What is the postal code of Obersiggenthal?

Obersiggenthal has 2 postal codes: 5415, 5416.

What is the tax rate in Obersiggenthal?

The municipal tax multiplier of Obersiggenthal is 110% (2026); canton AG levies 103%.

How much tax do you pay in Obersiggenthal?

A single person without children pays about 13'059 CHF income tax in Obersiggenthal on 100'000 CHF gross income (federal, cantonal, municipal), rank 107 of 196 in canton AG. Source: ESTV (2026).

How many residents does Obersiggenthal have?

Obersiggenthal has 9'020 residents (2025).

How many foreign residents live in Obersiggenthal?

Obersiggenthal has 2'976 foreign residents, a share of 32.99% (2025).

Obersiggenthal (AG): Postal Codes 5415–5416, Tax Rate & Population

Demographics

BFS · 2025

Women

4'544 50.4%

Men

4'476 49.6%

Children & youth (0–19)

1'827 20.3%

Swiss citizens

6'044 67.0%

Foreign residents

2'976 33.0%

Population density

1'079 pop./km²

0–19 · 1'827 · 20.3%20–64 · 5'286 · 58.6%65+ · 1'907 · 21.1%

Foreign residents 33.0%0%64.0%

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

Vote results for Obersiggenthal

BFS

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

52.6% YesNo 47.4%

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

39.3% YesNo 60.7%

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

45.9% YesNo 54.1%

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

48.2% YesNo 51.9%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

54.9% YesNo 45.1%

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

27.6% YesNo 72.4%

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

49.2% YesNo 50.8%

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

29.7% YesNo 70.3%

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

74.4% YesNo 25.6%

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

37.2% YesNo 62.8%

All federal votes →

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

Politics

National Council election 2023

SVP23.8% · strongest party

SVP23.8%

SP21.3%

Mitte15.9%

FDP14.1%

GLP9.8%

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

Taxes 2026

ESTV

Municipal tax multiplier110%

Cantonal tax multiplier103%

110%AG range 48%127%

Tax rank 109 of 196 in canton Aargau

Tax burden

Single, 100'000 CHF gross income

13'059 CHF(13.1%)

Rank 107 of 196 in the canton · 551 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:13'059 CHF(~13.1%)

ObersiggenthalCanton range AargauSwitzerland median

Show data table

Gross income	Obersiggenthal	Aargau	Switzerland median
40'000	5.2%	3.8–5.6%	5.4%
50'000	7.1%	5.2–7.7%	7.8%
60'000	8.7%	6.4–9.3%	10.5%
70'000	10%	7.4–10.7%	11.9%
80'000	11.1%	8.2–11.9%	13.1%
90'000	12%	8.9–12.8%	14.1%
100'000	13.1%	9.8–14%	15.3%
110'000	14%	10.5–14.9%	16.3%
120'000	14.8%	11.2–15.8%	17.2%
130'000	15.5%	11.7–16.5%	18.1%
140'000	16.2%	12.4–17.3%	19%
150'000	16.9%	13–18%	19.7%
175'000	18.5%	14.4–19.7%	21.6%
200'000	19.9%	15.5–21.1%	23.2%
225'000	21.2%	16.6–22.4%	24.6%
250'000	22.3%	17.6–23.6%	25.8%
275'000	23.2%	18.4–24.5%	26.8%
300'000	24%	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 1991–20209.9 °C

Precipitation 1991–20201'047 mm

9.9 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

617 m

Mean elevation

484 m

Relief

279 m

Mean slope

8.6°

Flat share

35.7%

South-facing

39.5%

Above 2000 m

0.0%

Relief 279 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

52.9 GWh/yr

≈ households powered

8'500

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 31.08.2026

Electricity

ElCom · 2026

Tariff H4

29.81 Rp./kWh

Energy

13.06 Rp./kWh

Grid usage

12.86 Rp./kWh

Levies + grid surcharge

2.95 Rp./kWh

29.81 Rp./kWh9.6443.61

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

Network operator Elektrizitäts-Genossenschaft Siggenthal

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

0.59 %

Avg. rooms

3.7

Dwellings

4'223

Built before 194610.3%

Built since 200118.8%

0.59 %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 50 min · Car 38 min

AgglomerationPT 13 min · Car 9 min

Remoteness 177/196 in canton

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

Municipality

Wikidata · CC0

Websiteobersiggenthal.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

31

Largest municipalities9'020 #18 AG · #218 CH Families & children20.3% #99 AG · #1046 CH Age structure21.1% #58 AG · #1029 CH Women share50.4% #33 AG · #694 CH Foreign residents33% #26 AG · #198 CH Population density1'079/km² #28 AG · #199 CH Tax burden13'059 #112 AG · #556 CH Taxes110% #109 AG Warmest municipalities9.9 °C #73 AG · #616 CH Sunniest municipalities40% #137 AG · #1894 CH Rainiest municipalities1'047 mm #142 AG · #1403 CH Voter turnout55.3% #87 AG · #1033 CH Against Switzerland8% #148 AG · #1346 CH Aligned with Switzerland92% #16 AG · #146 CH SVP strongholds23.8% #191 AG · #1611 CH SP strongholds21.3% #14 AG · #368 CH Centre strongholds15.9% #52 AG · #767 CH FDP strongholds14.1% #44 AG · #916 CH GLP strongholds9.8% #36 AG · #347 CH Green strongholds8.7% #16 AG · #766 CH Largest by area8.4 km² #62 AG · #1108 CH Highest municipalities384 m #153 AG · #1957 CH Remotest municipalities50 min #177 AG · #1643 CH Best-connected municipalities50 min #20 AG · #475 CH Highest peaks617 m #96 AG · #1469 CH Highest-lying municipalities484 m #84 AG · #1514 CH Greatest vertical range279 m #50 AG · #1047 CH Steepest municipalities8.6° #72 AG · #1056 CH Solar potential38 GWh #39 AG · #502 CH Cheapest electricity29.81 Rp./kWh #180 AG · #1455 CH Most expensive electricity29.81 Rp./kWh #17 AG · #652 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 4

Hertenstein AG5415 Kirchdorf AG5416 Nussbaumen AG5415 Rieden AG5415

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Obersiggenthal?: Obersiggenthal has 2 postal codes: 5415, 5416.
What is the tax rate in Obersiggenthal?: The municipal tax multiplier of Obersiggenthal is 110% (2026); canton AG levies 103%.
How much tax do you pay in Obersiggenthal?: A single person without children pays about 13'059 CHF income tax in Obersiggenthal on 100'000 CHF gross income (federal, cantonal, municipal), rank 107 of 196 in canton AG. Source: ESTV (2026).
How many residents does Obersiggenthal have?: Obersiggenthal has 9'020 residents (2025).
How many foreign residents live in Obersiggenthal?: Obersiggenthal has 2'976 foreign residents, a share of 32.99% (2025).

Map

OpenStreetMap

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