Demographics
BFS · 2025Women
1'328 49.2%
Men
1'371 50.8%
Children & youth (0–19)
534 19.8%
Swiss citizens
2'341 86.7%
Foreign residents
358 13.3%
Population density
504 pop./km²
0–19 · 534 · 19.8%20–64 · 1'605 · 59.5%65+ · 560 · 20.7%
Foreign residents 13.3%0%64.0%
Population change 2025: +72 (+2.7%) · 29 births · 20 deaths · net migration +59
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 Bremgarten: 23.2% Yes
22.5% YesNo 77.5%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Bremgarten: 31.4% Yes
34.1% YesNo 65.9%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Bremgarten: 58.4% Yes
64.3% YesNo 35.7%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Bremgarten: 54.9% Yes
56.9% YesNo 43.1%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Bremgarten: 40.2% Yes
36.5% YesNo 63.5%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Bremgarten: 49.3% Yes
56.9% YesNo 43.1%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Bremgarten: 48.4% Yes
50.2% YesNo 49.8%
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 Bremgarten: 20.5% Yes
19.4% YesNo 80.6%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Bremgarten: 44.8% Yes
47.6% YesNo 52.4%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Bremgarten: 38.6% Yes
34.4% YesNo 65.6%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP45.6% · strongest party
SVP45.6%
FDP16.3%
Mitte10.3%
GLP9.7%
SP8.6%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier48%
Cantonal tax multiplier103%
48%AG range 48%127%
Tax rank 1 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
9'753 CHF(9.8%)
Rank 1 of 196 in the canton · 51 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:9'753 CHF(~9.8%)
Oberwil-LieliCanton range AargauSwitzerland median
Show data table
| Gross income | Oberwil-Lieli | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 3.8% | 3.8–5.6% | 5.4% |
| 50'000 | 5.2% | 5.2–7.7% | 7.8% |
| 60'000 | 6.4% | 6.4–9.3% | 10.5% |
| 70'000 | 7.4% | 7.4–10.7% | 11.9% |
| 80'000 | 8.2% | 8.2–11.9% | 13.1% |
| 90'000 | 8.9% | 8.9–12.8% | 14.1% |
| 100'000 | 9.8% | 9.8–14% | 15.3% |
| 110'000 | 10.5% | 10.5–14.9% | 16.3% |
| 120'000 | 11.2% | 11.2–15.8% | 17.2% |
| 130'000 | 11.7% | 11.7–16.5% | 18.1% |
| 140'000 | 12.4% | 12.4–17.3% | 19% |
| 150'000 | 13% | 13–18% | 19.7% |
| 175'000 | 14.4% | 14.4–19.7% | 21.6% |
| 200'000 | 15.5% | 15.5–21.1% | 23.2% |
| 225'000 | 16.6% | 16.6–22.4% | 24.6% |
| 250'000 | 17.6% | 17.6–23.6% | 25.8% |
| 275'000 | 18.4% | 18.4–24.5% | 26.8% |
| 300'000 | 19.1% | 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
675 m
Mean elevation
577 m
Relief
223 m
Mean slope
5.1°
Flat share
57.0%
South-facing
20.8%
Above 2000 m
0.0%
Relief 223 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
21.1 GWh/yr
Roofs + façades
27.4 GWh/yr
≈ households powered
4'700
Per inhabitant
7'814 kWh/yr
21 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
27.35 Rp./kWh
Energy
13.5 Rp./kWh
Grid usage
9.42 Rp./kWh
Levies + grid surcharge
3.1 Rp./kWh
27.35 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Gemeinde Oberwil-Lieli, Elektrizitätsversorgung
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
0.63 %
Second homes
11.6 %
Avg. rooms
4.2
Dwellings
1'264
Built before 19468.1%
Built since 200140.0%
0.63 %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
558
Workplaces
177
Services share
67 %
Jobs by sector: Primary 89 (15.9%) · Secondary 95 (17.0%) · Tertiary 374 (67.0%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
14
Organic share
42.9 %
Farmland
381 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 municipalities2'699 #91 AG · #793 CHGrowing municipalities2.7% #24 AG · #192 CHShrinking municipalities2.7% #173 AG · #1915 CHJobs per resident0.21 #153 AG · #1735 CHFamilies & children19.8% #123 AG · #1227 CHAge structure20.7% #65 AG · #1100 CHWomen share49.2% #112 AG · #1435 CHForeign residents13.3% #171 AG · #1431 CHPopulation density504/km² #80 AG · #500 CHTax burden9'753 #1 AG · #51 CHTaxes48% #1 AGWarmest municipalities9.1 °C #190 AG · #1320 CHSunniest municipalities40.4% #46 AG · #1651 CHRainiest municipalities1'137 mm #17 AG · #887 CHVoter turnout63.4% #11 AG · #295 CHAgainst Switzerland12.7% #102 AG · #1074 CHAligned with Switzerland87.3% #60 AG · #404 CHSVP strongholds45.6% #65 AG · #372 CHSP strongholds8.6% #164 AG · #1642 CHCentre strongholds10.3% #119 AG · #1177 CHFDP strongholds16.3% #21 AG · #713 CHGLP strongholds9.7% #40 AG · #360 CHGreen strongholds6.9% #54 AG · #1125 CHLargest by area5.4 km² #113 AG · #1502 CHHighest municipalities565 m #15 AG · #947 CHSecond homes11.6% #20 AG · #957 CHOrganic farming42.9% #5 AG · #177 CHBest-connected municipalities42 min #6 AG · #275 CHRemotest municipalities42 min #190 AG · #1833 CHHighest peaks675 m #62 AG · #1283 CHHighest-lying municipalities577 m #26 AG · #1105 CHGreatest vertical range223 m #93 AG · #1259 CHSteepest municipalities5.1° #148 AG · #1550 CHSolar potential21 GWh #101 AG · #971 CHSolar potential per capita7'814 kWh #115 AG · #1503 CHCheapest electricity27.35 Rp./kWh #95 AG · #1159 CHMost expensive electricity27.35 Rp./kWh #102 AG · #948 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Oberwil-Lieli?
- The postal code of Oberwil-Lieli is 8966.
- What is the tax rate in Oberwil-Lieli?
- The municipal tax multiplier of Oberwil-Lieli is 48% (2026); canton AG levies 103%.
- How much tax do you pay in Oberwil-Lieli?
- A single person without children pays about 9'753 CHF income tax in Oberwil-Lieli on 100'000 CHF gross income (federal, cantonal, municipal), rank 1 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Oberwil-Lieli have?
- Oberwil-Lieli has 2'699 residents (2025).
- How many foreign residents live in Oberwil-Lieli?
- Oberwil-Lieli has 358 foreign residents, a share of 13.26% (2025).
Map
OpenStreetMapOberwil-Lieli compared with
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