Demographics
BFS · 2025Women
1'072 47.7%
Men
1'177 52.3%
Children & youth (0–19)
398 17.7%
Swiss citizens
1'754 78.0%
Foreign residents
495 22.0%
Population density
231 pop./km²
0–19 · 398 · 17.7%20–64 · 1'344 · 59.8%65+ · 507 · 22.5%
Foreign residents 22.0%0%64.0%
Population change 2025: +40 (+1.8%) · 15 births · 22 deaths · net migration +40
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026
27.09.2026Popular Initiative 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'Federal● Rejected · 27.5% YesDistrict Bezirk Kulm: 23.1% Yes
21.3% YesNo 78.7%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Kulm: 41.0% Yes
47.9% YesNo 52.1%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Kulm: 61.0% Yes
64.1% YesNo 35.9%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Kulm: 66.5% Yes
74.8% YesNo 25.2%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Kulm: 36.9% Yes
35.0% YesNo 65.0%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Kulm: 65.8% Yes
65.6% YesNo 34.4%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Kulm: 42.2% Yes
41.9% YesNo 58.2%
08.03.2026Popular Initiative ‘For a fair energy and climate policy: Investing for prosperity, jobs and the environment (Climate Fund Initiative)’Federal● Rejected · 29.3% YesDistrict Bezirk Kulm: 17.3% Yes
14.2% YesNo 85.8%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Kulm: 51.6% Yes
59.1% YesNo 40.9%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Kulm: 48.0% Yes
52.6% YesNo 47.4%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP50.7% · strongest party
SVP50.7%
FDP12.4%
SP9.3%
EVP6.1%
Mitte5.5%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier117%
Cantonal tax multiplier103%
117%AG range 48%127%
Tax rank 157 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
13'432 CHF(13.4%)
Rank 152 of 196 in the canton · 669 of 2110 in Switzerland
Median canton 12'952 CHF · median Switzerland 15'290 CHF
Cheapest Oberwil-Lieli 9'753 CHF · most expensive Ammerswil 13'965 CHF
100'000 CHF:13'432 CHF(~13.4%)
GontenschwilCanton range AargauSwitzerland median
Show data table
| Gross income | Gontenschwil | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 5.4% | 3.8–5.6% | 5.4% |
| 50'000 | 7.3% | 5.2–7.7% | 7.8% |
| 60'000 | 9% | 6.4–9.3% | 10.5% |
| 70'000 | 10.3% | 7.4–10.7% | 11.9% |
| 80'000 | 11.4% | 8.2–11.9% | 13.1% |
| 90'000 | 12.3% | 8.9–12.8% | 14.1% |
| 100'000 | 13.4% | 9.8–14% | 15.3% |
| 110'000 | 14.4% | 10.5–14.9% | 16.3% |
| 120'000 | 15.2% | 11.2–15.8% | 17.2% |
| 130'000 | 15.9% | 11.7–16.5% | 18.1% |
| 140'000 | 16.7% | 12.4–17.3% | 19% |
| 150'000 | 17.4% | 13–18% | 19.7% |
| 175'000 | 19% | 14.4–19.7% | 21.6% |
| 200'000 | 20.4% | 15.5–21.1% | 23.2% |
| 225'000 | 21.7% | 16.6–22.4% | 24.6% |
| 250'000 | 22.8% | 17.6–23.6% | 25.8% |
| 275'000 | 23.8% | 18.4–24.5% | 26.8% |
| 300'000 | 24.5% | 19.1–25.3% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.1 °C
Precipitation 1991–20201'137 mm
9.1 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
750 m
Mean elevation
588 m
Relief
263 m
Mean slope
7.5°
Flat share
42.0%
South-facing
4.0%
Above 2000 m
0.0%
Relief 263 m0 m3'847 m
Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.
swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026
Roof potential
32.4 GWh/yr
Roofs + façades
41.7 GWh/yr
≈ households powered
7'200
Per inhabitant
14'420 kWh/yr
32 GWh/yr01'133 GWh/yr
BFE solar factsheet ↗Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).
