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Demographics

BFS · 2025
Women
2'632 48.7%
Men
2'773 51.3%
Children & youth (0–19)
1'145 21.2%
Swiss citizens
3'197 59.2%
Foreign residents
2'208 40.9%
Population density
178 pop./km²
0–19 · 1'145 · 21.2%20–64 · 3'318 · 61.4%65+ · 942 · 17.4%
Foreign residents 40.9%0%64.0%
Population change 2025: −6 (−0.1%) · 40 births · 38 deaths · net migration −2
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Wahlkreis Werdenberg: 37.1% Yes
41.0% YesNo 59.0%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Wahlkreis Werdenberg: 58.8% Yes
58.2% YesNo 41.9%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Wahlkreis Werdenberg: 57.4% Yes
59.0% YesNo 41.0%
14.06.2026Gesetz über Beiträge für familien- und schulergänzende KinderbetreuungCantonal SG● Accepted · 57.8% YesDistrict Wahlkreis Werdenberg: 52.9% Yes
52.2% YesNo 47.8%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Wahlkreis Werdenberg: 40.8% Yes
39.8% YesNo 60.2%
08.03.2026Popular Initiative ‘For a fair energy and climate policy: Investing for prosperity, jobs and the environment (Climate Fund Initiative)’Federal● Rejected · 29.3% YesDistrict Wahlkreis Werdenberg: 21.3% Yes
19.4% YesNo 80.6%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Wahlkreis Werdenberg: 46.2% Yes
56.5% YesNo 43.6%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Wahlkreis Werdenberg: 42.8% Yes
48.3% YesNo 51.7%
08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict Wahlkreis Werdenberg: 72.1% Yes
68.8% YesNo 31.2%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
SVP39.2% · strongest party
SVP39.2%
FDP17.2%
SP12.8%
Mitte11.8%
GRÜNE6.3%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier118%
Cantonal tax multiplier105%
118%SG range 61%155%
Tax rank 47 of 75 in canton St. Gallen
Tax burden
Single, 100'000 CHF gross income
14'033 CHF(14%)
Rank 47 of 75 in the canton · 844 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:14'033 CHF(~14%)
SevelenCanton range St. GallenSwitzerland median
Show data table
Gross incomeSevelenSt. GallenSwitzerland median
40'0006.3%4.8–7.3%5.4%
50'0008.1%6.1–9.3%7.8%
60'0009.7%7.4–11.2%10.5%
70'00010.9%8.3–12.5%11.9%
80'00012%9.2–13.8%13.1%
90'00013%10–14.9%14.1%
100'00014%10.9–16.1%15.3%
110'00015%11.7–17.1%16.3%
120'00015.7%12.3–18%17.2%
130'00016.4%12.9–18.7%18.1%
140'00017.2%13.6–19.5%19%
150'00017.8%14.1–20.2%19.7%
175'00019.3%15.4–21.8%21.6%
200'00020.5%16.5–23.1%23.2%
225'00021.6%17.5–24.2%24.6%
250'00022.5%18.4–25.2%25.8%
275'00023.3%19.1–26.1%26.8%
300'00024%19.7–26.7%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–202010.6 °C
Territorial mean (incl. peaks)7.9 °C
Precipitation 1991–20201'126 mm
10.6 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
2'379 m
Mean elevation
1'017 m
Relief
1'931 m
Mean slope
18.7°
Flat share
27.4%
South-facing
4.7%
Above 2000 m
5.2%
Relief 1'931 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
47 GWh/yr
Roofs + façades
60 GWh/yr
≈ households powered
10'400
Per inhabitant
8'699 kWh/yr
47 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 24.09.2026

Electricity

ElCom · 2027
Tariff H4
36.49 Rp./kWh
Energy
12.5 Rp./kWh
Grid usage
18.68 Rp./kWh
Levies + grid surcharge
3.17 Rp./kWh
36.49 Rp./kWh10.5645.88
Canton median 30.11 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Elektrizitäts- und Wasserwerk (EW Sevelen)
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.

