What is the postal code of Aeschi?

Aeschi has 2 postal codes: 3365, 4556.

What is the tax rate in Aeschi?

The municipal tax multiplier of Aeschi is 130% (2026); canton SO levies 104%.

How many residents does Aeschi have?

Aeschi has 1'329 residents (2023).

Which canton is Aeschi in?

Aeschi is located in canton SO.

Switzerland · Canton SO

Aeschi

3365–4556

SO CANTON3365 4556

Residents

1'329

Area

5.5 km²

Tax multiplier

130%

Postal codes

Demographics

BFS · 2023

Women

660 49.7%

Men

669 50.3%

Children & youth (0–19)

231 17.4%

Swiss citizens

1'212 91.3%

Foreign residents

116 8.7%

0–19 · 231 · 17.4%20–64 · 780 · 58.7%65+ · 318 · 23.9%

Foreign residents 8.7%0%61.6%

Source: BFS/OFS · retrieved 24.07.2026

Recent federal votes

BFS · sd-t-17-02

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 65.6%60.4% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 65.9%54.2% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 61.1%46.0% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 61.2%24.0% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

SVP27.9% · strongest party

SVP27.9%

Mitte19.6%

SP16.7%

FDP16.5%

GRÜNE8.3%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier130%

Cantonal tax multiplier104%

130%CH range 25%525%

Tax rank 98 of 104 in canton Solothurn

Source: ESTV · retrieved 20.07.2026

Climate

Koppigen · 7.6 km

Annual mean temperature 202510.2 °C

Precipitation 2025894 mm

10.2 °CCH range -5.5°14°

Source: MeteoSwiss · retrieved 24.07.2026

Municipality

Wikidata · CC0

Websiteaeschi-so.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (2)

swisstopo

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Aeschi?: Aeschi has 2 postal codes: 3365, 4556.
What is the tax rate in Aeschi?: The municipal tax multiplier of Aeschi is 130% (2026); canton SO levies 104%.
How many residents does Aeschi have?: Aeschi has 1'329 residents (2023).
Which canton is Aeschi in?: Aeschi is located in canton SO.

Map

OpenStreetMap