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Municipality · canton of Genève

Thônex

Municipality number 6640 in the federal register.

residents, 2025
16’940
km² of land
3.82
residents per km²
4’435
Canton
Genève
District
None (the canton has no districts here)
Residents 2025
16’940+0.8% on 2024
Foreign residents
37.8%6’405 people
Private households 2025
6’732
Land area
3.82 km²without lakes
Building insurance
Private insurers cover buildings here.The natural-hazard part is the same at every insurer: CHF 0.31 per CHF 1’000 (FINMA, since 2023). The fire part is each insurer’s own price; none is published.FINMA-Verfügung vom 25. Januar 2022, BBl 2022 264, read 12.10.2026
Mortgage lenders
9 of 10lenders on MEconomy with no stated limit that excludes this canton; Glarner Kantonalbank states it does not lend in Genève
Postcodes
1226

What a household pays here

Health insurance and electricity for your household in Thônex, against where you live today.

Sources: population and foreign residents on 31.12.2025 and private households 2025, Federal Statistical Office (STATPOP), on today’s municipal boundaries; municipalities, districts and land area without lakes, swisstopo swissTLMRegio; postcodes, swisstopo’s official locality register. Updated each September.