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Demographics

BFS · 2025
Women
1'077 50.2%
Men
1'070 49.8%
Children & youth (0–19)
440 20.5%
Swiss citizens
1'693 78.9%
Foreign residents
454 21.2%
Population density
490 pop./km²
0–19 · 440 · 20.5%20–64 · 1'294 · 60.3%65+ · 413 · 19.2%
Foreign residents 21.2%0%64.0%
Population change 2025: −22 (−1%) · 21 births · 13 deaths · net migration −30
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 Rheintal: 40.2% Yes
37.1% YesNo 62.9%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Wahlkreis Rheintal: 62.4% Yes
60.6% YesNo 39.5%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Wahlkreis Rheintal: 61.5% Yes
56.1% YesNo 43.9%
14.06.2026Gesetz über Beiträge für familien- und schulergänzende KinderbetreuungCantonal SG● Accepted · 57.8% YesDistrict Wahlkreis Rheintal: 55.6% Yes
59.2% YesNo 40.8%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Wahlkreis Rheintal: 38.4% Yes
32.9% YesNo 67.1%
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 Rheintal: 17.3% Yes
19.5% YesNo 80.5%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Wahlkreis Rheintal: 47.9% Yes
43.3% YesNo 56.7%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Wahlkreis Rheintal: 44.5% Yes
42.4% YesNo 57.6%
08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict Wahlkreis Rheintal: 71.6% Yes
70.9% YesNo 29.1%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
SVP37.3% · strongest party
SVP37.3%
Mitte20.0%
FDP12.6%
GRÜNE11.2%
SP10.1%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier102%
Cantonal tax multiplier105%
102%SG range 61%155%
Tax rank 19 of 75 in canton St. Gallen
Tax burden
Single, 100'000 CHF gross income
13'149 CHF(13.1%)
Rank 19 of 75 in the canton · 570 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:13'149 CHF(~13.1%)
MarbachCanton range St. GallenSwitzerland median
Show data table
Gross incomeMarbachSt. GallenSwitzerland median
40'0005.9%4.8–7.3%5.4%
50'0007.5%6.1–9.3%7.8%
60'0009%7.4–11.2%10.5%
70'00010.2%8.3–12.5%11.9%
80'00011.2%9.2–13.8%13.1%
90'00012.1%10–14.9%14.1%
100'00013.1%10.9–16.1%15.3%
110'00014%11.7–17.1%16.3%
120'00014.8%12.3–18%17.2%
130'00015.5%12.9–18.7%18.1%
140'00016.2%13.6–19.5%19%
150'00016.8%14.1–20.2%19.7%
175'00018.2%15.4–21.8%21.6%
200'00019.4%16.5–23.1%23.2%
225'00020.4%17.5–24.2%24.6%
250'00021.4%18.4–25.2%25.8%
275'00022.1%19.1–26.1%26.8%
300'00022.8%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 1991–20208.4 °C
Precipitation 1991–20201'469 mm
8.4 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
599 m
Mean elevation
429 m
Relief
193 m
Mean slope
3.2°
Flat share
80.6%
South-facing
16.0%
Above 2000 m
0.0%
Relief 193 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
22.4 GWh/yr
Roofs + façades
29.6 GWh/yr
≈ households powered
5'000
Per inhabitant
10'419 kWh/yr
22 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
32.45 Rp./kWh
Energy
12 Rp./kWh
Grid usage
14.38 Rp./kWh
Levies + grid surcharge
4.07 Rp./kWh
32.45 Rp./kWh10.5645.88
Canton median 30.11 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Politische Gemeinde Marbach SG, Elektrizitätsversorgung
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 3
Standard model, deductible 300516 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 3 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
0.1 %
Second homes
9.3 %
Avg. rooms
4.3
Dwellings
1'017
Built before 194625.8%
Built since 200136.1%
0.1 %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
719
Workplaces
152
Services share
60.6 %
Jobs by sector: Primary 102 (14.2%) · Secondary 181 (25.2%) · Tertiary 436 (60.6%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
17
Organic share
5.9 %
Farmland
348 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 142 min · Car 98 min
AgglomerationPT 17 min · Car 11 min
Remoteness 5/75 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number3253
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities2'147 #63 SG · #930 CHGrowing municipalities-1% #70 SG · #1813 CHShrinking municipalities-1% #6 SG · #297 CHJobs per resident0.33 #61 SG · #1136 CHFamilies & children20.5% #46 SG · #978 CHAge structure19.2% #42 SG · #1394 CHWomen share50.2% #17 SG · #804 CHForeign residents21.2% #36 SG · #770 CHPopulation density490/km² #29 SG · #517 CHTax burden13'149 #19 SG · #570 CHTaxes102% #19 SGWarmest municipalities8.4 °C #55 SG · #1612 CHSunniest municipalities41.5% #40 SG · #1227 CHRainiest municipalities1'469 mm #22 SG · #277 CHVoter turnout53.6% #54 SG · #1408 CHAgainst Switzerland15.7% #49 SG · #850 CHAligned with Switzerland84.3% #29 SG · #592 CHSVP strongholds37.3% #42 SG · #817 CHSP strongholds10.1% #32 SG · #1513 CHCentre strongholds20% #40 SG · #526 CHFDP strongholds12.6% #48 SG · #1078 CHGLP strongholds4.8% #44 SG · #1247 CHGreen strongholds11.2% #5 SG · #427 CHLargest by area4.4 km² #68 SG · #1644 CHHighest municipalities427 m #58 SG · #1729 CHSecond homes9.3% #52 SG · #1355 CHOrganic farming5.9% #53 SG · #1486 CHBest-connected municipalities142 min #72 SG · #2031 CHRemotest municipalities142 min #5 SG · #83 CHHighest peaks599 m #64 SG · #1551 CHHighest-lying municipalities429 m #69 SG · #1875 CHGreatest vertical range193 m #60 SG · #1403 CHSteepest municipalities3.2° #72 SG · #1879 CHSolar potential22 GWh #63 SG · #931 CHSolar potential per capita10'419 kWh #19 SG · #998 CHCheapest electricity32.45 Rp./kWh #53 SG · #2015 CHMost expensive electricity32.45 Rp./kWh #22 SG · #92 CH

Localities

swisstopo · 1
What is the postal code of Marbach?
The postal code of Marbach is 9437.
What is the tax rate in Marbach?
The municipal tax multiplier of Marbach is 102% (2026); canton SG levies 105%.
How much tax do you pay in Marbach?
A single person without children pays about 13'149 CHF income tax in Marbach on 100'000 CHF gross income (federal, cantonal, municipal), rank 19 of 75 in canton SG. Source: ESTV (2026).
How many residents does Marbach have?
Marbach has 2'147 residents (2025).
How many foreign residents live in Marbach?
Marbach has 454 foreign residents, a share of 21.15% (2025).

Map

OpenStreetMap