What is the postal code of Untersiggenthal?

Untersiggenthal has 3 postal codes: 5301, 5416, 5417.

What is the tax rate in Untersiggenthal?

The municipal tax multiplier of Untersiggenthal is 105% (2026); canton AG levies 103%.

How much tax do you pay in Untersiggenthal?

A single person without children pays about 12'792 CHF income tax in Untersiggenthal on 100'000 CHF gross income (federal, cantonal, municipal), rank 77 of 196 in canton AG. Source: ESTV (2026).

How many residents does Untersiggenthal have?

Untersiggenthal has 7'875 residents (2025).

How many foreign residents live in Untersiggenthal?

Untersiggenthal has 2'512 foreign residents, a share of 31.9% (2025).

Untersiggenthal (AG): Postal Codes 5301–5417, Tax Rate & Population

Demographics

BFS · 2025

Women

3'890 49.4%

Men

3'985 50.6%

Children & youth (0–19)

1'648 20.9%

Swiss citizens

5'363 68.1%

Foreign residents

2'512 31.9%

Population density

951 pop./km²

0–19 · 1'648 · 20.9%20–64 · 4'627 · 58.8%65+ · 1'600 · 20.3%

Foreign residents 31.9%0%64.0%

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026

Vote results for Untersiggenthal

BFS

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes

54.5% YesNo 45.6%

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes

44.7% YesNo 55.3%

14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% Yes

47.1% YesNo 52.9%

14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% Yes

50.3% YesNo 49.7%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

53.2% YesNo 46.8%

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes

26.4% YesNo 73.6%

08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes

40.1% YesNo 59.9%

08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes

33.2% YesNo 66.8%

08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes

75.5% YesNo 24.5%

08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes

39.6% YesNo 60.4%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023

SVP30.1% · strongest party

SVP30.1%

SP19.6%

Mitte14.0%

FDP12.7%

GRÜNE8.8%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026

Taxes 2026

ESTV

Municipal tax multiplier105%

Cantonal tax multiplier103%

105%AG range 48%127%

Tax rank 79 of 196 in canton Aargau

Tax burden

Single, 100'000 CHF gross income

12'792 CHF(12.8%)

Rank 77 of 196 in the canton · 463 of 2110 in Switzerland

Median canton 12'952 CHF · median Switzerland 15'290 CHF

Cheapest Oberwil-Lieli 9'753 CHF · most expensive Ammerswil 13'965 CHF

Income tax as % of gross income

100'000 CHF:12'792 CHF(~12.8%)

UntersiggenthalCanton range AargauSwitzerland median

Show data table

Gross income	Untersiggenthal	Aargau	Switzerland median
40'000	5.1%	3.8–5.6%	5.4%
50'000	7%	5.2–7.7%	7.8%
60'000	8.5%	6.4–9.3%	10.5%
70'000	9.8%	7.4–10.7%	11.9%
80'000	10.9%	8.2–11.9%	13.1%
90'000	11.7%	8.9–12.8%	14.1%
100'000	12.8%	9.8–14%	15.3%
110'000	13.7%	10.5–14.9%	16.3%
120'000	14.5%	11.2–15.8%	17.2%
130'000	15.2%	11.7–16.5%	18.1%
140'000	15.9%	12.4–17.3%	19%
150'000	16.6%	13–18%	19.7%
175'000	18.2%	14.4–19.7%	21.6%
200'000	19.6%	15.5–21.1%	23.2%
225'000	20.8%	16.6–22.4%	24.6%
250'000	21.9%	17.6–23.6%	25.8%
275'000	22.8%	18.4–24.5%	26.8%
300'000	23.6%	19.1–25.3%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–20209.6 °C

Precipitation 1991–20201'020 mm

9.6 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

590 m

Mean elevation

436 m

Relief

264 m

Mean slope

7.5°

Flat share

43.3%

South-facing

22.0%

Above 2000 m

0.0%

Relief 264 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

41.4 GWh/yr

Roofs + façades

54.9 GWh/yr

≈ households powered

9'200

41 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 31.08.2026

Electricity

ElCom · 2026

Tariff range H4

27.89–29.58 Rp./kWh

28.73 Rp./kWh9.6443.61

Canton median 27.73 Rp./kWhSwiss median 27.7 Rp./kWh

Network operators AEW Energie AG · Elektrizitäts-Genossenschaft Siggenthal

This municipality is served by 2 network operators with different tariffs; the range spans the cheapest and the most expensive.

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.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026

Housing

BFS

Vacancy rate

0.84 %

Avg. rooms

3.9

Dwellings

3'566

Built before 194611.0%

Built since 200124.6%

0.84 %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 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM

Major centrePT 59 min · Car 45 min

AgglomerationPT 24 min · Car 16 min

Remoteness 127/196 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0

Websiteuntersiggenthal.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

31

Largest municipalities7'875 #27 AG · #250 CH Families & children20.9% #75 AG · #852 CH Age structure20.3% #77 AG · #1181 CH Women share49.4% #100 AG · #1335 CH Foreign residents31.9% #31 AG · #235 CH Population density951/km² #38 AG · #240 CH Tax burden12'792 #86 AG · #472 CH Taxes105% #79 AG Warmest municipalities9.6 °C #135 AG · #894 CH Sunniest municipalities39.7% #170 AG · #1997 CH Rainiest municipalities1'020 mm #167 AG · #1537 CH Voter turnout57% #64 AG · #805 CH Against Switzerland6% #158 AG · #1419 CH Aligned with Switzerland94% #9 AG · #69 CH SVP strongholds30.1% #177 AG · #1263 CH SP strongholds19.6% #19 AG · #492 CH Centre strongholds14% #73 AG · #894 CH FDP strongholds12.7% #74 AG · #1066 CH GLP strongholds8.6% #62 AG · #501 CH Green strongholds8.8% #15 AG · #739 CH Largest by area8.3 km² #64 AG · #1118 CH Highest municipalities449 m #84 AG · #1545 CH Remotest municipalities59 min #127 AG · #1375 CH Best-connected municipalities59 min #69 AG · #752 CH Highest peaks590 m #113 AG · #1579 CH Highest-lying municipalities436 m #124 AG · #1820 CH Greatest vertical range264 m #61 AG · #1103 CH Steepest municipalities7.5° #88 AG · #1166 CH Solar potential41 GWh #32 AG · #441 CH Cheapest electricity28.73 Rp./kWh #169 AG · #1222 CH Most expensive electricity28.73 Rp./kWh #28 AG · #885 CH

Postal codes (3)

swisstopo

Localities

swisstopo · 3

Kirchdorf AG5416 Siggenthal Station5301 Untersiggenthal5417

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Untersiggenthal?: Untersiggenthal has 3 postal codes: 5301, 5416, 5417.
What is the tax rate in Untersiggenthal?: The municipal tax multiplier of Untersiggenthal is 105% (2026); canton AG levies 103%.
How much tax do you pay in Untersiggenthal?: A single person without children pays about 12'792 CHF income tax in Untersiggenthal on 100'000 CHF gross income (federal, cantonal, municipal), rank 77 of 196 in canton AG. Source: ESTV (2026).
How many residents does Untersiggenthal have?: Untersiggenthal has 7'875 residents (2025).
How many foreign residents live in Untersiggenthal?: Untersiggenthal has 2'512 foreign residents, a share of 31.9% (2025).

Map

OpenStreetMap

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