What is the postal code of Niederhelfenschwil?

Niederhelfenschwil has 6 postal codes: 9223, 9245, 9524, 9525, 9526, 9527.

What is the tax rate in Niederhelfenschwil?

The municipal tax multiplier of Niederhelfenschwil is 104% (2026); canton SG levies 105%.

How much tax do you pay in Niederhelfenschwil?

A single person without children pays about 13'259 CHF income tax in Niederhelfenschwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 22 of 75 in canton SG. Source: ESTV (2026).

How many residents does Niederhelfenschwil have?

Niederhelfenschwil has 3'309 residents (2025).

How many foreign residents live in Niederhelfenschwil?

Niederhelfenschwil has 309 foreign residents, a share of 9.34% (2025).

Switzerland · Canton SG · Wahlkreis Wil

Niederhelfenschwil

9223–9527

SG CANTON9223 9245 9524 9525+2 PLZ

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN · swissTLM3D · swissTLMRegio

Demographics

BFS · 2025

Women

1'633 49.4%

Men

1'676 50.6%

Children & youth (0–19)

825 24.9%

Swiss citizens

3'000 90.7%

Foreign residents

309 9.3%

Population density

202 pop./km²

0–19 · 825 · 24.9%20–64 · 1'933 · 58.4%65+ · 551 · 16.7%

Foreign residents 9.3%0%64.0%

Population change 2025: +19 (+0.6%) · 25 births · 19 deaths · net migration +10

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

Vote results for Niederhelfenschwil

BFS

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 Wil: 23.1% Yes

18.4% YesNo 81.7%

27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Wahlkreis Wil: 34.2% Yes

38.7% YesNo 61.3%

14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Wahlkreis Wil: 61.0% Yes

66.2% YesNo 33.8%

14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Wahlkreis Wil: 53.0% Yes

62.6% YesNo 37.4%

14.06.2026Gesetz über Beiträge für familien- und schulergänzende KinderbetreuungCantonal SG● Accepted · 57.8% YesDistrict Wahlkreis Wil: 59.3% Yes

48.1% YesNo 51.9%

08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Wahlkreis Wil: 42.7% Yes

32.4% YesNo 67.6%

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 Wil: 20.2% Yes

14.8% YesNo 85.2%

08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Wahlkreis Wil: 43.1% Yes

45.6% YesNo 54.4%

08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Wahlkreis Wil: 38.0% Yes

37.7% YesNo 62.3%

08.03.2026Federal decree on Swiss currency and cash supply (counter-proposal to Cash Initiative)Federal● Accepted · 73.4% YesDistrict Wahlkreis Wil: 73.9% Yes

73.6% YesNo 26.4%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023

SVP41.4% · strongest party

SVP41.4%

Mitte21.5%

FDP16.2%

GRÜNE5.3%

SP5.0%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026

Taxes 2026

ESTV

Municipal tax multiplier104%

Cantonal tax multiplier105%

104%SG range 61%155%

Tax rank 23 of 75 in canton St. Gallen

Tax burden

Single, 100'000 CHF gross income

13'259 CHF(13.3%)

Rank 22 of 75 in the canton · 601 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

100'000 CHF:13'259 CHF(~13.3%)

NiederhelfenschwilCanton range St. GallenSwitzerland median

Show data table

Gross income	Niederhelfenschwil	St. Gallen	Switzerland median
40'000	5.9%	4.8–7.3%	5.4%
50'000	7.6%	6.1–9.3%	7.8%
60'000	9.1%	7.4–11.2%	10.5%
70'000	10.2%	8.3–12.5%	11.9%
80'000	11.3%	9.2–13.8%	13.1%
90'000	12.2%	10–14.9%	14.1%
100'000	13.3%	10.9–16.1%	15.3%
110'000	14.1%	11.7–17.1%	16.3%
120'000	14.9%	12.3–18%	17.2%
130'000	15.6%	12.9–18.7%	18.1%
140'000	16.3%	13.6–19.5%	19%
150'000	16.9%	14.1–20.2%	19.7%
175'000	18.3%	15.4–21.8%	21.6%
200'000	19.5%	16.5–23.1%	23.2%
225'000	20.6%	17.5–24.2%	24.6%
250'000	21.5%	18.4–25.2%	25.8%
275'000	22.3%	19.1–26.1%	26.8%
300'000	22.9%	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 1991–20209 °C

