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Switzerland · Canton SG

Jonschwil

9242–9604
SG CANTON9242924395329536+1 PLZ
Residents
3'979
Area
11 km²
Population density
362 pop./km²
Elevation
600 m a.s.l.
Terrain up to
806 m a.s.l.
Tax multiplier
129%
Postal codes
5

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025
Women
1'967 49.4%
Men
2'012 50.6%
Children & youth (0–19)
917 23.0%
Swiss citizens
3'407 85.6%
Foreign residents
572 14.4%
Population density
362 pop./km²
0–19 · 917 · 23.0%20–64 · 2'275 · 57.2%65+ · 787 · 19.8%
Foreign residents 14.4%0%64.0%
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023
SVP38.4% · strongest party
SVP38.4%
Mitte22.7%
FDP14.9%
SP8.0%
GRÜNE6.4%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026
Municipal tax multiplier129%
Cantonal tax multiplier105%
129%SG range 61%155%
Tax rank 69 of 75 in canton St. Gallen
Tax burden
Single, 100'000 CHF gross income
14'642 CHF(14.6%)
Rank 64 of 75 in the canton · 953 of 2110 in Switzerland
Median canton 13'868 CHF · median Switzerland 15'290 CHF
Cheapest Balgach 10'881 CHF · most expensive Lütisburg 16'080 CHF
Income tax as % of gross income
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:14'642 CHF(~14.6%)
JonschwilCanton range St. GallenSwitzerland median
Show data table
Gross incomeJonschwilSt. GallenSwitzerland median
40'0006.6%4.87.3%5.4%
50'0008.4%6.19.3%7.8%
60'00010.1%7.411.2%10.5%
70'00011.4%8.312.5%11.9%
80'00012.5%9.213.8%13.1%
90'00013.5%1014.9%14.1%
100'00014.6%10.916.1%15.3%
110'00015.6%11.717.1%16.3%
120'00016.4%12.318%17.2%
130'00017.1%12.918.7%18.1%
140'00017.9%13.619.5%19%
150'00018.5%14.120.2%19.7%
175'00020%15.421.8%21.6%
200'00021.3%16.523.1%23.2%
225'00022.4%17.524.2%24.6%
250'00023.3%18.425.2%25.8%
275'00024.1%19.126.1%26.8%
300'00024.8%19.726.7%27.4%
2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–20209.2 °C
Precipitation 1991–20201'032 mm
9.2 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
806 m
Mean elevation
612 m
Relief
294 m
Mean slope
7.3°
Flat share
50.6%
South-facing
8.8%
Above 2000 m
0.0%
Relief 294 m0 m3'847 m

Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.

swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026
Roof potential
49.3 GWh/yr
Roofs + façades
62.7 GWh/yr
≈ households powered
10'900
49 GWh/yr01'133 GWh/yr
BFE solar factsheet

Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).

Swiss Federal Office of Energy (SFOE), retrieved 31.08.2026

Electricity

ElCom · 2026
Tariff range H4
27.26–28.74 Rp./kWh
28 Rp./kWh9.6443.61
Canton median 29.8 Rp./kWhSwiss median 27.7 Rp./kWh
Network operators Dorfkorporation Schwarzenbach SG, Elektrizität Wasser Gas TV · St. Gallisch-Appenzellische Kraftwerke AG

This municipality is served by 2 network operators with different tariffs; the range spans the cheapest and the most expensive.

ElCom tariff comparison
How this is measured

Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026
Vacancy rate
0.34 %
Avg. rooms
4.2
Dwellings
1'783
Built before 194614.1%
Built since 200129.6%
0.34 %0 %12 %

Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.

Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM
Major centrePT 86 min · Car 57 min
AgglomerationPT 13 min · Car 14 min
Remoteness 61/75 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0
Wikidata · continuously updated, retrieved 31.08.2026

Localities

swisstopo · 5
What is the postal code of Jonschwil?
Jonschwil has 5 postal codes: 9242, 9243, 9532, 9536, 9604.
What is the tax rate in Jonschwil?
The municipal tax multiplier of Jonschwil is 129% (2026); canton SG levies 105%.
How much tax do you pay in Jonschwil?
A single person without children pays about 14'642 CHF income tax in Jonschwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 64 of 75 in canton SG. Source: ESTV (2026).
How many residents does Jonschwil have?
Jonschwil has 3'979 residents (2025).
How many foreign residents live in Jonschwil?
Jonschwil has 572 foreign residents, a share of 14.38% (2025).

Map

OpenStreetMap