Swiss Federal Office of Energy (SFOE), retrieved 24.09.2026
Electricity
ElCom · 2027Tariff H4
26.88 Rp./kWh
Energy
11.2 Rp./kWh
Grid usage
11.55 Rp./kWh
Levies + grid surcharge
2.8 Rp./kWh
26.88 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator EWS Energie AG
ElCom tariff comparison ↗How this is measured
Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.
2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026
Health-insurance premiums
BAG · 2024Standard model, deductible 300570 CHF/mo
Ø premium in canton Aargau392 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo
Premiums are set not per municipality but per canton and premium region. Shown is the average adult premium paid in canton Aargau (2024, BAG) — it applies canton-wide, not to any single location.
2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026
Housing
BFS · AREVacancy rate
1.2 %
Second homes
12.6 %
Avg. rooms
4.1
Dwellings
1'164
Built before 194639.7%
Built since 200118.6%
1.2 %0 %12 %
Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.
Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Economy
BFS · 2024Jobs
1'090
Workplaces
166
Services share
50.7 %
Jobs by sector: Primary 97 (8.9%) · Secondary 440 (40.4%) · Tertiary 553 (50.7%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
30
Organic share
13.3 %
Farmland
520 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Accessibility
ARE · NPVMNational Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Municipality
Wikidata · CC0Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities2'249 #104 AG · #909 CHGrowing municipalities1.8% #47 AG · #412 CHShrinking municipalities1.8% #150 AG · #1697 CHJobs per resident0.48 #40 AG · #585 CHFamilies & children17.7% #176 AG · #1712 CHAge structure22.5% #38 AG · #772 CHWomen share47.7% #181 AG · #1924 CHForeign residents22% #88 AG · #712 CHPopulation density231/km² #144 AG · #944 CHTax burden13'432 #154 AG · #671 CHTaxes117% #157 AGWarmest municipalities9.1 °C #191 AG · #1321 CHSunniest municipalities40.3% #61 AG · #1697 CHRainiest municipalities1'137 mm #18 AG · #888 CHVoter turnout54.1% #118 AG · #1348 CHAgainst Switzerland35.3% #1 AG · #15 CHAligned with Switzerland64.7% #165 AG · #1447 CHSVP strongholds50.7% #29 AG · #215 CHSP strongholds9.3% #158 AG · #1590 CHCentre strongholds5.5% #190 AG · #1739 CHFDP strongholds12.4% #80 AG · #1109 CHGLP strongholds2.9% #191 AG · #1606 CHGreen strongholds4.1% #158 AG · #1727 CHLargest by area9.7 km² #46 AG · #986 CHHighest municipalities533 m #30 AG · #1063 CHSecond homes12.6% #14 AG · #836 CHOrganic farming13.3% #75 AG · #993 CHBest-connected municipalities82 min #171 AG · #1391 CHRemotest municipalities82 min #24 AG · #722 CHHighest peaks750 m #30 AG · #1081 CHHighest-lying municipalities588 m #20 AG · #1052 CHGreatest vertical range263 m #62 AG · #1108 CHSteepest municipalities7.5° #90 AG · #1168 CHSolar potential32 GWh #54 AG · #618 CHSolar potential per capita14'420 kWh #8 AG · #480 CHCheapest electricity26.88 Rp./kWh #83 AG · #1093 CHMost expensive electricity26.88 Rp./kWh #111 AG · #1011 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 3Nearby municipalities
swisstopo- What is the postal code of Gontenschwil?
- Gontenschwil has 2 postal codes: 5046, 5728.
- What is the tax rate in Gontenschwil?
- The municipal tax multiplier of Gontenschwil is 117% (2026); canton AG levies 103%.
- How much tax do you pay in Gontenschwil?
- A single person without children pays about 13'432 CHF income tax in Gontenschwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 152 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Gontenschwil have?
- Gontenschwil has 2'249 residents (2025).
- How many foreign residents live in Gontenschwil?
- Gontenschwil has 495 foreign residents, a share of 22.01% (2025).
Map
OpenStreetMapGontenschwil compared with
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