Precipitation 1991–20201'119 mm

9 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

690 m

Mean elevation

566 m

Relief

217 m

Mean slope

5.5°

Flat share

61.7%

South-facing

14.0%

Above 2000 m

0.0%

Relief 217 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

Solar potential

BFE

Roof potential

38.2 GWh/yr

Roofs + façades

50.7 GWh/yr

≈ households powered

8'500

Per inhabitant

11'556 kWh/yr

38 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

45.82 Rp./kWh

Energy

22.2 Rp./kWh

Grid usage

17.92 Rp./kWh

Levies + grid surcharge

3.3 Rp./kWh

45.82 Rp./kWh10.5645.88

Canton median 30.11 Rp./kWhSwiss median 26.53 Rp./kWh

Network operator Politische Gemeinde Niederhelfenschwil, Elektra / Stromversorgung

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 · 2024

Premium regionRegion 1

Standard model, deductible 300577 CHF/mo

Ø premium in canton St. Gallen377 CHF/mo

Estimate Switzerland 2026465.3 CHF/mo

Compare health insurers in Niederhelfenschwil →Canton St. Gallen →Premiums explained →

Premiums are set per canton and premium region. This area lies in premium region 1 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

0.36 %

Second homes

8.9 %

Avg. rooms

4.6

Dwellings

1'374

Built before 194619.8%

Built since 200134.5%

0.36 %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

953

Workplaces

247

Services share

49.1 %

Jobs by sector: Primary 220 (23.1%) · Secondary 265 (27.8%) · Tertiary 468 (49.1%)

STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025

Farms

Organic share

12.3 %

Farmland

1'203 ha

Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM

Major centrePT 96 min · Car 60 min

AgglomerationPT 26 min · Car 16 min

Remoteness 44/75 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0

BFS municipality number3423

Websiteniederhelfenschwil.ch ↗

DistrictWahlkreis Wil

Wikidata · continuously updated, retrieved 24.09.2026

Where Niederhelfenschwil ranks

Largest municipalities3'309 #55 SG · #669 CH Growing municipalities0.6% #36 SG · #1046 CH Shrinking municipalities0.6% #40 SG · #1059 CH Jobs per resident0.29 #65 SG · #1336 CH Families & children24.9% #6 SG · #84 CH Age structure16.7% #71 SG · #1817 CH Women share49.4% #40 SG · #1332 CH Foreign residents9.3% #72 SG · #1763 CH Population density202/km² #47 SG · #1021 CH Tax burden13'259 #23 SG · #602 CH Taxes104% #23 SG Warmest municipalities9 °C #46 SG · #1379 CH Sunniest municipalities40.2% #58 SG · #1751 CH Rainiest municipalities1'119 mm #60 SG · #988 CH Voter turnout62.5% #8 SG · #373 CH Against Switzerland20.6% #37 SG · #478 CH Aligned with Switzerland79.4% #40 SG · #968 CH SVP strongholds41.4% #26 SG · #598 CH SP strongholds5% #72 SG · #1937 CH Centre strongholds21.5% #32 SG · #466 CH FDP strongholds16.2% #18 SG · #723 CH GLP strongholds4.9% #42 SG · #1222 CH Green strongholds5.3% #57 SG · #1495 CH Largest by area16.4 km² #35 SG · #585 CH Highest municipalities580 m #34 SG · #889 CH Second homes8.9% #55 SG · #1416 CH Organic farming12.3% #31 SG · #1067 CH Best-connected municipalities96 min #33 SG · #1656 CH Remotest municipalities96 min #44 SG · #451 CH Highest peaks690 m #54 SG · #1236 CH Highest-lying municipalities566 m #49 SG · #1146 CH Greatest vertical range217 m #55 SG · #1283 CH Steepest municipalities5.5° #56 SG · #1473 CH Solar potential38 GWh #45 SG · #499 CH Solar potential per capita11'556 kWh #15 SG · #817 CH Cheapest electricity45.82 Rp./kWh #74 SG · #2105 CH Most expensive electricity45.82 Rp./kWh #1 SG · #2 CH

Postal codes (6)

swisstopo

Localities

swisstopo · 7

Lenggenwil9525 Niederhelfenschwil9527 Oberbüren9245 Schweizersholz9223 Sonnental9245 Zuckenriet9526 Zuzwil SG9524

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Niederhelfenschwil?: Niederhelfenschwil has 6 postal codes: 9223, 9245, 9524, 9525, 9526, 9527.
What is the tax rate in Niederhelfenschwil?: The municipal tax multiplier of Niederhelfenschwil is 104% (2026); canton SG levies 105%.
How much tax do you pay in Niederhelfenschwil?: A single person without children pays about 13'259 CHF income tax in Niederhelfenschwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 22 of 75 in canton SG. Source: ESTV (2026).
How many residents does Niederhelfenschwil have?: Niederhelfenschwil has 3'309 residents (2025).
How many foreign residents live in Niederhelfenschwil?: Niederhelfenschwil has 309 foreign residents, a share of 9.34% (2025).

Map

OpenStreetMap

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