Vicinus

Aargau · Bezirk Aarau · BFS commune no. 4001[7]

Coat of arms of AarauAarau

Left of CHF 100’000CHF 80’919per year, after tax and insurance
Income tax[1]CHF 12’31212.3% of income
Health insurance[3]CHF 564adult, per month
Residents[4]22’93223.5% foreign nationals
Nearest job hub[6]10 minto Aarau

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

Erlinsbach (SO)Eppenberg-WöschnauBibersteinBuchs (AG)Erlinsbach (AG)KüttigenSuhrUnterentfeldenRupperswil Erlinsbach (SO)Eppenberg-WöschnauBibersteinErlinsbach (AG)KüttigenSuhrUnterentfeldenRupperswil Aarau

Aarau has 22’932 residents, making it the 2nd largest of the 196 communes in the canton of Aargau.

23% of residents are foreign nationals, below the Swiss average of 28%.

A single person earning CHF 100’000 pays about CHF 12’312 a year in income tax here, less than in 8 of its 9 neighbouring communes and among the lowest quarter in Aargau.

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

The closest of our job hubs by public transport is Aarau, about 10 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 children3’343
6.7%		8’354
10.4%		12’312
12.3%		24’033
16.0%		37’844
18.9%		68’658
22.9%
Married, single income, no children1’306
2.6%		4’412
5.5%		7’256
7.3%		16’539
11.0%		29’586
14.8%		59’076
19.7%
Married, dual income (70/30), no children1’003
2.0%		4’007
5.0%		6’755
6.8%		15’511
10.3%		26’970
13.5%		55’875
18.6%
Married, single income, 2 children22
0.0%		1’897
2.4%		3’793
3.8%		11’933
8.0%		23’594
11.8%		52’899
17.6%

Tax multipliers 2026: canton 103%, commune 96%. Church tax, if you are a member: Protestant 15%, Roman Catholic 19%.[2]

Health insurance premiums 2027

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

Cheapest insurerMedian insurer
Adult (26+), CHF 300 deductible, without accident coverCHF 517CHF 564
Child (0–18), CHF 0 deductible, with accident coverCHF 121CHF 143

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
Aarau10
Olten29
Baden51
Dietikon55
Zürich HB58
Zürich Altstetten58
Schlieren59
Liestal61

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]
Erlinsbach (AG)11’9395644’650
Aarau12’31256422’932
Biberstein12’4725641’653
Rupperswil12’4725646’317
Küttigen12’7925647’025
Suhr13’16556411’760
Unterentfelden13’2195644’579
Buchs (AG)13’4855648’651
Eppenberg-WöschnauSO15’295590336
Erlinsbach (SO)SO16’0095903’761

Compare Aarau with: Suhr

Population

Residents22’932[4]
Foreign nationals23.5%
Aged 0–1918.0%
Aged 20–6463.5%
Aged 65+18.4%
Area12.34 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: CHE Aarau COA.svg, ARK, Public domain. Shown to identify the commune; Vicinus is not affiliated with it.