2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026
Premium regionRegion 2
Standard model, deductible 300538 CHF/mo
Ø premium in canton St. Gallen377 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo

Premiums are set per canton and premium region. This area lies in premium region 2 of canton St. Gallen. Shown is the average adult premium paid across the whole canton St. Gallen (2024, BAG) — a region-specific average is not available in the cantonal data.

2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026

Housing

BFS · ARE
Vacancy rate
1.1 %
Second homes
13.7 %
Avg. rooms
3.8
Dwellings
2'727
Built before 194617.9%
Built since 200128.4%
1.1 %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 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Economy

BFS · 2024
Jobs
2'062
Workplaces
310
Services share
44.2 %
Jobs by sector: Primary 112 (5.4%) · Secondary 1'039 (50.4%) · Tertiary 911 (44.2%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
32
Organic share
12.5 %
Farmland
810 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 107 min · Car 78 min
AgglomerationPT 20 min · Car 11 min
Remoteness 30/75 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number3275
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities5'405 #35 SG · #391 CHGrowing municipalities-0.1% #61 SG · #1489 CHShrinking municipalities-0.1% #15 SG · #621 CHJobs per resident0.38 #48 SG · #925 CHFamilies & children21.2% #36 SG · #747 CHAge structure17.4% #64 SG · #1721 CHWomen share48.7% #61 SG · #1646 CHForeign residents40.9% #4 SG · #72 CHPopulation density178/km² #51 SG · #1095 CHTax burden14'033 #48 SG · #845 CHTaxes118% #47 SGWarmest municipalities10.6 °C #2 SG · #186 CHSunniest municipalities46.2% #8 SG · #539 CHRainiest municipalities1'126 mm #57 SG · #951 CHVoter turnout51.7% #66 SG · #1624 CHAgainst Switzerland24.5% #23 SG · #259 CHAligned with Switzerland75.5% #52 SG · #1196 CHSVP strongholds39.2% #33 SG · #705 CHSP strongholds12.8% #14 SG · #1189 CHCentre strongholds11.8% #75 SG · #1047 CHFDP strongholds17.2% #11 SG · #640 CHGLP strongholds3.7% #61 SG · #1460 CHGreen strongholds6.3% #44 SG · #1262 CHLargest by area30.3 km² #26 SG · #310 CHHighest municipalities681 m #21 SG · #635 CHSecond homes13.7% #16 SG · #699 CHOrganic farming12.5% #28 SG · #1041 CHBest-connected municipalities107 min #47 SG · #1814 CHRemotest municipalities107 min #30 SG · #294 CHHighest peaks2'379 m #8 SG · #264 CHHighest-lying municipalities1'017 m #13 SG · #406 CHGreatest vertical range1'931 m #8 SG · #226 CHSteepest municipalities18.7° #14 SG · #432 CHSolar potential47 GWh #37 SG · #367 CHSolar potential per capita8'699 kWh #38 SG · #1320 CHCheapest electricity36.49 Rp./kWh #71 SG · #2095 CHMost expensive electricity36.49 Rp./kWh #4 SG · #12 CH

Localities

swisstopo · 3
What is the postal code of Sevelen?
Sevelen has 3 postal codes: 9470, 9475, 9476.
What is the tax rate in Sevelen?
The municipal tax multiplier of Sevelen is 118% (2026); canton SG levies 105%.
How much tax do you pay in Sevelen?
A single person without children pays about 14'033 CHF income tax in Sevelen on 100'000 CHF gross income (federal, cantonal, municipal), rank 47 of 75 in canton SG. Source: ESTV (2026).
How many residents does Sevelen have?
Sevelen has 5'405 residents (2025).
How many foreign residents live in Sevelen?
Sevelen has 2'208 foreign residents, a share of 40.85% (2025).

Map

OpenStreetMap