Demographics
BFS · 2025Women
7'007 49.0%
Men
7'280 51.0%
Children & youth (0–19)
2'990 20.9%
Swiss citizens
7'808 54.7%
Foreign residents
6'479 45.4%
Population density
896 pop./km²
0–19 · 2'990 · 20.9%20–64 · 8'846 · 61.9%65+ · 2'451 · 17.2%
Foreign residents 45.4%0%64.0%
Population change 2025: +249 (+1.8%) · 134 births · 103 deaths · net migration +208
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
14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% YesDistrict Wahlkreis Werdenberg: 58.8% Yes
55.2% YesNo 44.8%
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% YesDistrict Wahlkreis Werdenberg: 57.4% Yes
51.6% YesNo 48.4%
14.06.2026Gesetz über Beiträge für familien- und schulergänzende KinderbetreuungCantonal SG● Accepted · 57.8% YesDistrict Wahlkreis Werdenberg: 52.9% Yes
56.3% YesNo 43.7%
08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% YesDistrict Wahlkreis Werdenberg: 40.8% Yes
45.4% YesNo 54.6%
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% YesDistrict Wahlkreis Werdenberg: 21.3% Yes
24.9% YesNo 75.1%
08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% YesDistrict Wahlkreis Werdenberg: 46.2% Yes
44.9% YesNo 55.1%
08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% YesDistrict Wahlkreis Werdenberg: 42.8% Yes
41.2% YesNo 58.8%
08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% YesDistrict Wahlkreis Werdenberg: 72.1% Yes
71.7% YesNo 28.3%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 21.09.2026
Politics
National Council election 2023SVP33.3% · strongest party
SVP33.3%
SP18.3%
FDP15.5%
Mitte12.0%
GRÜNE7.4%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier118%
Cantonal tax multiplier105%
118%SG range 61%155%
Tax rank 49 of 75 in canton St. GallenTax 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
100'000 CHF:14'033 CHF(~14%)
BuchsCanton range St. GallenSwitzerland median
Show data table
| Gross income | Buchs | St. Gallen | Switzerland median |
|---|---|---|---|
| 40'000 | 6.3% | 4.8–7.3% | 5.4% |
| 50'000 | 8.1% | 6.1–9.3% | 7.8% |
| 60'000 | 9.7% | 7.4–11.2% | 10.5% |
| 70'000 | 10.9% | 8.3–12.5% | 11.9% |
| 80'000 | 12% | 9.2–13.8% | 13.1% |
| 90'000 | 13% | 10–14.9% | 14.1% |
| 100'000 | 14% | 10.9–16.1% | 15.3% |
| 110'000 | 15% | 11.7–17.1% | 16.3% |
| 120'000 | 15.7% | 12.3–18% | 17.2% |
| 130'000 | 16.4% | 12.9–18.7% | 18.1% |
| 140'000 | 17.2% | 13.6–19.5% | 19% |
| 150'000 | 17.8% | 14.1–20.2% | 19.7% |
| 175'000 | 19.3% | 15.4–21.8% | 21.6% |
| 200'000 | 20.5% | 16.5–23.1% | 23.2% |
| 225'000 | 21.6% | 17.5–24.2% | 24.6% |
| 250'000 | 22.5% | 18.4–25.2% | 25.8% |
| 275'000 | 23.3% | 19.1–26.1% | 26.8% |
| 300'000 | 24% | 19.7–26.7% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–202010.7 °C
Precipitation 1991–20201'154 mm
10.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
2'218 m
Mean elevation
750 m
Relief
1'780 m
Mean slope
9.5°
Flat share
57.0%
South-facing
1.3%
Above 2000 m
1.5%
Relief 1'780 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
88.1 GWh/yr
Roofs + façades
116 GWh/yr
≈ households powered
19'600
Per inhabitant
6'166 kWh/yr
88 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 H4
29.5 Rp./kWh
Energy
11.42 Rp./kWh
Grid usage
13.25 Rp./kWh
Levies + grid surcharge
3.1 Rp./kWh
29.5 Rp./kWh10.5645.88
Canton median 30.11 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Elektrizitäts- und Wasserwerk der Stadt Buchs (EWB)
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
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
1.01 %
Second homes
11.7 %
Avg. rooms
3.6
Dwellings
6'838
Built before 194614.9%
Built since 200125.8%
1.01 %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
8'268
Workplaces
1'030
Services share
76.1 %
Jobs by sector: Primary 104 (1.3%) · Secondary 1'876 (22.7%) · Tertiary 6'288 (76.1%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
19
Organic share
10.5 %
Farmland
444 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 municipalities14'287 #6 SG · #101 CHGrowing municipalities1.8% #5 SG · #423 CHShrinking municipalities1.8% #71 SG · #1685 CHJobs per resident0.58 #15 SG · #369 CHFamilies & children20.9% #40 SG · #850 CHAge structure17.2% #68 SG · #1744 CHWomen share49% #52 SG · #1516 CHForeign residents45.4% #3 SG · #33 CHPopulation density896/km² #15 SG · #264 CHTax burden14'033 #47 SG · #844 CHTaxes118% #49 SGWarmest municipalities10.7 °C #1 SG · #157 CHSunniest municipalities45.5% #13 SG · #607 CHRainiest municipalities1'154 mm #50 SG · #828 CHVoter turnout49.9% #68 SG · #1709 CHAgainst Switzerland12% #68 SG · #1122 CHAligned with Switzerland88% #7 SG · #346 CHSVP strongholds33.3% #57 SG · #1086 CHSP strongholds18.3% #3 SG · #597 CHCentre strongholds12% #74 SG · #1035 CHFDP strongholds15.5% #25 SG · #781 CHGLP strongholds5.1% #35 SG · #1169 CHGreen strongholds7.4% #29 SG · #1001 CHLargest by area16 km² #36 SG · #602 CHHighest municipalities451 m #53 SG · #1527 CHSecond homes11.7% #31 SG · #934 CHOrganic farming10.5% #38 SG · #1190 CHBest-connected municipalities102 min #37 SG · #1730 CHRemotest municipalities102 min #39 SG · #374 CHHighest peaks2'218 m #12 SG · #298 CHHighest-lying municipalities750 m #25 SG · #675 CHGreatest vertical range1'780 m #11 SG · #262 CHSteepest municipalities9.5° #39 SG · #969 CHSolar potential88 GWh #11 SG · #118 CHSolar potential per capita6'166 kWh #65 SG · #1811 CHCheapest electricity29.5 Rp./kWh #24 SG · #1689 CHMost expensive electricity29.5 Rp./kWh #51 SG · #418 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Buchs?
- Buchs has 2 postal codes: 9469, 9470.
- What is the tax rate in Buchs?
- The municipal tax multiplier of Buchs is 118% (2026); canton SG levies 105%.
- How much tax do you pay in Buchs?
- A single person without children pays about 14'033 CHF income tax in Buchs on 100'000 CHF gross income (federal, cantonal, municipal), rank 47 of 75 in canton SG. Source: ESTV (2026).
- How many residents does Buchs have?
- Buchs has 14'287 residents (2025).
- How many foreign residents live in Buchs?
- Buchs has 6'479 foreign residents, a share of 45.35% (2025).
Map
OpenStreetMapBuchs compared with
- Buchs vs. St. Gallen
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