rank 19 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

16'009 CHF(16%)

Rank 16 of 104 in the canton · 1272 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:16'009 CHF(~16%)

BucheggCanton range SolothurnSwitzerland median

Show data table

Gross income	Buchegg	Solothurn	Switzerland median
40'000	7.5%	6.1–8.8%	5.4%
50'000	9.8%	7.9–11.4%	7.8%
60'000	11.6%	9.4–13.5%	10.5%
70'000	13.1%	10.5–15.1%	11.9%
80'000	14.2%	11.5–16.3%	13.1%
90'000	15%	12.2–17.3%	14.1%
100'000	16%	13–18.4%	15.3%
110'000	16.9%	13.8–19.3%	16.3%
120'000	17.6%	14.4–20.1%	17.2%
130'000	18.3%	15.1–20.9%	18.1%
140'000	19.1%	15.7–21.8%	19%
150'000	19.8%	16.4–22.5%	19.7%
175'000	21.4%	17.8–24.3%	21.6%
200'000	22.8%	19.1–25.8%	23.2%
225'000	24%	20.1–27%	24.6%
250'000	25.1%	21.1–28.2%	25.8%
275'000	25.9%	21.9–29.1%	26.8%
300'000	26.6%	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 1991–20208.9 °C

Precipitation 1991–20201'165 mm

8.9 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

660 m

Mean elevation

560 m

Relief

198 m

Mean slope

6.2°

Flat share

50.7%

South-facing

13.6%

Above 2000 m

0.0%

Relief 198 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

40.1 GWh/yr

Roofs + façades

51.3 GWh/yr

≈ households powered

8'900

40 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

30.93–38.09 Rp./kWh

34.51 Rp./kWh9.6443.61

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

Network operators Genossenschaft Elektra, Jegenstorf · GEBNET AG

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

0.8 %

Avg. rooms

4.2

Dwellings

1'504

Built before 194646.7%

Built since 200116.2%

0.8 %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 67 min · Car 44 min

AgglomerationPT 37 min · Car 21 min

Remoteness 41/104 in canton

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

Municipality

Wikidata · CC0

Websitebuchegg-so.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities2'979 #30 SO · #733 CH Families & children16.9% #96 SO · #1830 CH Age structure24.2% #30 SO · #494 CH Women share51.4% #7 SO · #256 CH Foreign residents5.7% #100 SO · #1979 CH Population density116/km² #87 SO · #1389 CH Tax burden16'009 #16 SO · #1272 CH Taxes110% #19 SO Warmest municipalities8.9 °C #86 SO · #1423 CH Sunniest municipalities40.9% #23 SO · #1448 CH Rainiest municipalities1'165 mm #25 SO · #777 CH Voter turnout53.4% #46 SO · #1297 CH Against Switzerland11% #51 SO · #1172 CH Aligned with Switzerland89% #25 SO · #292 CH SVP strongholds32.7% #50 SO · #1112 CH SP strongholds16.6% #35 SO · #773 CH Centre strongholds8.4% #101 SO · #1388 CH FDP strongholds24.8% #16 SO · #236 CH GLP strongholds6.6% #32 SO · #837 CH Green strongholds7.3% #43 SO · #1021 CH Largest by area25.7 km² #3 SO · #354 CH Highest municipalities557 m #24 SO · #981 CH Remotest municipalities67 min #41 SO · #1116 CH Best-connected municipalities67 min #60 SO · #989 CH Highest peaks660 m #55 SO · #1329 CH Highest-lying municipalities560 m #42 SO · #1177 CH Greatest vertical range198 m #59 SO · #1379 CH Steepest municipalities6.2° #64 SO · #1362 CH Solar potential40 GWh #15 SO · #462 CH Cheapest electricity34.51 Rp./kWh #101 SO · #2040 CH Most expensive electricity34.51 Rp./kWh #4 SO · #67 CH

Postal codes (11)

swisstopo

Localities

swisstopo · 13

Aetigkofen4583 Aetingen4587 Bibern SO4578 Brittern4588 Brügglen4582 Gächliwil4584 Gossliwil4579 Hessigkofen4577 Küttigkofen4581 Kyburg-Buchegg4586 Lüterswil4584 Mühledorf SO4583 Tscheppach4576

Nearby municipalities

swisstopo

Unterramsern

SO · 2.9 km

Lüterkofen-Ichertswil

Lüsslingen-Nennigkofen

SO · 4.7 km

Lohn-Ammannsegg

SO · 4.7 km

Frequently asked questions

What is the postal code of Buchegg?: Buchegg has 11 postal codes: 4576, 4577, 4578, 4579, 4581, 4582, 4583, 4584, 4586, 4587, 4588.
What is the tax rate in Buchegg?: The municipal tax multiplier of Buchegg is 110% (2026); canton SO levies 104%.
How much tax do you pay in Buchegg?: A single person without children pays about 16'009 CHF income tax in Buchegg on 100'000 CHF gross income (federal, cantonal, municipal), rank 16 of 104 in canton SO. Source: ESTV (2026).
How many residents does Buchegg have?: Buchegg has 2'979 residents (2025).
How many foreign residents live in Buchegg?: Buchegg has 171 foreign residents, a share of 5.74% (2025).

Map

OpenStreetMap

Compare

Buchegg compared with