What is the postal code of Erschwil?

Erschwil has 2 postal codes: 4228, 4233.

What is the tax rate in Erschwil?

The municipal tax multiplier of Erschwil is 128% (2026); canton SO levies 104%.

How much tax do you pay in Erschwil?

A single person without children pays about 17'250 CHF income tax in Erschwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 88 of 104 in canton SO. Source: ESTV (2026).

How many residents does Erschwil have?

Erschwil has 996 residents (2025).

How many foreign residents live in Erschwil?

Erschwil has 177 foreign residents, a share of 17.77% (2025).

Switzerland · Canton SO

Erschwil

4228–4233

SO CANTON4228 4233

Residents

996

Area

7.4 km²

Population density

134 pop./km²

Elevation

497 m a.s.l.

Terrain up to

905 m a.s.l.

Tax multiplier

128%

Postal codes

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

Demographics

BFS · 2025

Women

477 47.9%

Men

519 52.1%

Children & youth (0–19)

206 20.7%

Swiss citizens

819 82.2%

Foreign residents

177 17.8%

Population density

134 pop./km²

0–19 · 206 · 20.7%20–64 · 539 · 54.1%65+ · 251 · 25.2%

Foreign residents 17.8%0%64.0%

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

Vote results for Erschwil

BFS

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

61.7% YesNo 38.4%

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

62.0% YesNo 38.0%

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

49.4% YesNo 50.6%

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

48.9% YesNo 51.1%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

39.4% YesNo 60.7%

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 79.0%

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

48.3% YesNo 51.7%

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

46.1% YesNo 53.9%

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

65.1% YesNo 34.9%

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

52.9% YesNo 47.1%

All federal votes →

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

Politics

National Council election 2023

Mitte36.1% · strongest party

Mitte36.1%

SVP33.6%

FDP13.7%

SP7.2%

GRÜNE3.8%

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

Taxes 2026

ESTV

Municipal tax multiplier128%

Cantonal tax multiplier104%

128%SO range 65%145%

Tax rank 89 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

17'250 CHF(17.3%)

Rank 88 of 104 in the canton · 1947 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:17'250 CHF(~17.3%)

ErschwilCanton range SolothurnSwitzerland median

Show data table

Gross income	Erschwil	Solothurn	Switzerland median
40'000	8.2%	6.1–8.8%	5.4%
50'000	10.7%	7.9–11.4%	7.8%
60'000	12.6%	9.4–13.5%	10.5%
70'000	14.1%	10.5–15.1%	11.9%
80'000	15.3%	11.5–16.3%	13.1%
90'000	16.2%	12.2–17.3%	14.1%
100'000	17.3%	13–18.4%	15.3%
110'000	18.1%	13.8–19.3%	16.3%
120'000	18.9%	14.4–20.1%	17.2%
130'000	19.7%	15.1–20.9%	18.1%
140'000	20.5%	15.7–21.8%	19%
150'000	21.2%	16.4–22.5%	19.7%
175'000	22.9%	17.8–24.3%	21.6%
200'000	24.4%	19.1–25.8%	23.2%
225'000	25.6%	20.1–27%	24.6%
250'000	26.7%	21.1–28.2%	25.8%
275'000	27.5%	21.9–29.1%	26.8%
300'000	28.3%	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 1991–20209.3 °C

Precipitation 1991–20201'090 mm

9.3 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

905 m

Mean elevation

626 m

Relief

470 m

Mean slope

20.6°

Flat share

4.9%

South-facing

14.9%

Above 2000 m

0.0%

Relief 470 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

6.7 GWh/yr

Roofs + façades

8.5 GWh/yr

≈ households powered

1'500

7 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

31.98 Rp./kWh

Energy

13.73 Rp./kWh

Grid usage

14.26 Rp./kWh

Levies + grid surcharge

2.92 Rp./kWh

31.98 Rp./kWh9.6443.61

Canton median 30.42 Rp./kWhSwiss median 27.7 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.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026

Housing

BFS

Vacancy rate

1.53 %

Avg. rooms

4.4

Dwellings

457

Built before 194626.7%

Built since 200116.2%

1.53 %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 56 min · Car 40 min

AgglomerationPT 46 min · Car 34 min

Remoteness 84/104 in canton

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

Municipality

Wikidata · CC0

Websiteerschwil.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities996 #76 SO · #1458 CH Families & children20.7% #30 SO · #913 CH Age structure25.2% #24 SO · #377 CH Women share47.9% #91 SO · #1884 CH Foreign residents17.8% #41 SO · #1062 CH Population density134/km² #83 SO · #1290 CH Tax burden17'250 #88 SO · #1947 CH Taxes128% #89 SO Warmest municipalities9.3 °C #66 SO · #1154 CH Sunniest municipalities40.8% #32 SO · #1493 CH Rainiest municipalities1'090 mm #63 SO · #1160 CH Voter turnout52.2% #54 SO · #1440 CH SVP strongholds33.6% #42 SO · #1056 CH SP strongholds7.2% #87 SO · #1767 CH Centre strongholds36.1% #6 SO · #165 CH FDP strongholds13.7% #72 SO · #958 CH GLP strongholds2.3% #100 SO · #1712 CH Green strongholds3.8% #94 SO · #1759 CH Largest by area7.4 km² #38 SO · #1206 CH Highest municipalities497 m #41 SO · #1225 CH Remotest municipalities56 min #84 SO · #1454 CH Best-connected municipalities56 min #23 SO · #648 CH Highest peaks905 m #33 SO · #823 CH Highest-lying municipalities626 m #29 SO · #937 CH Greatest vertical range470 m #32 SO · #723 CH Steepest municipalities20.6° #4 SO · #380 CH Solar potential7 GWh #87 SO · #1780 CH Cheapest electricity31.98 Rp./kWh #77 SO · #1883 CH Most expensive electricity31.98 Rp./kWh #36 SO · #209 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Erschwil4228 Meltingen4233

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Erschwil?: Erschwil has 2 postal codes: 4228, 4233.
What is the tax rate in Erschwil?: The municipal tax multiplier of Erschwil is 128% (2026); canton SO levies 104%.
How much tax do you pay in Erschwil?: A single person without children pays about 17'250 CHF income tax in Erschwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 88 of 104 in canton SO. Source: ESTV (2026).
How many residents does Erschwil have?: Erschwil has 996 residents (2025).
How many foreign residents live in Erschwil?: Erschwil has 177 foreign residents, a share of 17.77% (2025).

Map

OpenStreetMap

Compare

Erschwil compared with