What is the postal code of Boningen?

Boningen has 2 postal codes: 4618, 4663.

What is the tax rate in Boningen?

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

How much tax do you pay in Boningen?

A single person without children pays about 17'020 CHF income tax in Boningen on 100'000 CHF gross income (federal, cantonal, municipal), rank 72 of 104 in canton SO. Source: ESTV (2026).

How many residents does Boningen have?

Boningen has 816 residents (2025).

How many foreign residents live in Boningen?

Boningen has 173 foreign residents, a share of 21.2% (2025).

Switzerland · Canton SO

Boningen

4618–4663

SO CANTON4618 4663

Residents

816

Area

2.8 km²

Population density

296 pop./km²

Elevation

410 m a.s.l.

Tax multiplier

125%

Postal codes

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

Demographics

BFS · 2025

Women

407 49.9%

Men

409 50.1%

Children & youth (0–19)

186 22.8%

Swiss citizens

643 78.8%

Foreign residents

173 21.2%

Population density

296 pop./km²

0–19 · 186 · 22.8%20–64 · 502 · 61.5%65+ · 128 · 15.7%

Foreign residents 21.2%0%64.0%

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

Vote results for Boningen

BFS

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

62.5% YesNo 37.5%

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

73.4% YesNo 26.6%

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

48.9% YesNo 51.1%

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

49.6% YesNo 50.4%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

47.2% YesNo 52.8%

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

18.9% YesNo 81.1%

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

52.7% YesNo 47.3%

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

52.6% YesNo 47.4%

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

68.1% YesNo 31.9%

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

56.1% YesNo 43.9%

All federal votes →

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

Politics

National Council election 2023

SVP43.2% · strongest party

SVP43.2%

Mitte18.5%

FDP16.9%

SP10.8%

GLP4.7%

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 69 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

17'020 CHF(17%)

Rank 72 of 104 in the canton · 1852 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:17'020 CHF(~17%)

BoningenCanton range SolothurnSwitzerland median

Show data table

Gross income	Boningen	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	12.4%	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 1991–20209.2 °C

Precipitation 1991–20201'082 mm

9.2 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

480 m

Mean elevation

416 m

Relief

87 m

Mean slope

3.7°

Flat share

75.7%

South-facing

14.7%

Above 2000 m

0.0%

Relief 87 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

8.6 GWh/yr

Roofs + façades

11.2 GWh/yr

≈ households powered

1'900

9 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

30.47 Rp./kWh

Energy

16.34 Rp./kWh

Grid usage

9 Rp./kWh

Levies + grid surcharge

3 Rp./kWh

30.47 Rp./kWh9.6443.61

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

Network operator eug Elektra Untergäu Genossenschaft

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

0.78 %

Avg. rooms

4.1

Dwellings

384

Built before 194620.8%

Built since 200128.9%

0.78 %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 45 min

AgglomerationPT 14 min · Car 7 min

Remoteness 38/104 in canton

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

Municipality

Wikidata · CC0

Websiteboningen.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities816 #82 SO · #1573 CH Families & children22.8% #4 SO · #350 CH Age structure15.7% #104 SO · #1926 CH Women share49.9% #52 SO · #1007 CH Foreign residents21.2% #30 SO · #765 CH Population density296/km² #53 SO · #787 CH Tax burden17'020 #72 SO · #1852 CH Taxes125% #69 SO Warmest municipalities9.2 °C #70 SO · #1235 CH Sunniest municipalities40.2% #73 SO · #1742 CH Rainiest municipalities1'082 mm #74 SO · #1208 CH Voter turnout51.5% #61 SO · #1529 CH SVP strongholds43.2% #4 SO · #488 CH SP strongholds10.8% #67 SO · #1427 CH Centre strongholds18.5% #56 SO · #611 CH FDP strongholds16.9% #46 SO · #660 CH GLP strongholds4.7% #72 SO · #1262 CH Green strongholds3.4% #96 SO · #1825 CH Largest by area2.8 km² #88 SO · #1903 CH Highest municipalities410 m #93 SO · #1841 CH Remotest municipalities68 min #38 SO · #1087 CH Best-connected municipalities68 min #69 SO · #1023 CH Highest peaks480 m #92 SO · #1944 CH Highest-lying municipalities416 m #99 SO · #1925 CH Greatest vertical range87 m #80 SO · #1901 CH Steepest municipalities3.7° #81 SO · #1798 CH Solar potential9 GWh #79 SO · #1641 CH Cheapest electricity30.47 Rp./kWh #52 SO · #1746 CH Most expensive electricity30.47 Rp./kWh #50 SO · #358 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Aarburg4663 Boningen4618

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Boningen?: Boningen has 2 postal codes: 4618, 4663.
What is the tax rate in Boningen?: The municipal tax multiplier of Boningen is 125% (2026); canton SO levies 104%.
How much tax do you pay in Boningen?: A single person without children pays about 17'020 CHF income tax in Boningen on 100'000 CHF gross income (federal, cantonal, municipal), rank 72 of 104 in canton SO. Source: ESTV (2026).
How many residents does Boningen have?: Boningen has 816 residents (2025).
How many foreign residents live in Boningen?: Boningen has 173 foreign residents, a share of 21.2% (2025).

Map

OpenStreetMap

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