What is the postal code of Gretzenbach?

Gretzenbach has 2 postal codes: 4658, 5014.

What is the tax rate in Gretzenbach?

The municipal tax multiplier of Gretzenbach is 118% (2026); canton SO levies 104%.

How much tax do you pay in Gretzenbach?

A single person without children pays about 16'563 CHF income tax in Gretzenbach on 100'000 CHF gross income (federal, cantonal, municipal), rank 41 of 104 in canton SO. Source: ESTV (2026).

How many residents does Gretzenbach have?

Gretzenbach has 2'825 residents (2025).

How many foreign residents live in Gretzenbach?

Gretzenbach has 747 foreign residents, a share of 26.44% (2025).

Switzerland · Canton SO

Gretzenbach

4658–5014

SO CANTON4658 5014

Residents

2'825

Area

5.8 km²

Population density

485 pop./km²

Elevation

398 m a.s.l.

Tax multiplier

118%

Postal codes

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

Demographics

BFS · 2025

Women

1'425 50.4%

Men

1'400 49.6%

Children & youth (0–19)

613 21.7%

Swiss citizens

2'078 73.6%

Foreign residents

747 26.4%

Population density

485 pop./km²

0–19 · 613 · 21.7%20–64 · 1'600 · 56.6%65+ · 612 · 21.7%

Foreign residents 26.4%0%64.0%

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

Vote results for Gretzenbach

BFS

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

63.1% YesNo 36.9%

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

55.4% YesNo 44.6%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% Yes

55.6% YesNo 44.4%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% Yes

55.9% YesNo 44.1%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

49.8% YesNo 50.2%

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

18.8% YesNo 81.2%

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

43.3% YesNo 56.7%

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

41.4% YesNo 58.6%

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

71.4% YesNo 28.6%

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

46.8% YesNo 53.2%

All federal votes →

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

Politics

National Council election 2023

SVP35.2% · strongest party

SVP35.2%

Mitte19.5%

FDP17.5%

SP13.1%

GRÜNE6.4%

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

Taxes 2026

ESTV

Municipal tax multiplier118%

Cantonal tax multiplier104%

118%SO range 65%145%

Tax rank 42 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

16'563 CHF(16.6%)

Rank 41 of 104 in the canton · 1641 of 2110 in Switzerland

Median canton 16'810 CHF · median Switzerland 15'290 CHF

Cheapest Kammersrohr 13'027 CHF · most expensive Bolken 18'375 CHF

Income tax as % of gross income

100'000 CHF:16'563 CHF(~16.6%)

GretzenbachCanton range SolothurnSwitzerland median

Show data table

Gross income	Gretzenbach	Solothurn	Switzerland median
40'000	7.9%	6.1–8.8%	5.4%
50'000	10.2%	7.9–11.4%	7.8%
60'000	12.1%	9.4–13.5%	10.5%
70'000	13.5%	10.5–15.1%	11.9%
80'000	14.7%	11.5–16.3%	13.1%
90'000	15.6%	12.2–17.3%	14.1%
100'000	16.6%	13–18.4%	15.3%
110'000	17.4%	13.8–19.3%	16.3%
120'000	18.2%	14.4–20.1%	17.2%
130'000	18.9%	15.1–20.9%	18.1%
140'000	19.7%	15.7–21.8%	19%
150'000	20.4%	16.4–22.5%	19.7%
175'000	22.1%	17.8–24.3%	21.6%
200'000	23.5%	19.1–25.8%	23.2%
225'000	24.7%	20.1–27%	24.6%
250'000	25.8%	21.1–28.2%	25.8%
275'000	26.6%	21.9–29.1%	26.8%
300'000	27.4%	22.5–29.8%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–202010 °C

Precipitation 1991–20201'086 mm

10 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

516 m

Mean elevation

430 m

Relief

145 m

Mean slope

6.3°

Flat share

44.9%

South-facing

8.7%

Above 2000 m

0.0%

Relief 145 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

29 GWh/yr

Roofs + façades

36.7 GWh/yr

≈ households powered

6'400

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

26.65 Rp./kWh

Energy

15.2 Rp./kWh

Grid usage

7.07 Rp./kWh

Levies + grid surcharge

3.3 Rp./kWh

26.65 Rp./kWh9.6443.61

Canton median 30.42 Rp./kWhSwiss median 27.7 Rp./kWh

Network operator Elektra Gretzenbach 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

2.64 %

Avg. rooms

4.4

Dwellings

1'288

Built before 194619.5%

Built since 200124.5%

2.64 %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 60 min · Car 53 min

AgglomerationPT 24 min · Car 13 min

Remoteness 67/104 in canton

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

Municipality

Wikidata · CC0

Websitegretzenbach.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities2'825 #32 SO · #762 CH Families & children21.7% #10 SO · #608 CH Age structure21.7% #62 SO · #911 CH Women share50.4% #35 SO · #682 CH Foreign residents26.4% #23 SO · #475 CH Population density485/km² #32 SO · #520 CH Tax burden16'563 #41 SO · #1641 CH Taxes118% #42 SO Warmest municipalities10 °C #11 SO · #503 CH Sunniest municipalities40% #96 SO · #1879 CH Rainiest municipalities1'086 mm #70 SO · #1178 CH Voter turnout52.2% #53 SO · #1439 CH Against Switzerland12% #49 SO · #1118 CH Aligned with Switzerland88% #34 SO · #342 CH SVP strongholds35.2% #31 SO · #955 CH SP strongholds13.1% #56 SO · #1153 CH Centre strongholds19.5% #47 SO · #554 CH FDP strongholds17.5% #41 SO · #612 CH GLP strongholds3.9% #82 SO · #1424 CH Green strongholds6.4% #57 SO · #1223 CH Largest by area5.8 km² #55 SO · #1421 CH Highest municipalities398 m #95 SO · #1903 CH Remotest municipalities60 min #67 SO · #1334 CH Best-connected municipalities60 min #37 SO · #774 CH Highest peaks516 m #78 SO · #1823 CH Highest-lying municipalities430 m #92 SO · #1867 CH Greatest vertical range145 m #66 SO · #1612 CH Steepest municipalities6.3° #63 SO · #1349 CH Solar potential29 GWh #29 SO · #703 CH Cheapest electricity26.65 Rp./kWh #3 SO · #548 CH Most expensive electricity26.65 Rp./kWh #102 SO · #1559 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Däniken SO4658 Gretzenbach5014

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Gretzenbach?: Gretzenbach has 2 postal codes: 4658, 5014.
What is the tax rate in Gretzenbach?: The municipal tax multiplier of Gretzenbach is 118% (2026); canton SO levies 104%.
How much tax do you pay in Gretzenbach?: A single person without children pays about 16'563 CHF income tax in Gretzenbach on 100'000 CHF gross income (federal, cantonal, municipal), rank 41 of 104 in canton SO. Source: ESTV (2026).
How many residents does Gretzenbach have?: Gretzenbach has 2'825 residents (2025).
How many foreign residents live in Gretzenbach?: Gretzenbach has 747 foreign residents, a share of 26.44% (2025).

Map

OpenStreetMap

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