What is the postal code of Sisseln?

The postal code of Sisseln is 4334.

What is the tax rate in Sisseln?

The municipal tax multiplier of Sisseln is 80% (2026); canton AG levies 103%.

How much tax do you pay in Sisseln?

A single person without children pays about 11'459 CHF income tax in Sisseln on 100'000 CHF gross income (federal, cantonal, municipal), rank 10 of 196 in canton AG. Source: ESTV (2026).

How many residents does Sisseln have?

Sisseln has 1'653 residents (2025).

How many foreign residents live in Sisseln?

Sisseln has 508 foreign residents, a share of 30.73% (2025).

Switzerland · Canton AG

Sisseln

4334

AG CANTON4334

Residents

1'653

Area

2.5 km²

Population density

656 pop./km²

Elevation

292 m a.s.l.

Tax multiplier

80%

Postal codes

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

Demographics

BFS · 2025

Women

797 48.2%

Men

856 51.8%

Children & youth (0–19)

311 18.8%

Swiss citizens

1'145 69.3%

Foreign residents

508 30.7%

Population density

656 pop./km²

0–19 · 311 · 18.8%20–64 · 1'055 · 63.8%65+ · 287 · 17.4%

Foreign residents 30.7%0%64.0%

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

Vote results for Sisseln

BFS

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

58.9% YesNo 41.1%

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

59.9% YesNo 40.1%

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

41.8% YesNo 58.2%

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

49.8% YesNo 50.2%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

48.3% YesNo 51.7%

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

17.5% YesNo 82.5%

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

54.7% YesNo 45.4%

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

43.4% YesNo 56.6%

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

70.1% YesNo 29.9%

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

52.9% YesNo 47.1%

All federal votes →

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

Politics

National Council election 2023

SVP49.5% · strongest party

SVP49.5%

SP13.6%

Mitte11.6%

FDP7.5%

GLP7.2%

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

Taxes 2026

ESTV

Municipal tax multiplier80%

Cantonal tax multiplier103%

80%AG range 48%127%

Tax rank 10 of 196 in canton Aargau

Tax burden

Single, 100'000 CHF gross income

11'459 CHF(11.5%)

Rank 10 of 196 in the canton · 186 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:11'459 CHF(~11.5%)

SisselnCanton range AargauSwitzerland median

Show data table

Gross income	Sisseln	Aargau	Switzerland median
40'000	4.6%	3.8–5.6%	5.4%
50'000	6.2%	5.2–7.7%	7.8%
60'000	7.6%	6.4–9.3%	10.5%
70'000	8.7%	7.4–10.7%	11.9%
80'000	9.7%	8.2–11.9%	13.1%
90'000	10.5%	8.9–12.8%	14.1%
100'000	11.5%	9.8–14%	15.3%
110'000	12.3%	10.5–14.9%	16.3%
120'000	13%	11.2–15.8%	17.2%
130'000	13.7%	11.7–16.5%	18.1%
140'000	14.4%	12.4–17.3%	19%
150'000	15%	13–18%	19.7%
175'000	16.5%	14.4–19.7%	21.6%
200'000	17.8%	15.5–21.1%	23.2%
225'000	19%	16.6–22.4%	24.6%
250'000	20%	17.6–23.6%	25.8%
275'000	20.9%	18.4–24.5%	26.8%
300'000	21.6%	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 1991–202010.7 °C

Precipitation 1991–20201'138 mm

10.7 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

309 m

Mean elevation

300 m

Relief

20 m

Mean slope

1.9°

Flat share

86.3%

South-facing

0.5%

Above 2000 m

0.0%

Relief 20 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

17.6 GWh/yr

Roofs + façades

22.3 GWh/yr

≈ households powered

3'900

18 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

20.03 Rp./kWh

Energy

11.04 Rp./kWh

Grid usage

5.39 Rp./kWh

Levies + grid surcharge

2.58 Rp./kWh

20.03 Rp./kWh9.6443.61

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

Network operator Einwohnergemeinde Sisseln, Strom

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

0.13 %

Avg. rooms

4.2

Dwellings

782

Built before 194611.4%

Built since 200128.9%

0.13 %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 53 min · Car 30 min

AgglomerationPT 18 min · Car 8 min

Remoteness 167/196 in canton

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

Municipality

Wikidata · CC0

Websitesisseln.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities1'653 #125 AG · #1093 CH Families & children18.8% #153 AG · #1505 CH Age structure17.4% #153 AG · #1724 CH Women share48.2% #168 AG · #1821 CH Foreign residents30.7% #38 AG · #287 CH Population density656/km² #57 AG · #390 CH Tax burden11'459 #10 AG · #186 CH Taxes80% #10 AG Warmest municipalities10.7 °C #8 AG · #159 CH Sunniest municipalities40.4% #48 AG · #1653 CH Rainiest municipalities1'138 mm #14 AG · #880 CH Voter turnout46.9% #179 AG · #1941 CH Against Switzerland26% #18 AG · #210 CH Aligned with Switzerland74% #150 AG · #1256 CH SVP strongholds49.5% #43 AG · #249 CH SP strongholds13.6% #82 AG · #1095 CH Centre strongholds11.6% #102 AG · #1055 CH FDP strongholds7.5% #178 AG · #1654 CH GLP strongholds7.2% #98 AG · #720 CH Green strongholds4.1% #160 AG · #1724 CH Largest by area2.5 km² #185 AG · #1947 CH Highest municipalities292 m #192 AG · #2064 CH Remotest municipalities53 min #167 AG · #1553 CH Best-connected municipalities53 min #31 AG · #570 CH Highest peaks309 m #196 AG · #2107 CH Highest-lying municipalities300 m #196 AG · #2100 CH Greatest vertical range20 m #196 AG · #2086 CH Steepest municipalities1.9° #195 AG · #2013 CH Solar potential18 GWh #111 AG · #1117 CH Cheapest electricity20.03 Rp./kWh #1 AG · #19 CH Most expensive electricity20.03 Rp./kWh #196 AG · #2088 CH

Postal codes (1)

swisstopo

4334

Sisseln AG

Localities

swisstopo · 1

Sisseln AG4334

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Sisseln?: The postal code of Sisseln is 4334.
What is the tax rate in Sisseln?: The municipal tax multiplier of Sisseln is 80% (2026); canton AG levies 103%.
How much tax do you pay in Sisseln?: A single person without children pays about 11'459 CHF income tax in Sisseln on 100'000 CHF gross income (federal, cantonal, municipal), rank 10 of 196 in canton AG. Source: ESTV (2026).
How many residents does Sisseln have?: Sisseln has 1'653 residents (2025).
How many foreign residents live in Sisseln?: Sisseln has 508 foreign residents, a share of 30.73% (2025).

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