What is the postal code of Kölliken?

Kölliken has 2 postal codes: 4813, 5742.

What is the tax rate in Kölliken?

The municipal tax multiplier of Kölliken is 119% (2026); canton AG levies 103%.

How much tax do you pay in Kölliken?

A single person without children pays about 13'539 CHF income tax in Kölliken on 100'000 CHF gross income (federal, cantonal, municipal), rank 167 of 196 in canton AG. Source: ESTV (2026).

How many residents does Kölliken have?

Kölliken has 5'133 residents (2025).

How many foreign residents live in Kölliken?

Kölliken has 1'264 foreign residents, a share of 24.62% (2025).

Switzerland · Canton AG

Kölliken

4813–5742

AG CANTON4813 5742

Residents

5'133

Area

8.9 km²

Population density

577 pop./km²

Elevation

427 m a.s.l.

Tax multiplier

119%

Postal codes

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

Demographics

BFS · 2025

Women

2'560 49.9%

Men

2'573 50.1%

Children & youth (0–19)

1'150 22.4%

Swiss citizens

3'869 75.4%

Foreign residents

1'264 24.6%

Population density

577 pop./km²

0–19 · 1'150 · 22.4%20–64 · 3'032 · 59.1%65+ · 951 · 18.5%

Foreign residents 24.6%0%64.0%

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

Vote results for Kölliken

BFS

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

55.6% YesNo 44.5%

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

61.2% YesNo 38.8%

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

41.4% YesNo 58.6%

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

66.7% YesNo 33.3%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

45.8% YesNo 54.2%

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

21.6% YesNo 78.4%

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

48.8% YesNo 51.2%

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

46.0% YesNo 54.0%

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

71.3% YesNo 28.7%

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

52.5% YesNo 47.5%

All federal votes →

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

Politics

National Council election 2023

SVP42.1% · strongest party

SVP42.1%

SP15.1%

FDP9.9%

EVP7.8%

Mitte7.4%

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

Taxes 2026

ESTV

Municipal tax multiplier119%

Cantonal tax multiplier103%

119%AG range 48%127%

Tax rank 171 of 196 in canton Aargau

Tax burden

Single, 100'000 CHF gross income

13'539 CHF(13.5%)

Rank 167 of 196 in the canton · 702 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:13'539 CHF(~13.5%)

KöllikenCanton range AargauSwitzerland median

Show data table

Gross income	Kölliken	Aargau	Switzerland median
40'000	5.4%	3.8–5.6%	5.4%
50'000	7.4%	5.2–7.7%	7.8%
60'000	9%	6.4–9.3%	10.5%
70'000	10.4%	7.4–10.7%	11.9%
80'000	11.5%	8.2–11.9%	13.1%
90'000	12.4%	8.9–12.8%	14.1%
100'000	13.5%	9.8–14%	15.3%
110'000	14.5%	10.5–14.9%	16.3%
120'000	15.3%	11.2–15.8%	17.2%
130'000	16%	11.7–16.5%	18.1%
140'000	16.8%	12.4–17.3%	19%
150'000	17.5%	13–18%	19.7%
175'000	19.2%	14.4–19.7%	21.6%
200'000	20.5%	15.5–21.1%	23.2%
225'000	21.8%	16.6–22.4%	24.6%
250'000	23%	17.6–23.6%	25.8%
275'000	23.9%	18.4–24.5%	26.8%
300'000	24.7%	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 1991–20201'131 mm

9.6 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

563 m

Mean elevation

458 m

Relief

144 m

Mean slope

4.7°

Flat share

59.3%

South-facing

9.8%

Above 2000 m

0.0%

Relief 144 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

41.5 GWh/yr

Roofs + façades

53.9 GWh/yr

≈ households powered

9'200

42 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

26.35 Rp./kWh

Energy

11.62 Rp./kWh

Grid usage

9.89 Rp./kWh

Levies + grid surcharge

3.25 Rp./kWh

26.35 Rp./kWh9.6443.61

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

Network operator EWK Energie AG

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

1.77 %

Avg. rooms

4.1

Dwellings

2'313

Built before 194623.9%

Built since 200125.5%

1.77 %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 72 min · Car 47 min

AgglomerationPT 32 min · Car 16 min

Remoteness 50/196 in canton

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

Municipality

Wikidata · CC0

Websitekoelliken.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities5'133 #38 AG · #422 CH Families & children22.4% #24 AG · #451 CH Age structure18.5% #128 AG · #1551 CH Women share49.9% #71 AG · #1027 CH Foreign residents24.6% #67 AG · #574 CH Population density577/km² #72 AG · #449 CH Tax burden13'539 #168 AG · #703 CH Taxes119% #171 AG Warmest municipalities9.6 °C #147 AG · #906 CH Sunniest municipalities40% #149 AG · #1906 CH Rainiest municipalities1'131 mm #28 AG · #922 CH Voter turnout48.3% #170 AG · #1841 CH Against Switzerland19% #51 AG · #622 CH Aligned with Switzerland81% #119 AG · #835 CH SVP strongholds42.1% #102 AG · #552 CH SP strongholds15.1% #61 AG · #935 CH Centre strongholds7.4% #173 AG · #1518 CH FDP strongholds9.9% #144 AG · #1408 CH GLP strongholds4.8% #168 AG · #1249 CH Green strongholds6.9% #55 AG · #1122 CH Largest by area8.9 km² #54 AG · #1062 CH Highest municipalities427 m #101 AG · #1730 CH Remotest municipalities72 min #50 AG · #970 CH Best-connected municipalities72 min #153 AG · #1159 CH Highest peaks563 m #129 AG · #1672 CH Highest-lying municipalities458 m #104 AG · #1675 CH Greatest vertical range144 m #155 AG · #1621 CH Steepest municipalities4.7° #160 AG · #1630 CH Solar potential42 GWh #31 AG · #439 CH Cheapest electricity26.35 Rp./kWh #34 AG · #521 CH Most expensive electricity26.35 Rp./kWh #163 AG · #1586 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Kölliken5742 Uerkheim4813

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Kölliken?: Kölliken has 2 postal codes: 4813, 5742.
What is the tax rate in Kölliken?: The municipal tax multiplier of Kölliken is 119% (2026); canton AG levies 103%.
How much tax do you pay in Kölliken?: A single person without children pays about 13'539 CHF income tax in Kölliken on 100'000 CHF gross income (federal, cantonal, municipal), rank 167 of 196 in canton AG. Source: ESTV (2026).
How many residents does Kölliken have?: Kölliken has 5'133 residents (2025).
How many foreign residents live in Kölliken?: Kölliken has 1'264 foreign residents, a share of 24.62% (2025).

Map

OpenStreetMap

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