Living in Onex
With a municipal tax multiplier of 50.5%, this municipality ranks 43 among the least taxed of the 45 municipalities in canton GE.
- Population
- 18,915
- Municipal multiplier
- 50.5 %
- Tax rank in canton
- No. 43 of 45
STATPOP 2024
ESTV 2025
Geneva
That is 8.5 points above the median municipality in canton GE. With 18,915 inhabitants, it is the 6 most populous of the canton’s 45 municipalities. Under-20s make up 21.4% of the population, against 19.9% for Switzerland as a whole: the municipality skews young.
Key figures
Official figures, each with its reference year.
18,915
STATPOP 2024
7,791
CHF 50,375
Age structure
Permanent resident population, by age group.
- 0–19 years
- 4,04721.4 %
- 20–64 years
- 11,22759.4 %
- 65 and over
- 3,64119.2 %
Municipal taxation
As a % of the simple cantonal tax (FTA 2025). This is not a tax rate: it applies to the cantonal scale.
50.5 %
147.5 %
Position within the canton
Scale of communal tax multipliers, from the canton's lowest-taxed municipality to its highest.
Cantonal median: 42 %
Information published by the municipality
Extracted from the official website and verified. Every value links back to its source page.
Profile being documented
A municipality's practical information is collected from its official website, then checked item by item before publication. Onex's has not been yet: we would rather show a shorter page than an unverified figure.
Keep exploring
Pages that carry on from this one.
Neighbouring municipalities
Straight-line distance between municipal centres.