Demographics
BFS · 2025Women
2'702 49.5%
Men
2'756 50.5%
Children & youth (0–19)
1'136 20.8%
Swiss citizens
4'145 75.9%
Foreign residents
1'313 24.1%
Population density
73 pop./km²
0–19 · 1'136 · 20.8%20–64 · 3'236 · 59.3%65+ · 1'086 · 19.9%
Foreign residents 24.1%0%64.0%
Population change 2025: +58 (+1.1%) · 53 births · 44 deaths · net migration +67
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 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'Federal● Rejected · 27.5% YesDistrict Wahlkreis Sarganserland: 21.8% Yes
18.8% YesNo 81.2%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Wahlkreis Sarganserland: 37.3% Yes
45.8% YesNo 54.2%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Wahlkreis Sarganserland: 60.3% Yes
60.2% YesNo 39.8%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Wahlkreis Sarganserland: 61.4% Yes
72.1% YesNo 27.9%
14.06.2026Gesetz über Beiträge für familien- und schulergänzende KinderbetreuungCantonal SG● Accepted · 57.8% YesDistrict Wahlkreis Sarganserland: 50.0% Yes
42.3% YesNo 57.7%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Wahlkreis Sarganserland: 40.5% Yes
36.9% YesNo 63.1%
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 Sarganserland: 19.8% Yes
15.4% YesNo 84.6%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Wahlkreis Sarganserland: 45.4% Yes
53.1% YesNo 46.9%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Wahlkreis Sarganserland: 43.6% Yes
51.8% YesNo 48.2%
08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict Wahlkreis Sarganserland: 71.5% Yes
68.5% YesNo 31.5%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP53.3% · strongest party
SVP53.3%
Mitte18.9%
FDP10.2%
SP6.6%
GRÜNE3.7%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier125%
Cantonal tax multiplier105%
125%SG range 61%155%
Tax rank 62 of 75 in canton St. GallenTax burden
Single, 100'000 CHF gross income
14'421 CHF(14.4%)
Rank 60 of 75 in the canton · 915 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
100'000 CHF:14'421 CHF(~14.4%)
FlumsCanton range St. GallenSwitzerland median
Show data table
| Gross income | Flums | St. Gallen | Switzerland median |
|---|---|---|---|
| 40'000 | 6.5% | 4.8–7.3% | 5.4% |
| 50'000 | 8.3% | 6.1–9.3% | 7.8% |
| 60'000 | 9.9% | 7.4–11.2% | 10.5% |
| 70'000 | 11.2% | 8.3–12.5% | 11.9% |
| 80'000 | 12.3% | 9.2–13.8% | 13.1% |
| 90'000 | 13.3% | 10–14.9% | 14.1% |
| 100'000 | 14.4% | 10.9–16.1% | 15.3% |
| 110'000 | 15.4% | 11.7–17.1% | 16.3% |
| 120'000 | 16.2% | 12.3–18% | 17.2% |
| 130'000 | 16.9% | 12.9–18.7% | 18.1% |
| 140'000 | 17.6% | 13.6–19.5% | 19% |
| 150'000 | 18.2% | 14.1–20.2% | 19.7% |
| 175'000 | 19.7% | 15.4–21.8% | 21.6% |
| 200'000 | 21% | 16.5–23.1% | 23.2% |
| 225'000 | 22.1% | 17.5–24.2% | 24.6% |
| 250'000 | 23% | 18.4–25.2% | 25.8% |
| 275'000 | 23.8% | 19.1–26.1% | 26.8% |
| 300'000 | 24.5% | 19.7–26.7% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–202010.5 °C
Territorial mean (incl. peaks)5.5 °C
Precipitation 1991–20201'366 mm
10.5 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
2'518 m
Mean elevation
1'408 m
Relief
2'086 m
Mean slope
21.4°
Flat share
9.6%
South-facing
11.0%
Above 2000 m
18.5%
Relief 2'086 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
51.7 GWh/yr
Roofs + façades
71.9 GWh/yr
≈ households powered
11'500
Per inhabitant
9'471 kWh/yr
52 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 · 2027Tariff range H4
29.11–35.55 Rp./kWh
30.98 Rp./kWh10.5645.88
Canton median 30.11 Rp./kWhSwiss median 26.53 Rp./kWh
Network operators St. Gallisch-Appenzellische Kraftwerke AG · Martin Zeller AG, Elektrizitätswerk · Murg Flums Energie
ElCom tariff comparison ↗This municipality is served by 3 network operators with different tariffs; the range spans the cheapest and the most expensive.
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
Health-insurance premiums
BAG · 2024Premium 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 · AREVacancy rate
0.97 %
Second homes
44.4 %
Avg. rooms
3.5
Dwellings
4'217
Built before 194625.1%
Built since 200119.7%
Second Homes Act: no new second-home permits (official building restriction in force).
