What is the postal code of Biberstein?

The postal code of Biberstein is 5023.

What is the tax rate in Biberstein?

The municipal tax multiplier of Biberstein is 99% (2026); canton AG levies 103%.

How much tax do you pay in Biberstein?

A single person without children pays about 12'472 CHF income tax in Biberstein on 100'000 CHF gross income (federal, cantonal, municipal), rank 49 of 196 in canton AG. Source: ESTV (2026).

How many residents does Biberstein have?

Biberstein has 1'653 residents (2025).

How many foreign residents live in Biberstein?

Biberstein has 179 foreign residents, a share of 10.83% (2025).

Switzerland · Canton AG

Biberstein

5023

AG CANTON5023

Residents

1'653

Area

4.1 km²

Population density

403 pop./km²

Elevation

448 m a.s.l.

Terrain up to

772 m a.s.l.

Tax multiplier

99%

Postal codes

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

Demographics

BFS · 2025

Women

834 50.5%

Men

819 49.5%

Children & youth (0–19)

291 17.6%

Swiss citizens

1'474 89.2%

Foreign residents

179 10.8%

Population density

403 pop./km²

0–19 · 291 · 17.6%20–64 · 893 · 54.0%65+ · 469 · 28.4%

Foreign residents 10.8%0%64.0%

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

Vote results for Biberstein

BFS

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

57.8% YesNo 42.2%

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

43.7% YesNo 56.3%

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

40.7% YesNo 59.3%

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

68.7% YesNo 31.3%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

49.1% YesNo 50.9%

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

28.2% YesNo 71.8%

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

34.7% YesNo 65.3%

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

33.7% YesNo 66.3%

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

76.1% YesNo 23.9%

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

40.1% YesNo 59.9%

All federal votes →

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

Politics

National Council election 2023

SVP28.3% · strongest party

SVP28.3%

SP19.7%

FDP17.4%

GLP9.9%

GRÜNE8.4%

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

Taxes 2026

ESTV

Municipal tax multiplier99%

Cantonal tax multiplier103%

99%AG range 48%127%

Tax rank 49 of 196 in canton Aargau

Tax burden

Single, 100'000 CHF gross income

12'472 CHF(12.5%)

Rank 49 of 196 in the canton · 393 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:12'472 CHF(~12.5%)

BibersteinCanton range AargauSwitzerland median

Show data table

Gross income	Biberstein	Aargau	Switzerland median
40'000	5%	3.8–5.6%	5.4%
50'000	6.8%	5.2–7.7%	7.8%
60'000	8.3%	6.4–9.3%	10.5%
70'000	9.6%	7.4–10.7%	11.9%
80'000	10.6%	8.2–11.9%	13.1%
90'000	11.4%	8.9–12.8%	14.1%
100'000	12.5%	9.8–14%	15.3%
110'000	13.4%	10.5–14.9%	16.3%
120'000	14.1%	11.2–15.8%	17.2%
130'000	14.8%	11.7–16.5%	18.1%
140'000	15.5%	12.4–17.3%	19%
150'000	16.2%	13–18%	19.7%
175'000	17.8%	14.4–19.7%	21.6%
200'000	19.1%	15.5–21.1%	23.2%
225'000	20.4%	16.6–22.4%	24.6%
250'000	21.5%	17.6–23.6%	25.8%
275'000	22.4%	18.4–24.5%	26.8%
300'000	23.1%	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 1991–20209.4 °C

Precipitation 1991–20201'087 mm

9.4 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

772 m

Mean elevation

509 m

Relief

412 m

Mean slope

14°

Flat share

11.1%

South-facing

72.1%

Above 2000 m

0.0%

Relief 412 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

11.2 GWh/yr

Roofs + façades

14.9 GWh/yr

≈ households powered

2'500

11 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

27.17 Rp./kWh

Energy

9.78 Rp./kWh

Grid usage

12.59 Rp./kWh

Levies + grid surcharge

3.15 Rp./kWh

27.17 Rp./kWh9.6443.61

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

Network operator Eniwa 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

1.23 %

Avg. rooms

4.3

Dwellings

810

Built before 194612.7%

Built since 200139.8%

1.23 %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 70 min · Car 49 min

AgglomerationPT 20 min · Car 12 min

Remoteness 59/196 in canton

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

Municipality

Wikidata · CC0

Websitebiberstein-ag.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities1'653 #124 AG · #1092 CH Families & children17.6% #178 AG · #1735 CH Age structure28.4% #3 AG · #160 CH Women share50.5% #25 AG · #634 CH Foreign residents10.8% #188 AG · #1640 CH Population density403/km² #103 AG · #612 CH Tax burden12'472 #50 AG · #394 CH Taxes99% #49 AG Warmest municipalities9.4 °C #164 AG · #1064 CH Sunniest municipalities40.2% #68 AG · #1753 CH Rainiest municipalities1'087 mm #98 AG · #1173 CH Voter turnout65.9% #5 AG · #126 CH Against Switzerland8% #146 AG · #1344 CH Aligned with Switzerland92% #14 AG · #144 CH SVP strongholds28.3% #182 AG · #1379 CH SP strongholds19.7% #18 AG · #489 CH Centre strongholds7.9% #162 AG · #1452 CH FDP strongholds17.4% #12 AG · #624 CH GLP strongholds9.9% #34 AG · #333 CH Green strongholds8.4% #19 AG · #805 CH Largest by area4.1 km² #146 AG · #1694 CH Highest municipalities448 m #86 AG · #1553 CH Remotest municipalities70 min #59 AG · #1031 CH Best-connected municipalities70 min #134 AG · #1081 CH Highest peaks772 m #20 AG · #1036 CH Highest-lying municipalities509 m #67 AG · #1388 CH Greatest vertical range412 m #9 AG · #800 CH Steepest municipalities14° #8 AG · #624 CH Solar potential11 GWh #157 AG · #1468 CH Cheapest electricity27.17 Rp./kWh #57 AG · #610 CH Most expensive electricity27.17 Rp./kWh #128 AG · #1487 CH

Postal codes (1)

swisstopo

5023

Biberstein

Localities

swisstopo · 1

Biberstein5023

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Biberstein?: The postal code of Biberstein is 5023.
What is the tax rate in Biberstein?: The municipal tax multiplier of Biberstein is 99% (2026); canton AG levies 103%.
How much tax do you pay in Biberstein?: A single person without children pays about 12'472 CHF income tax in Biberstein on 100'000 CHF gross income (federal, cantonal, municipal), rank 49 of 196 in canton AG. Source: ESTV (2026).
How many residents does Biberstein have?: Biberstein has 1'653 residents (2025).
How many foreign residents live in Biberstein?: Biberstein has 179 foreign residents, a share of 10.83% (2025).

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