Vicinus

Aargau · Bezirk Zurzach · BFS commune no. 4310[7]

Coat of arms of KoblenzKoblenz

Left of CHF 100’000CHF 79’746per year, after tax and insurance
Income tax[1]CHF 13’48513.5% of income
Health insurance[3]CHF 564adult, per month
Residents[4]1’83548.3% foreign nationals
Nearest job hub[6]37 minto Baden

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

KlingnauLeuggernZurzach KlingnauLeuggernZurzach Koblenz

Koblenz has 1’835 residents, making it the 114th largest of the 196 communes in the canton of Aargau.

48% 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 13’485 a year in income tax here, more than in any of its 3 neighbouring communes and among the highest 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 Baden, about 37 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 children3’689
7.4%		9’178
11.5%		13’485
13.5%		26’136
17.4%		40’950
20.5%		73’866
24.6%
Married, single income, no children1’443
2.9%		4’850
6.1%		7’950
8.0%		18’014
12.0%		31’980
16.0%		63’420
21.1%
Married, dual income (70/30), no children1’114
2.2%		4’425
5.5%		7’438
7.4%		16’973
11.3%		29’308
14.7%		60’120
20.0%
Married, single income, 2 children24
0.0%		2’107
2.6%		4’212
4.2%		13’059
8.7%		25’600
12.8%		56’835
18.9%

Tax multipliers 2026: canton 103%, commune 118%. Church tax, if you are a member: Protestant 22%, Roman Catholic 25%.[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
Baden37
Dietikon59
Aarau62
Zürich Altstetten66
Schlieren66
Zürich HB73
Olten74
Zürich Oerlikon75

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]
Leuggern12’8995642’442
Klingnau13’2725643’710
Zurzach13’3255648’346
Koblenz13’4855641’835

Population

Residents1’835[4]
Foreign nationals48.3%
Aged 0–1919.5%
Aged 20–6463.9%
Aged 65+16.6%
Area4.08 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: Wappen Koblenz AG.svg, Unknown authorUnknown author, Public domain. Shown to identify the commune; Vicinus is not affiliated with it.