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Municipal profile

Coat of arms of Seengen

Seengen

Canton: Aargau (AG)

Civiora Index

Derived from official data

65/100

Above the median

National rank: 543 / 2’110 · Top 26% nationally

Taxes95/100
Premiums56/100
Electricity19/100
Housing66/100
PT service64/100

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

Median altitude532 m
Area9.7 km²
Postcode5707
FSO no.4208
DistrictBezirk Lenzburg
Tax burden9.3 %Single, CHF 80’000 · 2026 less than SwitzerlandSwiss median: 13.1 %
Electricity price29.9 ct./kWhH4 · 2027 more than SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums599 CHF/monthAdult · 2027 in line with SwitzerlandSwiss median: 599 CHF
Population4’516+9.6 % over 5 years (2020–2025) more than SwitzerlandSwiss median: +4.4 %
Vacancy rate1.15 %01.06.2026 more than SwitzerlandSwiss median: 0.83 %
Public transport stops9No rail stop (bus/other)

Taxes: tax burden by scenario

Tax burden ranking →Official

On a salary of CHF 80’000 a year, a single person in Seengen pays 9.3% of their gross income in tax, or about CHF 7’460 a year. That is CHF 3’030 less than in the median Swiss municipality.

SeengenSwiss median
Single, CHF 80’000 approx. 7’460 CHF/year3’030 CHF/year less
9.3 %
13.1 %
Single, CHF 120’000 approx. 15’070 CHF/year5’630 CHF/year less
12.6 %
17.2 %
Married couple, CHF 120’000 approx. 9’590 CHF/year3’880 CHF/year less
8.0 %
11.2 %
Family, 2 children, CHF 150’000 approx. 10’710 CHF/year4’200 CHF/year less
7.1 %
9.9 %
Retiree, CHF 80’000 approx. 9’400 CHF/year3’580 CHF/year less
11.8 %
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 Seengen pays 29.86 ct. per kWh, or about CHF 1’340 a year. That is CHF 133 a year more than in the median Swiss municipality.

29.86 ct./kWh

more than SwitzerlandSwiss median: 26.91 ct./kWh

Tariff breakdown

Energy (the electricity itself) 10.37Grid (delivery to the meter) 14.95Levies and surcharge (public charges and levies) 4.54ct./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 Seengen 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

Seengen has 4’516 inhabitants at the end of 2025, 9.6% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

4’516 inhabitants

Density: 466 inhab./km² · 2025

+0.5 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 19.4 %20–64 years 57.7 %65 and over 22.9 %

About 1 resident in 5 is under 20, and 1 in 4 is 65 or over. About 1 resident in 8 (12.8%) holds 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, 1.15% of homes in Seengen were vacant, about 1 in 87 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings2501.06.2026
Housing stock (2024)2’121

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

Seengen has 9 public transport stops. On an ordinary Tuesday, 7 departures are scheduled across all stops, 0 of them after 8 pm.

Public transport stops9No rail stop (bus/other)
Departures on a typical Tuesday7of which evening (from 8 pm): 0 (0 %)
Departures on a typical Sunday13186 % of the typical Tuesday
Public transport stops / 1’0001.99Swiss 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

Seengen’s territory is 13.8% built-up, 51.7% farmland and 32.7% forest (survey 2004/2009).

Built-up 13.8 %Farmland 51.7 %Forest 32.7 %Other (water, rock…) 1.8 %
Jobs1’213reference year 2018
Establishments256reference year 2018
Social assistance rate0.6 %reference year 2019

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