What is the postal code of Bellach?

Bellach has 2 postal codes: 4500, 4512.

What is the tax rate in Bellach?

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

How much tax do you pay in Bellach?

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

How many residents does Bellach have?

Bellach has 5'632 residents (2025).

How many foreign residents live in Bellach?

Bellach has 1'745 foreign residents, a share of 30.98% (2025).

Switzerland · Canton SO

Bellach

4500–4512

SO CANTON4500 4512

Residents

5'632

Area

5.3 km²

Population density

1'065 pop./km²

Elevation

450 m a.s.l.

Tax multiplier

125%

Postal codes

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

Demographics

BFS · 2025

Women

2'856 50.7%

Men

2'776 49.3%

Children & youth (0–19)

1'101 19.5%

Swiss citizens

3'887 69.0%

Foreign residents

1'745 31.0%

Population density

1'065 pop./km²

0–19 · 1'101 · 19.5%20–64 · 3'126 · 55.5%65+ · 1'405 · 24.9%

Foreign residents 31.0%0%64.0%

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

Vote results for Bellach

BFS

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

57.8% YesNo 42.2%

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

52.5% YesNo 47.5%

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

57.9% YesNo 42.1%

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

59.0% YesNo 41.0%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

54.6% YesNo 45.4%

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

21.9% YesNo 78.1%

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

43.5% YesNo 56.5%

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

40.1% YesNo 59.9%

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

71.5% YesNo 28.5%

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

47.4% YesNo 52.6%

All federal votes →

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

Politics

National Council election 2023

SVP30.1% · strongest party

SVP30.1%

FDP22.2%

SP18.1%

Mitte15.2%

GRÜNE7.2%

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 76 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%)

BellachCanton range SolothurnSwitzerland median

Show data table

Gross income	Bellach	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 1991–20209.7 °C

Precipitation 1991–20201'180 mm

9.7 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

545 m

Mean elevation

451 m

Relief

120 m

Mean slope

3.4°

Flat share

77.5%

South-facing

17.7%

Above 2000 m

0.0%

Relief 120 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

47.5 GWh/yr

Roofs + façades

60.7 GWh/yr

≈ households powered

10'600

48 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

2.19 %

Avg. rooms

3.8

Dwellings

2'787

Built before 19469.9%

Built since 200116.0%

2.19 %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 68 min · Car 41 min

AgglomerationPT 19 min · Car 11 min

Remoteness 37/104 in canton

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

Municipality

Wikidata · CC0

Websitebellach.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities5'632 #12 SO · #370 CH Families & children19.5% #57 SO · #1309 CH Age structure24.9% #27 SO · #412 CH Women share50.7% #28 SO · #537 CH Foreign residents31% #15 SO · #272 CH Population density1'065/km² #10 SO · #201 CH Tax burden17'010 #65 SO · #1831 CH Taxes125% #76 SO Warmest municipalities9.7 °C #21 SO · #794 CH Sunniest municipalities40.1% #83 SO · #1808 CH Rainiest municipalities1'180 mm #22 SO · #741 CH Voter turnout50.6% #74 SO · #1644 CH Against Switzerland9% #59 SO · #1284 CH Aligned with Switzerland91% #18 SO · #183 CH SVP strongholds30.1% #65 SO · #1260 CH SP strongholds18.1% #26 SO · #610 CH Centre strongholds15.2% #69 SO · #810 CH FDP strongholds22.2% #21 SO · #335 CH GLP strongholds4.5% #76 SO · #1301 CH Green strongholds7.2% #46 SO · #1046 CH Largest by area5.3 km² #66 SO · #1510 CH Highest municipalities450 m #73 SO · #1537 CH Remotest municipalities68 min #37 SO · #1086 CH Best-connected municipalities68 min #68 SO · #1022 CH Highest peaks545 m #72 SO · #1735 CH Highest-lying municipalities451 m #81 SO · #1717 CH Greatest vertical range120 m #74 SO · #1736 CH Steepest municipalities3.4° #83 SO · #1846 CH Solar potential48 GWh #10 SO · #359 CH Cheapest electricity27.3 Rp./kWh #17 SO · #748 CH Most expensive electricity27.3 Rp./kWh #86 SO · #1358 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Bellach4512 Solothurn4500

Nearby municipalities

swisstopo

Lüsslingen-Nennigkofen

Frequently asked questions

What is the postal code of Bellach?: Bellach has 2 postal codes: 4500, 4512.
What is the tax rate in Bellach?: The municipal tax multiplier of Bellach is 125% (2026); canton SO levies 104%.
How much tax do you pay in Bellach?: A single person without children pays about 17'010 CHF income tax in Bellach on 100'000 CHF gross income (federal, cantonal, municipal), rank 64 of 104 in canton SO. Source: ESTV (2026).
How many residents does Bellach have?: Bellach has 5'632 residents (2025).
How many foreign residents live in Bellach?: Bellach has 1'745 foreign residents, a share of 30.98% (2025).

Map

OpenStreetMap

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