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Municipal profile

Coat of arms of Buchs (AG)

Buchs (AG)

Canton: Aargau (AG)

Civiora Index

Derived from official data

68/100

Above the median

National rank: 413 / 2’110 · Top 20% nationally

Taxes70/100
Premiums56/100
Electricity76/100
Housing49/100
PT service84/100

Confidence level: high · v1.1.0 · Civiora Index computed from official public data. Proprietary, non-official index. Understand the index

Median altitude383 m
Area5.3 km²
Postcode5033
FSO no.4003
DistrictBezirk Aarau
Tax burden11.5 %Single, CHF 80’000 · 2026 less than SwitzerlandSwiss median: 13.1 %
Electricity price25.4 ct./kWhH4 · 2027 less than SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums599 CHF/monthAdult · 2027 in line with SwitzerlandSwiss median: 599 CHF
Population8’651+6.5 % over 5 years (2020–2025) more than SwitzerlandSwiss median: +4.4 %
Vacancy rate0.77 %01.06.2026 less than SwitzerlandSwiss median: 0.83 %
Public transport stops10At least one rail stop

Taxes: tax burden by scenario

Tax burden ranking →Official

On a salary of CHF 80’000 a year, a single person in Buchs (AG) pays 11.5% of their gross income in tax, or about CHF 9’180 a year. That is CHF 1’310 less than in the median Swiss municipality.

Buchs (AG)Swiss median
Single, CHF 80’000 approx. 9’180 CHF/year1’310 CHF/year less
11.5 %
13.1 %
Single, CHF 120’000 approx. 18’290 CHF/year2’410 CHF/year less
15.2 %
17.2 %
Married couple, CHF 120’000 approx. 11’660 CHF/year1’800 CHF/year less
9.7 %
11.2 %
Family, 2 children, CHF 150’000 approx. 13’070 CHF/year1’840 CHF/year less
8.7 %
9.9 %
Retiree, CHF 80’000 approx. 11’550 CHF/year1’430 CHF/year less
14.4 %
16.2 %

2026 tax burden in % of gross income (federal, cantonal and communal taxes; earned income, no wealth, no church tax). Calculation FTA, Swiss tax calculator.

Federal Tax Administration (FTA)Tax burden 2026: Swiss tax calculator (model cases)View source

Electricity

2027 tariff ranking →Official

A typical household (profile H4, 4’500 kWh a year) in Buchs (AG) pays 25.36 ct. per kWh, or about CHF 1’140 a year. That is CHF 70 a year less than in the median Swiss municipality.

25.36 ct./kWh

less than SwitzerlandSwiss median: 26.91 ct./kWh

Tariff breakdown

Energy (the electricity itself) 9.68Grid (delivery to the meter) 10.88Levies and surcharge (public charges and levies) 4.80ct./kWh

Federal Electricity Commission (ElCom)Electricity tariffs 2027, profile H4, standard productView source

Health insurance premiums

2027 premium ranking →Derived from official data

An adult in Buchs (AG) pays a median CHF 599 a month for basic health insurance, or about CHF 7’190 a year (CHF 300 deductible, accident cover included). That is in line with the Swiss median (CHF 599).

599 CHF/month

in line with SwitzerlandSwiss median: 599 CHF

Median monthly premium 2027, adult (26+), CHF 300 deductible, with accident, standard model: median of the 27 offers in premium region AG-0 (Civiora calculation on FOPH data).

Official FOPH average premiums 2027 (all deductibles and models)

Adult464.70 CHF/monthapprox. 5’580 CHF/year
19–25 years315.90 CHF/monthapprox. 3’790 CHF/year
Child121.30 CHF/monthapprox. 1’460 CHF/year

Federal Office of Public Health (FOPH)Compulsory health insurance premiums 2027 (priminfo)View source

Population and demographics

Official

Buchs (AG) has 8’651 inhabitants at the end of 2025, 6.5% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

8’651 inhabitants

Density: 1’626 inhab./km² · 2025

+1.9 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 21.9 %20–64 years 61.1 %65 and over 17.0 %

About 1 resident in 5 is under 20, and 1 in 6 is 65 or over. About 4 in 10 residents (37.9%) hold a foreign nationality.

Federal Statistical Office (FSO)STATPOP: permanent resident population (STAT-TAB), status 31.12.2025View source

Housing

Vacancy rate ranking →Official

On 1 June 2026, 0.77% of homes in Buchs (AG) were vacant, about 1 in 130 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings3001.06.2026
Housing stock (2024)3’907

Federal Statistical Office (FSO)Vacant dwellings count, 1 June 2026View source

Federal Statistical Office (FSO)Buildings and dwellings statistics (GWS): housing stock 2024View source

Public transport

Derived from official data

Buchs (AG) has 10 public transport stops. On an ordinary Tuesday, 1’908 departures are scheduled across all stops, 356 of them after 8 pm.

Public transport stops10At least one rail stop
Departures on a typical Tuesday1’908of which evening (from 8 pm): 356 (19 %)
Departures on a typical Sunday1’48478 % of the typical Tuesday
Public transport stops / 1’0001.16Swiss median: 3.33

Departures counted in the official 2026 timetable (GTFS) on typical days: Tuesday 08.09.2026 and Sunday 13.09.2026. Every call at every stop in the municipality counts as one departure. Civiora calculation.

opentransportdata.swiss (ATLAS, SBB on behalf of the Confederation)Public transport service points, status 04.08.2026View source

opentransportdata.swiss (official GTFS timetable)2026 timetable (GTFS, 01.08.2026 edition): typical daysView source

Territory and local economy

Official

Buchs (AG)’s territory is 45.9% built-up, 11.5% farmland and 42.1% forest (survey 2004/2009).

Built-up 45.9 %Farmland 11.5 %Forest 42.1 %Other (water, rock…) 0.6 %
Jobs5’689reference year 2018
Social assistance rate3.6 %reference year 2019

Federal Statistical Office (FSO)Regional portraits 2021: key figures of communesView source