Demographics
BFS · 2025Women
513 49.3%
Men
527 50.7%
Children & youth (0–19)
211 20.3%
Swiss citizens
805 77.4%
Foreign residents
235 22.6%
Population density
477 pop./km²
0–19 · 211 · 20.3%20–64 · 643 · 61.8%65+ · 186 · 17.9%
Foreign residents 22.6%0%64.0%
Population change 2025: +16 (+1.6%) · 9 births · 7 deaths · net migration +13
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 Lenzburg: 25.6% Yes
29.4% YesNo 70.6%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Lenzburg: 31.6% Yes
36.0% YesNo 64.0%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Lenzburg: 56.9% Yes
55.2% YesNo 44.8%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Lenzburg: 54.0% Yes
64.3% YesNo 35.7%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Lenzburg: 42.3% Yes
42.1% YesNo 58.0%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Lenzburg: 60.2% Yes
51.8% YesNo 48.2%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Lenzburg: 48.8% Yes
48.0% YesNo 52.0%
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 Lenzburg: 22.8% Yes
20.6% YesNo 79.4%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Lenzburg: 44.0% Yes
53.5% YesNo 46.5%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Lenzburg: 37.2% Yes
46.6% YesNo 53.4%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP53.6% · strongest party
SVP53.6%
SP10.4%
FDP8.2%
Mitte6.8%
GRÜNE5.8%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier126%
Cantonal tax multiplier103%
126%AG range 48%127%
Tax rank 193 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
13'912 CHF(13.9%)
Rank 193 of 196 in the canton · 814 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:13'912 CHF(~13.9%)
HallwilCanton range AargauSwitzerland median
Show data table
| Gross income | Hallwil | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 5.6% | 3.8–5.6% | 5.4% |
| 50'000 | 7.6% | 5.2–7.7% | 7.8% |
| 60'000 | 9.3% | 6.4–9.3% | 10.5% |
| 70'000 | 10.7% | 7.4–10.7% | 11.9% |
| 80'000 | 11.8% | 8.2–11.9% | 13.1% |
| 90'000 | 12.8% | 8.9–12.8% | 14.1% |
| 100'000 | 13.9% | 9.8–14% | 15.3% |
| 110'000 | 14.9% | 10.5–14.9% | 16.3% |
| 120'000 | 15.7% | 11.2–15.8% | 17.2% |
| 130'000 | 16.4% | 11.7–16.5% | 18.1% |
| 140'000 | 17.2% | 12.4–17.3% | 19% |
| 150'000 | 17.9% | 13–18% | 19.7% |
| 175'000 | 19.6% | 14.4–19.7% | 21.6% |
| 200'000 | 21% | 15.5–21.1% | 23.2% |
| 225'000 | 22.3% | 16.6–22.4% | 24.6% |
| 250'000 | 23.5% | 17.6–23.6% | 25.8% |
| 275'000 | 24.5% | 18.4–24.5% | 26.8% |
| 300'000 | 25.3% | 19.1–25.3% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.7 °C
Precipitation 1991–20201'103 mm
9.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
546 m
Mean elevation
477 m
Relief
106 m
Mean slope
5.2°
Flat share
59.1%
South-facing
0.4%
Above 2000 m
0.0%
Relief 106 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
11.2 GWh/yr
Roofs + façades
14.3 GWh/yr
≈ households powered
2'500
Per inhabitant
10'808 kWh/yr
11 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
29.86 Rp./kWh
Energy
10.37 Rp./kWh
Grid usage
14.95 Rp./kWh
Levies + grid surcharge
3.24 Rp./kWh
29.86 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator AEW 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
1.91 %
Second homes
10 %
Avg. rooms
3.9
Dwellings
524
Built before 194622.5%
Built since 200130.3%
1.91 %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
299
Workplaces
84
Services share
61.9 %
Jobs by sector: Primary 11 (3.7%) · Secondary 103 (34.4%) · Tertiary 185 (61.9%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
4
Organic share
25 %
Farmland
105 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 municipalities1'040 #162 AG · #1433 CHGrowing municipalities1.6% #54 AG · #502 CHShrinking municipalities1.6% #141 AG · #1609 CHJobs per resident0.29 #100 AG · #1339 CHFamilies & children20.3% #101 AG · #1048 CHAge structure17.9% #148 AG · #1664 CHWomen share49.3% #107 AG · #1393 CHForeign residents22.6% #81 AG · #676 CHPopulation density477/km² #87 AG · #527 CHTax burden13'912 #193 AG · #815 CHTaxes126% #193 AGWarmest municipalities9.7 °C #123 AG · #825 CHSunniest municipalities40.4% #50 AG · #1655 CHRainiest municipalities1'103 mm #80 AG · #1089 CHVoter turnout52.4% #140 AG · #1548 CHAgainst Switzerland29% #6 AG · #91 CHAligned with Switzerland71% #160 AG · #1367 CHSVP strongholds53.6% #17 AG · #148 CHSP strongholds10.4% #141 AG · #1482 CHCentre strongholds6.8% #179 AG · #1596 CHFDP strongholds8.2% #171 AG · #1575 CHGLP strongholds5.7% #142 AG · #1039 CHGreen strongholds5.8% #93 AG · #1384 CHLargest by area2.2 km² #191 AG · #1987 CHHighest municipalities479 m #59 AG · #1327 CHSecond homes10% #39 AG · #1200 CHOrganic farming25% #28 AG · #462 CHBest-connected municipalities65 min #112 AG · #948 CHRemotest municipalities65 min #88 AG · #1178 CHHighest peaks546 m #142 AG · #1730 CHHighest-lying municipalities477 m #90 AG · #1548 CHGreatest vertical range106 m #180 AG · #1802 CHSteepest municipalities5.2° #145 AG · #1533 CHSolar potential11 GWh #155 AG · #1463 CHSolar potential per capita10'808 kWh #44 AG · #938 CHCheapest electricity29.86 Rp./kWh #166 AG · #1771 CHMost expensive electricity29.86 Rp./kWh #29 AG · #334 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Hallwil?
- The postal code of Hallwil is 5705.
- What is the tax rate in Hallwil?
- The municipal tax multiplier of Hallwil is 126% (2026); canton AG levies 103%.
- How much tax do you pay in Hallwil?
- A single person without children pays about 13'912 CHF income tax in Hallwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 193 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Hallwil have?
- Hallwil has 1'040 residents (2025).
- How many foreign residents live in Hallwil?
- Hallwil has 235 foreign residents, a share of 22.6% (2025).
Map
OpenStreetMapHallwil compared with
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