What is the postal code of Unterkulm?

Unterkulm has 3 postal codes: 5722, 5723, 5726.

What is the tax rate in Unterkulm?

The municipal tax multiplier of Unterkulm is 115% (2026); canton AG levies 103%.

How much tax do you pay in Unterkulm?

A single person without children pays about 13'325 CHF income tax in Unterkulm on 100'000 CHF gross income (federal, cantonal, municipal), rank 139 of 196 in canton AG. Source: ESTV (2026).

How many residents does Unterkulm have?

Unterkulm has 3'807 residents (2025).

How many foreign residents live in Unterkulm?

Unterkulm has 1'273 foreign residents, a share of 33.44% (2025).

Switzerland · Canton AG

Unterkulm

5722–5726

AG CANTON5722 5723 5726

Residents

3'807

Area

8.9 km²

Population density

429 pop./km²

Elevation

551 m a.s.l.

Tax multiplier

115%

Postal codes

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

Demographics

BFS · 2025

Women

1'902 50.0%

Men

1'905 50.0%

Children & youth (0–19)

795 20.9%

Swiss citizens

2'534 66.6%

Foreign residents

1'273 33.4%

Population density

429 pop./km²

0–19 · 795 · 20.9%20–64 · 2'285 · 60.0%65+ · 727 · 19.1%

Foreign residents 33.4%0%64.0%

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

Vote results for Unterkulm

BFS

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

61.6% YesNo 38.4%

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

67.7% YesNo 32.3%

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

38.2% YesNo 61.8%

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

73.2% YesNo 26.8%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

42.4% YesNo 57.6%

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

16.7% YesNo 83.3%

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

55.7% YesNo 44.3%

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

52.5% YesNo 47.5%

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

65.0% YesNo 35.1%

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

57.0% YesNo 43.0%

All federal votes →

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

Politics

National Council election 2023

SVP50.3% · strongest party

SVP50.3%

SP12.7%

FDP10.0%

Mitte6.2%

GRÜNE6.2%

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

Taxes 2026

ESTV

Municipal tax multiplier115%

Cantonal tax multiplier103%

115%AG range 48%127%

Tax rank 139 of 196 in canton Aargau

Tax burden

Single, 100'000 CHF gross income

13'325 CHF(13.3%)

Rank 139 of 196 in the canton · 632 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:13'325 CHF(~13.3%)

UnterkulmCanton range AargauSwitzerland median

Show data table

Gross income	Unterkulm	Aargau	Switzerland median
40'000	5.4%	3.8–5.6%	5.4%
50'000	7.3%	5.2–7.7%	7.8%
60'000	8.9%	6.4–9.3%	10.5%
70'000	10.2%	7.4–10.7%	11.9%
80'000	11.3%	8.2–11.9%	13.1%
90'000	12.2%	8.9–12.8%	14.1%
100'000	13.3%	9.8–14%	15.3%
110'000	14.3%	10.5–14.9%	16.3%
120'000	15.1%	11.2–15.8%	17.2%
130'000	15.8%	11.7–16.5%	18.1%
140'000	16.5%	12.4–17.3%	19%
150'000	17.2%	13–18%	19.7%
175'000	18.9%	14.4–19.7%	21.6%
200'000	20.3%	15.5–21.1%	23.2%
225'000	21.5%	16.6–22.4%	24.6%
250'000	22.7%	17.6–23.6%	25.8%
275'000	23.6%	18.4–24.5%	26.8%
300'000	24.4%	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 1991–20201'119 mm

9.6 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

652 m

Mean elevation

538 m

Relief

218 m

Mean slope

11.1°

Flat share

26.1%

South-facing

18.0%

Above 2000 m

0.0%

Relief 218 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

28.5 GWh/yr

Roofs + façades

37.1 GWh/yr

≈ households powered

6'300

29 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

27.89 Rp./kWh

Energy

11.4 Rp./kWh

Grid usage

12.23 Rp./kWh

Levies + grid surcharge

3.06 Rp./kWh

27.89 Rp./kWh9.6443.61

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

Network operator AEW 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

1.03 %

Avg. rooms

3.9

Dwellings

1'747

Built before 194619.5%

Built since 200134.3%

1.03 %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 59 min

AgglomerationPT 25 min · Car 21 min

Remoteness 47/196 in canton

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

Municipality

Wikidata · CC0

Websiteunterkulm.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities3'807 #68 AG · #585 CH Families & children20.9% #76 AG · #853 CH Age structure19.1% #116 AG · #1421 CH Women share50% #59 AG · #949 CH Foreign residents33.4% #25 AG · #188 CH Population density429/km² #96 AG · #576 CH Tax burden13'325 #144 AG · #637 CH Taxes115% #139 AG Warmest municipalities9.6 °C #143 AG · #902 CH Sunniest municipalities40.2% #89 AG · #1774 CH Rainiest municipalities1'119 mm #51 AG · #989 CH Voter turnout47.4% #174 AG · #1903 CH Against Switzerland22% #33 AG · #416 CH Aligned with Switzerland78% #129 AG · #1038 CH SVP strongholds50.3% #37 AG · #232 CH SP strongholds12.7% #98 AG · #1196 CH Centre strongholds6.2% #185 AG · #1662 CH FDP strongholds10% #141 AG · #1392 CH GLP strongholds5.2% #155 AG · #1150 CH Green strongholds6.2% #74 AG · #1289 CH Largest by area8.9 km² #53 AG · #1061 CH Highest municipalities551 m #22 AG · #996 CH Remotest municipalities72 min #47 AG · #967 CH Best-connected municipalities72 min #150 AG · #1156 CH Highest peaks652 m #74 AG · #1357 CH Highest-lying municipalities538 m #42 AG · #1265 CH Greatest vertical range218 m #97 AG · #1279 CH Steepest municipalities11.1° #32 AG · #845 CH Solar potential29 GWh #66 AG · #714 CH Cheapest electricity27.89 Rp./kWh #116 AG · #1026 CH Most expensive electricity27.89 Rp./kWh #63 AG · #1064 CH

Postal codes (3)

swisstopo

Localities

swisstopo · 3

Gränichen5722 Teufenthal AG5723 Unterkulm5726

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Unterkulm?: Unterkulm has 3 postal codes: 5722, 5723, 5726.
What is the tax rate in Unterkulm?: The municipal tax multiplier of Unterkulm is 115% (2026); canton AG levies 103%.
How much tax do you pay in Unterkulm?: A single person without children pays about 13'325 CHF income tax in Unterkulm on 100'000 CHF gross income (federal, cantonal, municipal), rank 139 of 196 in canton AG. Source: ESTV (2026).
How many residents does Unterkulm have?: Unterkulm has 3'807 residents (2025).
How many foreign residents live in Unterkulm?: Unterkulm has 1'273 foreign residents, a share of 33.44% (2025).

Map

OpenStreetMap

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