What is the postal code of Unterramsern?

The postal code of Unterramsern is 4588.

What is the tax rate in Unterramsern?

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

How many residents does Unterramsern have?

Unterramsern has 220 residents (2023).

Which canton is Unterramsern in?

Unterramsern is located in canton SO.

Switzerland · Canton SO

Unterramsern

4588

SO CANTON4588

Residents

220

Area

1.6 km²

Tax multiplier

110%

Postal codes

Demographics

BFS · 2023

Women

115 52.3%

Men

105 47.7%

Children & youth (0–19)

43 19.5%

Swiss citizens

214 95.1%

Foreign residents

11 4.9%

0–19 · 43 · 19.5%20–64 · 144 · 65.5%65+ · 33 · 15.0%

Foreign residents 4.9%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 66.3%64.2% yes

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 66.8%50.4% yes

08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 57.8%55.1% yes

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 57.2%14.2% yes

Source: BFS · retrieved 20.07.2026

Politics

National Council election 2023

SVP32.7% · strongest party

SVP32.7%

FDP30.4%

Mitte18.6%

GLP7.6%

SP7.2%

Source: BFS · retrieved 20.07.2026

Taxes 2026

ESTV

Municipal tax multiplier110%

Cantonal tax multiplier104%

110%CH range 25%525%

Tax rank 20 of 104 in canton Solothurn

Source: ESTV · retrieved 20.07.2026

Climate

Grenchen · 8.4 km

Annual mean temperature 202510.5 °C

Precipitation 20251'101 mm

10.5 °CCH range -5.5°14°

Source: MeteoSwiss · retrieved 24.07.2026

Municipality

Wikidata · CC0

Websiteunterramsern.ch ↗

Source: Wikidata · retrieved 20.07.2026

Postal codes (1)

swisstopo

4588

Unterramsern

Nearby municipalities

swisstopo

Lüterkofen-Ichertswil

SO · 5.3 km

Frequently asked questions

What is the postal code of Unterramsern?: The postal code of Unterramsern is 4588.
What is the tax rate in Unterramsern?: The municipal tax multiplier of Unterramsern is 110% (2026); canton SO levies 104%.
How many residents does Unterramsern have?: Unterramsern has 220 residents (2023).
Which canton is Unterramsern in?: Unterramsern is located in canton SO.

Map

OpenStreetMap