0.97 %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 · 2024Jobs
2'539
Workplaces
426
Services share
53.4 %
Jobs by sector: Primary 255 (10.0%) · Secondary 927 (36.5%) · Tertiary 1'357 (53.4%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
110
Organic share
2.7 %
Farmland
1'394 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Accessibility
ARE · NPVMNational Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Municipality
Wikidata · CC0Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities5'458 #34 SG · #387 CHGrowing municipalities1.1% #20 SG · #752 CHShrinking municipalities1.1% #56 SG · #1359 CHJobs per resident0.47 #34 SG · #613 CHFamilies & children20.8% #41 SG · #879 CHAge structure19.9% #33 SG · #1259 CHWomen share49.5% #32 SG · #1275 CHForeign residents24.1% #31 SG · #594 CHPopulation density73/km² #68 SG · #1629 CHTax burden14'421 #60 SG · #915 CHTaxes125% #62 SGWarmest municipalities10.5 °C #4 SG · #219 CHSunniest municipalities47.4% #5 SG · #381 CHRainiest municipalities1'366 mm #28 SG · #404 CHVoter turnout51.3% #68 SG · #1666 CHAgainst Switzerland31.4% #5 SG · #44 CHAligned with Switzerland68.6% #71 SG · #1413 CHSVP strongholds53.3% #2 SG · #154 CHSP strongholds6.6% #60 SG · #1822 CHCentre strongholds18.9% #50 SG · #592 CHFDP strongholds10.2% #72 SG · #1373 CHGLP strongholds3.6% #62 SG · #1475 CHGreen strongholds3.7% #72 SG · #1781 CHLargest by area75.2 km² #6 SG · #103 CHHighest municipalities1'124 m #3 SG · #192 CHSecond homes44.4% #3 SG · #188 CHOrganic farming2.7% #65 SG · #1581 CHBest-connected municipalities88 min #19 SG · #1523 CHRemotest municipalities88 min #54 SG · #586 CHHighest peaks2'518 m #5 SG · #235 CHHighest-lying municipalities1'408 m #4 SG · #231 CHGreatest vertical range2'086 m #6 SG · #177 CHSteepest municipalities21.4° #8 SG · #364 CHSolar potential52 GWh #30 SG · #304 CHSolar potential per capita9'471 kWh #26 SG · #1160 CHCheapest electricity30.98 Rp./kWh #43 SG · #1892 CHMost expensive electricity30.98 Rp./kWh #32 SG · #215 CH
Postal codes (9)
swisstopoLocalities
swisstopo · 9Nearby municipalities
swisstopo- What is the postal code of Flums?
- Flums has 9 postal codes: 8888, 8890, 8892, 8893, 8894, 8895, 8896, 8897, 8898.
- What is the tax rate in Flums?
- The municipal tax multiplier of Flums is 125% (2026); canton SG levies 105%.
- How much tax do you pay in Flums?
- A single person without children pays about 14'421 CHF income tax in Flums on 100'000 CHF gross income (federal, cantonal, municipal), rank 60 of 75 in canton SG. Source: ESTV (2026).
- How many residents does Flums have?
- Flums has 5'458 residents (2025).
- How many foreign residents live in Flums?
- Flums has 1'313 foreign residents, a share of 24.06% (2025).
Map
OpenStreetMapFlums compared with
- Flums vs. St. Gallen
- Flums vs. Rapperswil-Jona
- Flums vs. Wil
- Flums vs. Gossau
- Flums vs. Uzwil
- Flums vs. Buchs
- Flums vs. Altstätten
- Flums vs. Flawil
- Flums vs. Widnau
- Flums vs. Eschenbach
- Flums vs. St. Gallen
- Flums vs. Rapperswil-Jona
- Flums vs. Wil
- Flums vs. Gossau
- Flums vs. Uzwil
- Flums vs. Buchs
- Flums vs. Altstätten
- Flums vs. Flawil
- Flums vs. Widnau
- Flums vs. Eschenbach
- Flums vs. Baden
- Flums vs. Schwende-Rüte
- Flums vs. Herisau
- Flums vs. Bern
- Flums vs. Allschwil
- Flums vs. Basel
- Flums vs. Fribourg
- Flums vs. Geneva
- Flums vs. Glarus Nord
- Flums vs. Chur
- Flums vs. Delémont
- Flums vs. Lucerne
- Flums vs. Neuchâtel
- Flums vs. Stans
- Flums vs. Sarnen
- Flums vs. Schaffhausen
- Flums vs. Olten
- Flums vs. Freienbach
- Flums vs. Frauenfeld
- Flums vs. Lugano
- Flums vs. Altdorf
- Flums vs. Lausanne
- Flums vs. Sion
- Flums vs. Zug
- Flums vs. Zurich