Vicinus

Solothurn · Bezirk Olten · BFS commune no. 2576[7]

Coat of arms of GretzenbachGretzenbach

Left of CHF 100’000CHF 76’359per year, after tax and insurance
Income tax[1]CHF 16’56316.6% of income
Health insurance[3]CHF 590adult, per month
Residents[4]2’82526.4% foreign nationals
Nearest job hub[6]30 minto Aarau

Single person, gross income CHF 100’000, median insurer. See how Gretzenbach ranks for your household →
Compare Gretzenbach with another commune →

NiedergösgenDänikenSchönenwerdWalterswil (SO)OberentfeldenKöllikenSafenwil NiedergösgenSchönenwerdWalterswil (SO)OberentfeldenKöllikenSafenwil Gretzenbach

Gretzenbach has 2’825 residents, making it the 33rd largest of the 104 communes in the canton of Solothurn.

26% of residents are foreign nationals, close to the Swiss average of 28%.

A single person earning CHF 100’000 pays about CHF 16’563 a year in income tax here, less than in 1 of its 7 neighbouring communes.

The median standard adult health insurance premium is CHF 590 a month, above the Swiss median of CHF 564.

The closest of our job hubs by public transport is Aarau, about 30 minutes away on a weekday morning.

Income tax

Income tax 2026 (federal, cantonal and communal; no church tax) for an employee with gross labour income of…[1]

ProfileCHF 50’000CHF 80’000CHF 100’000CHF 150’000CHF 200’000CHF 300’000
Single, no children5’089
10.2%		11’748
14.7%		16’563
16.6%		30’629
20.4%		47’004
23.5%		82’086
27.4%
Married, single income, no children1’713
3.4%		6’958
8.7%		11’184
11.2%		23’295
15.5%		38’648
19.3%		73’320
24.4%
Married, dual income (70/30), no children1’391
2.8%		6’346
7.9%		10’529
10.5%		22’122
14.7%		35’816
17.9%		69’768
23.3%
Married, single income, 2 children100
0.2%		2’520
3.1%		5’926
5.9%		17’178
11.5%		31’512
15.8%		65’736
21.9%

Tax multipliers 2026: canton 104%, commune 118%. Church tax, if you are a member: Protestant 17%, Roman Catholic 17%.[2]

Health insurance premiums 2027

Monthly basic insurance premium, standard model, single premium region of Solothurn.[3]

Cheapest insurerMedian insurer
Adult (26+), CHF 300 deductible, without accident coverCHF 553CHF 590
Child (0–18), CHF 0 deductible, with accident coverCHF 128CHF 149

Commute to job hubs

Median door-to-door time by public transport and on foot, weekday departures every minute 07:00–08:30, from the commune's busiest station. Includes waiting for the next departure.[6]

HubMinutes
Aarau30
Olten43
Dietikon69
Zürich Altstetten72
Schlieren73
Baden76
Bern77
Zürich HB78

Hubs more than 3 hours away are not listed. Commute to any commune or postcode: Ranking →

Compared with neighbouring communes

Single person, gross income CHF 100’000: income tax per year and median adult premium per month (CHF).

CommuneTax CHF/yr[1]Premium CHF/mo[3]Population[4]
OberentfeldenAG13’2195649’061
SafenwilAG13’3255644’629
KöllikenAG13’5395645’133
Däniken14’0385903’108
Niedergösgen16’0095904’297
Schönenwerd16’3635905’437
Gretzenbach16’5635902’825
Walterswil (SO)17’020590768

Population

Residents2’825[4]
Foreign nationals26.4%
Aged 0–1921.7%
Aged 20–6456.6%
Aged 65+21.7%
Area5.83 km²[5]

Sources

  1. Source: Federal Tax Administration (FTA/ESTV), tax burden statistics 2026. Tax burden in the communes, tax year 2026; reference date tax year 2026; downloaded 2026-11-03. Licence.
  2. Source: Federal Tax Administration (FTA/ESTV), tax multipliers 2026. Tax multipliers (income tax), tax year 2026; reference date tax year 2026; downloaded 2026-11-03. Licence.
  3. Source: Federal Office of Public Health (FOPH), health insurance premiums 2027. Health insurance premiums 2027 (mandatory basic insurance); reference date 2027 premiums (published Sept 2026); downloaded 2026-11-03. Licence.
  4. Source: Federal Statistical Office (FSO/BFS), STATPOP 2025. Permanent resident population (STATPOP) 2025; reference date 2025-12-31; downloaded 2026-11-03. Licence.
  5. © swisstopo. swissBOUNDARIES3D (swissboundaries3d_2026-01); reference date 2026-01-01; downloaded 2026-11-03. Licence.
  6. Timetable: opentransportdata.swiss; walking network © OpenStreetMap contributors. Public transport commute to job hubs (computed); reference date timetable fahrplan-2026-gtfs2020, 2026-11-03 07:00–08:30; downloaded 2026-11-02. Licence.
  7. Source: Federal Statistical Office (FSO/BFS), Swiss official commune register. Swiss official commune register (historicized); reference date 2026-11-03; downloaded 2026-11-03. Licence.
  10. Wikimedia Commons. Coats of arms of Swiss communes; reference date 2026-11-03; downloaded 2026-11-03. Licence.

Coat of arms: Gretzenbach-blason.png, Voyager, Public domain. Shown to identify the commune; Vicinus is not affiliated with it.