Vicinus

Solothurn · Bezirk Gäu · BFS commune no. 2406[7]

Coat of arms of OberbuchsitenOberbuchsiten

Left of CHF 100’000CHF 77’093per year, after tax and insurance
Income tax[1]CHF 15’82915.8% of income
Health insurance[3]CHF 590adult, per month
Residents[4]2’38232.0% foreign nationals
Nearest job hub[6]56 minto Olten

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

EgerkingenKestenholzNeuendorfNiederbuchsitenOensingenBalsthalHolderbank (SO) EgerkingenKestenholzNeuendorfNiederbuchsitenOensingenBalsthalHolderbank (SO) Oberbuchsiten

Oberbuchsiten has 2’382 residents, making it the 40th largest of the 104 communes in the canton of Solothurn.

32% of residents are foreign nationals, above the Swiss average of 28%.

With 17% of residents aged 65 or over, the population is younger than the Swiss average (20%).

A single person earning CHF 100’000 pays about CHF 15’829 a year in income tax here, less than in 6 of its 7 neighbouring communes and among the lowest quarter in Solothurn.

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 Olten, about 56 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 children4’850
9.7%
11’214
14.0%
15’829
15.8%
29’361
19.6%
45’160
22.6%
79’089
26.4%
Married, single income, no children1’637
3.3%
6’641
8.3%
10’684
10.7%
22’305
14.9%
37’132
18.6%
70’671
23.6%
Married, dual income (70/30), no children1’327
2.7%
6’047
7.6%
10’041
10.0%
21’145
14.1%
34’334
17.2%
67’179
22.4%
Married, single income, 2 children100
0.2%
2’401
3.0%
5’637
5.6%
16’418
10.9%
30’224
15.1%
63’342
21.1%

Tax multipliers 2026: canton 104%, commune 107%. Church tax, if you are a member: Protestant 18%, Roman Catholic 20%.[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
Olten56
Solothurn58
Aarau77
Biel/Bienne81
Bern88
Liestal91
Basel SBB92
Zürich Altstetten101

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]
Oberbuchsiten15’8295902’382
Niederbuchsiten15’8295901’369
Egerkingen16’1835904’365
Oensingen16’4105906’766
Kestenholz16’4765901’888
Neuendorf16’6975902’412
Balsthal17’0105906’622
Holderbank (SO)17’497590779

Population

Residents2’382[4]
Foreign nationals32.0%
Aged 0–1919.9%
Aged 20–6463.5%
Aged 65+16.6%
Area9.39 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.
  8. Wikimedia Commons. Coats of arms of Swiss communes; reference date 2026-11-03; downloaded 2026-11-03. Licence.

Coat of arms: Oberbuchsiten-blazon.svg, Taktaal, Public domain. Shown to identify the commune; Vicinus is not affiliated with it.