What is the postal code of Olsberg?

Olsberg has 2 postal codes: 4304, 4305.

What is the tax rate in Olsberg?

The municipal tax multiplier of Olsberg is 92% (2026); canton AG levies 103%.

How much tax do you pay in Olsberg?

A single person without children pays about 12'099 CHF income tax in Olsberg on 100'000 CHF gross income (federal, cantonal, municipal), rank 24 of 196 in canton AG. Source: ESTV (2026).

How many residents does Olsberg have?

Olsberg has 366 residents (2025).

How many foreign residents live in Olsberg?

Olsberg has 69 foreign residents, a share of 18.85% (2025).

Switzerland · Canton AG

Olsberg

4304–4305

AG CANTON4304 4305

Residents

366

Area

4.6 km²

Population density

79 pop./km²

Elevation

374 m a.s.l.

Tax multiplier

92%

Postal codes

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

Demographics

BFS · 2025

Women

179 48.9%

Men

187 51.1%

Children & youth (0–19)

66 18.0%

Swiss citizens

297 81.2%

Foreign residents

69 18.9%

Population density

79 pop./km²

0–19 · 66 · 18.0%20–64 · 192 · 52.5%65+ · 108 · 29.5%

Foreign residents 18.9%0%64.0%

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

Vote results for Olsberg

BFS

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

60.1% YesNo 39.9%

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

55.2% YesNo 44.8%

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

43.3% YesNo 56.7%

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

62.6% YesNo 37.4%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

54.3% YesNo 45.7%

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

24.4% YesNo 75.6%

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

45.7% YesNo 54.3%

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

43.0% YesNo 57.1%

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

70.8% YesNo 29.2%

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

47.2% YesNo 52.8%

All federal votes →

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

Politics

National Council election 2023

SVP41.5% · strongest party

SVP41.5%

SP14.7%

FDP13.2%

Mitte9.8%

GRÜNE7.0%

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

Taxes 2026

ESTV

Municipal tax multiplier92%

Cantonal tax multiplier103%

92%AG range 48%127%

Tax rank 25 of 196 in canton Aargau

Tax burden

Single, 100'000 CHF gross income

12'099 CHF(12.1%)

Rank 24 of 196 in the canton · 328 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:12'099 CHF(~12.1%)

OlsbergCanton range AargauSwitzerland median

Show data table

Gross income	Olsberg	Aargau	Switzerland median
40'000	4.8%	3.8–5.6%	5.4%
50'000	6.6%	5.2–7.7%	7.8%
60'000	8%	6.4–9.3%	10.5%
70'000	9.3%	7.4–10.7%	11.9%
80'000	10.3%	8.2–11.9%	13.1%
90'000	11.1%	8.9–12.8%	14.1%
100'000	12.1%	9.8–14%	15.3%
110'000	13%	10.5–14.9%	16.3%
120'000	13.7%	11.2–15.8%	17.2%
130'000	14.4%	11.7–16.5%	18.1%
140'000	15.1%	12.4–17.3%	19%
150'000	15.8%	13–18%	19.7%
175'000	17.3%	14.4–19.7%	21.6%
200'000	18.6%	15.5–21.1%	23.2%
225'000	19.9%	16.6–22.4%	24.6%
250'000	20.9%	17.6–23.6%	25.8%
275'000	21.8%	18.4–24.5%	26.8%
300'000	22.6%	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 1991–202010.5 °C

Precipitation 1991–2020953 mm

10.5 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

571 m

Mean elevation

414 m

Relief

271 m

Mean slope

8.9°

Flat share

27.7%

South-facing

25.9%

Above 2000 m

0.0%

Relief 271 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

4.6 GWh/yr

Roofs + façades

5.8 GWh/yr

≈ households powered

1'000

5 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

24.2 Rp./kWh

Energy

8.4 Rp./kWh

Grid usage

12.16 Rp./kWh

Levies + grid surcharge

2.3 Rp./kWh

24.2 Rp./kWh9.6443.61

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

Network operator ELEKTRAGENOSSENSCHAFT OLSBERG

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

1.6 %

Avg. rooms

4.6

Dwellings

187

Built before 194626.7%

Built since 200120.9%

1.6 %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 46 min · Car 24 min

AgglomerationPT 46 min · Car 24 min

Remoteness 188/196 in canton

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

Municipality

Wikidata · CC0

Websiteolsberg.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities366 #192 AG · #1912 CH Families & children18% #174 AG · #1674 CH Age structure29.5% #2 AG · #113 CH Women share48.9% #135 AG · #1569 CH Foreign residents18.9% #125 AG · #958 CH Population density79/km² #192 AG · #1594 CH Tax burden12'099 #26 AG · #330 CH Taxes92% #25 AG Warmest municipalities10.5 °C #13 AG · #222 CH Sunniest municipalities41.5% #3 AG · #1229 CH Rainiest municipalities953 mm #193 AG · #1809 CH Voter turnout62.3% #12 AG · #290 CH SVP strongholds41.5% #108 AG · #590 CH SP strongholds14.7% #66 AG · #974 CH Centre strongholds9.8% #126 AG · #1220 CH FDP strongholds13.2% #64 AG · #1010 CH GLP strongholds6.5% #118 AG · #865 CH Green strongholds7% #52 AG · #1104 CH Largest by area4.6 km² #133 AG · #1610 CH Highest municipalities374 m #166 AG · #1983 CH Remotest municipalities46 min #188 AG · #1743 CH Best-connected municipalities46 min #10 AG · #369 CH Highest peaks571 m #125 AG · #1644 CH Highest-lying municipalities414 m #149 AG · #1932 CH Greatest vertical range271 m #58 AG · #1079 CH Steepest municipalities8.9° #64 AG · #1029 CH Solar potential5 GWh #193 AG · #1950 CH Cheapest electricity24.2 Rp./kWh #6 AG · #185 CH Most expensive electricity24.2 Rp./kWh #191 AG · #1922 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Giebenach4304 Olsberg4305

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Olsberg?: Olsberg has 2 postal codes: 4304, 4305.
What is the tax rate in Olsberg?: The municipal tax multiplier of Olsberg is 92% (2026); canton AG levies 103%.
How much tax do you pay in Olsberg?: A single person without children pays about 12'099 CHF income tax in Olsberg on 100'000 CHF gross income (federal, cantonal, municipal), rank 24 of 196 in canton AG. Source: ESTV (2026).
How many residents does Olsberg have?: Olsberg has 366 residents (2025).
How many foreign residents live in Olsberg?: Olsberg has 69 foreign residents, a share of 18.85% (2025).

Map

OpenStreetMap

Compare

Olsberg compared with