Demographics
BFS · 2023Women
1'401 50.0%
Men
1'399 50.0%
Children & youth (0–19)
593 21.2%
Swiss citizens
2'090 74.9%
Foreign residents
699 25.1%
0–19 · 593 · 21.2%20–64 · 1'637 · 58.5%65+ · 570 · 20.4%
Foreign residents 25.1%0%61.6%
Source: BFS/OFS · retrieved 24.07.2026
Recent federal votes
BFS · sd-t-17-0214.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)● Switzerland: accepted · turnout 57.9%63.1% yes
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»● Switzerland: rejected · turnout 58.7%55.4% yes
08.03.2026Bundesgesetz über die Individualbesteuerung● Switzerland: accepted · turnout 54.1%49.8% yes
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»● Switzerland: rejected · turnout 54.0%18.8% yes
Source: BFS · retrieved 20.07.2026
Politics
National Council election 2023SVP35.2% · strongest party
SVP35.2%
Mitte19.5%
FDP17.5%
SP13.1%
GRÜNE6.4%
Source: BFS · retrieved 20.07.2026
Taxes 2026
ESTVMunicipal tax multiplier118%
Cantonal tax multiplier104%
118%CH range 25%525%
Tax rank 41 of 104 in canton SolothurnSource: ESTV · retrieved 20.07.2026
Climate
Gösgen · 1.6 kmAnnual mean temperature 202510.9 °C
Precipitation 20251'008 mm
10.9 °CCH range -5.5°14°
Source: MeteoSwiss · retrieved 24.07.2026
Municipality
Wikidata · CC0Websitegretzenbach.ch ↗
Source: Wikidata · retrieved 20.07.2026
Postal codes (2)
swisstopoNearby municipalities
swisstopoFrequently asked questions
- What is the postal code of Gretzenbach?
- Gretzenbach has 2 postal codes: 4658, 5014.
- What is the tax rate in Gretzenbach?
- The municipal tax multiplier of Gretzenbach is 118% (2026); canton SO levies 104%.
- How many residents does Gretzenbach have?
- Gretzenbach has 2'800 residents (2023).
- Which canton is Gretzenbach in?
- Gretzenbach is located in canton SO.