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Demographics

BFS · 2025
Women
522 50.4%
Men
513 49.6%
Children & youth (0–19)
237 22.9%
Swiss citizens
920 88.9%
Foreign residents
115 11.1%
Population density
145 pop./km²
0–19 · 237 · 22.9%20–64 · 620 · 59.9%65+ · 178 · 17.2%
Foreign residents 11.1%0%64.0%
Population change 2025: +0 (+0%) · 11 births · 9 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 Rorschach: 32.8% Yes
35.6% YesNo 64.4%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Wahlkreis Rorschach: 59.9% Yes
62.5% YesNo 37.5%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Wahlkreis Rorschach: 52.3% Yes
52.8% YesNo 47.2%
14.06.2026Gesetz über Beiträge für familien- und schulergänzende KinderbetreuungCantonal SG● Accepted · 57.8% YesDistrict Wahlkreis Rorschach: 59.2% Yes
56.8% YesNo 43.2%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Wahlkreis Rorschach: 43.6% Yes
42.2% YesNo 57.8%
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 Rorschach: 20.5% Yes
19.1% YesNo 80.9%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Wahlkreis Rorschach: 44.4% Yes
38.3% YesNo 61.7%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Wahlkreis Rorschach: 38.5% Yes
38.4% YesNo 61.6%
08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict Wahlkreis Rorschach: 72.9% Yes
76.3% YesNo 23.7%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
SVP35.8% · strongest party
SVP35.8%
Mitte24.1%
FDP12.2%
SP10.8%
GLP8.2%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier119%
Cantonal tax multiplier105%
119%SG range 61%155%
Tax rank 51 of 75 in canton St. Gallen
Tax burden
Single, 100'000 CHF gross income
14'089 CHF(14.1%)
Rank 50 of 75 in the canton · 853 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:14'089 CHF(~14.1%)
UntereggenCanton range St. GallenSwitzerland median
Show data table
Gross incomeUntereggenSt. 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%
100'00014.1%10.9–16.1%15.3%
110'00015%11.7–17.1%16.3%
120'00015.8%12.3–18%17.2%
130'00016.5%12.9–18.7%18.1%
140'00017.2%13.6–19.5%19%
150'00017.9%14.1–20.2%19.7%
175'00019.3%15.4–21.8%21.6%
200'00020.6%16.5–23.1%23.2%
225'00021.6%17.5–24.2%24.6%
250'00022.6%18.4–25.2%25.8%
275'00023.4%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 1991–202010.1 °C
Precipitation 1991–20201'124 mm
10.1 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
875 m
Mean elevation
627 m
Relief
417 m
Mean slope
13.4°
Flat share
11.1%
South-facing
3.1%
Above 2000 m
0.0%
Relief 417 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
8.9 GWh/yr
Roofs + façades
11.7 GWh/yr
≈ households powered
2'000
Per inhabitant
8'570 kWh/yr
9 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
32.92 Rp./kWh
Energy
8.34 Rp./kWh
Grid usage
19.14 Rp./kWh
Levies + grid surcharge
3.3 Rp./kWh
32.92 Rp./kWh10.5645.88
Canton median 30.11 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Elektra Untereggen
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
8.6 %
Avg. rooms
4.8
Dwellings
453
Built before 194632.2%
Built since 200127.2%
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
286
Workplaces
101
Services share
50 %
Jobs by sector: Primary 61 (21.3%) · Secondary 82 (28.7%) · Tertiary 143 (50.0%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
21
Organic share
4.8 %
Farmland
377 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 115 min · Car 73 min
AgglomerationPT 29 min · Car 17 min
Remoteness 21/75 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number3219
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities1'035 #74 SG · #1438 CHGrowing municipalities0% #57 SG · #1416 CHShrinking municipalities0% #18 SG · #690 CHJobs per resident0.28 #67 SG · #1387 CHFamilies & children22.9% #16 SG · #333 CHAge structure17.2% #66 SG · #1742 CHWomen share50.4% #9 SG · #687 CHForeign residents11.1% #65 SG · #1619 CHPopulation density145/km² #57 SG · #1244 CHTax burden14'089 #51 SG · #854 CHTaxes119% #51 SGWarmest municipalities10.1 °C #19 SG · #413 CHSunniest municipalities40.3% #56 SG · #1689 CHRainiest municipalities1'124 mm #58 SG · #958 CHVoter turnout62.2% #9 SG · #403 CHAgainst Switzerland12.7% #65 SG · #1066 CHAligned with Switzerland87.3% #11 SG · #396 CHSVP strongholds35.8% #49 SG · #916 CHSP strongholds10.8% #28 SG · #1433 CHCentre strongholds24.1% #16 SG · #380 CHFDP strongholds12.2% #51 SG · #1132 CHGLP strongholds8.2% #3 SG · #548 CHGreen strongholds6.7% #36 SG · #1167 CHLargest by area7.1 km² #57 SG · #1238 CHHighest municipalities607 m #30 SG · #799 CHSecond homes8.6% #57 SG · #1487 CHOrganic farming4.8% #58 SG · #1542 CHBest-connected municipalities115 min #56 SG · #1893 CHRemotest municipalities115 min #21 SG · #215 CHHighest peaks875 m #40 SG · #862 CHHighest-lying municipalities627 m #40 SG · #936 CHGreatest vertical range417 m #36 SG · #793 CHSteepest municipalities13.4° #30 SG · #670 CHSolar potential9 GWh #75 SG · #1628 CHSolar potential per capita8'570 kWh #39 SG · #1346 CHCheapest electricity32.92 Rp./kWh #56 SG · #2024 CHMost expensive electricity32.92 Rp./kWh #19 SG · #84 CH

Localities

swisstopo · 2
What is the postal code of Untereggen?
Untereggen has 2 postal codes: 9033, 9404.
What is the tax rate in Untereggen?
The municipal tax multiplier of Untereggen is 119% (2026); canton SG levies 105%.
How much tax do you pay in Untereggen?
A single person without children pays about 14'089 CHF income tax in Untereggen on 100'000 CHF gross income (federal, cantonal, municipal), rank 50 of 75 in canton SG. Source: ESTV (2026).
How many residents does Untereggen have?
Untereggen has 1'035 residents (2025).
How many foreign residents live in Untereggen?
Untereggen has 115 foreign residents, a share of 11.11% (2025).

Map

OpenStreetMap