Demographics
BFS · 2025Women
906 50.5%
Men
889 49.5%
Children & youth (0–19)
331 18.4%
Swiss citizens
1'453 81.0%
Foreign residents
342 19.1%
Population density
643 pop./km²
0–19 · 331 · 18.4%20–64 · 1'099 · 61.2%65+ · 365 · 20.3%
Foreign residents 19.1%0%64.0%
Population change 2025: +25 (+1.4%) · 15 births · 18 deaths · net migration +25
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
30.4% YesNo 69.7%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Lenzburg: 31.6% Yes
41.8% YesNo 58.2%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Lenzburg: 56.9% Yes
59.2% YesNo 40.8%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Lenzburg: 54.0% Yes
62.8% YesNo 37.2%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Lenzburg: 42.3% Yes
47.7% YesNo 52.3%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Lenzburg: 60.2% Yes
61.0% YesNo 39.0%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Lenzburg: 48.8% Yes
42.8% YesNo 57.2%
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 Lenzburg: 22.8% Yes
21.6% YesNo 78.4%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Lenzburg: 44.0% Yes
48.0% YesNo 52.0%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Lenzburg: 37.2% Yes
44.2% YesNo 55.8%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP42.9% · strongest party
SVP42.9%
FDP12.5%
SP11.1%
GLP8.9%
Mitte8.7%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier105%
Cantonal tax multiplier103%
105%AG range 48%127%
Tax rank 82 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
12'792 CHF(12.8%)
Rank 77 of 196 in the canton · 463 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:12'792 CHF(~12.8%)
BoniswilCanton range AargauSwitzerland median
Show data table
| Gross income | Boniswil | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 5.1% | 3.8–5.6% | 5.4% |
| 50'000 | 7% | 5.2–7.7% | 7.8% |
| 60'000 | 8.5% | 6.4–9.3% | 10.5% |
| 70'000 | 9.8% | 7.4–10.7% | 11.9% |
| 80'000 | 10.9% | 8.2–11.9% | 13.1% |
| 90'000 | 11.7% | 8.9–12.8% | 14.1% |
| 100'000 | 12.8% | 9.8–14% | 15.3% |
| 110'000 | 13.7% | 10.5–14.9% | 16.3% |
| 120'000 | 14.5% | 11.2–15.8% | 17.2% |
| 130'000 | 15.2% | 11.7–16.5% | 18.1% |
| 140'000 | 15.9% | 12.4–17.3% | 19% |
| 150'000 | 16.6% | 13–18% | 19.7% |
| 175'000 | 18.2% | 14.4–19.7% | 21.6% |
| 200'000 | 19.6% | 15.5–21.1% | 23.2% |
| 225'000 | 20.8% | 16.6–22.4% | 24.6% |
| 250'000 | 21.9% | 17.6–23.6% | 25.8% |
| 275'000 | 22.8% | 18.4–24.5% | 26.8% |
| 300'000 | 23.6% | 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 1991–20201'115 mm
9.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
580 m
Mean elevation
482 m
Relief
131 m
Mean slope
5.2°
Flat share
61.6%
South-facing
0.0%
Above 2000 m
0.0%
Relief 131 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
12.4 GWh/yr
Roofs + façades
16.3 GWh/yr
≈ households powered
2'800
Per inhabitant
6'930 kWh/yr
12 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
29.51 Rp./kWh
Energy
10.37 Rp./kWh
Grid usage
14.95 Rp./kWh
Levies + grid surcharge
2.9 Rp./kWh
29.51 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
0.45 %
Second homes
8.7 %
Avg. rooms
4
Dwellings
882
Built before 194618.7%
Built since 200137.0%
0.45 %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
230
Workplaces
83
Services share
72.6 %
Jobs by sector: Primary 13 (5.7%) · Secondary 50 (21.7%) · Tertiary 167 (72.6%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
3
Organic share
0 %
Farmland
51 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 municipalities1'795 #115 AG · #1035 CHGrowing municipalities1.4% #62 AG · #577 CHShrinking municipalities1.4% #134 AG · #1531 CHJobs per resident0.13 #193 AG · #2040 CHFamilies & children18.4% #164 AG · #1600 CHAge structure20.3% #80 AG · #1184 CHWomen share50.5% #29 AG · #638 CHForeign residents19.1% #123 AG · #944 CHPopulation density643/km² #61 AG · #402 CHTax burden12'792 #77 AG · #463 CHTaxes105% #82 AGWarmest municipalities9.7 °C #119 AG · #821 CHSunniest municipalities40.6% #33 AG · #1576 CHRainiest municipalities1'115 mm #59 AG · #1018 CHVoter turnout58.8% #51 AG · #725 CHAgainst Switzerland17.6% #59 AG · #705 CHAligned with Switzerland82.4% #109 AG · #754 CHSVP strongholds42.9% #88 AG · #504 CHSP strongholds11.1% #129 AG · #1404 CHCentre strongholds8.7% #143 AG · #1351 CHFDP strongholds12.5% #77 AG · #1095 CHGLP strongholds8.9% #54 AG · #452 CHGreen strongholds7.3% #38 AG · #1029 CHLargest by area2.8 km² #178 AG · #1909 CHHighest municipalities477 m #62 AG · #1337 CHSecond homes8.7% #71 AG · #1475 CHOrganic farming0% #173 AG · #1868 CHBest-connected municipalities68 min #126 AG · #1028 CHRemotest municipalities68 min #69 AG · #1092 CHHighest peaks580 m #118 AG · #1615 CHHighest-lying municipalities482 m #86 AG · #1519 CHGreatest vertical range131 m #163 AG · #1684 CHSteepest municipalities5.2° #144 AG · #1532 CHSolar potential12 GWh #143 AG · #1389 CHSolar potential per capita6'930 kWh #147 AG · #1690 CHCheapest electricity29.51 Rp./kWh #127 AG · #1692 CHMost expensive electricity29.51 Rp./kWh #70 AG · #415 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Boniswil?
- Boniswil has 2 postal codes: 5706, 5708.
- What is the tax rate in Boniswil?
- The municipal tax multiplier of Boniswil is 105% (2026); canton AG levies 103%.
- How much tax do you pay in Boniswil?
- A single person without children pays about 12'792 CHF income tax in Boniswil on 100'000 CHF gross income (federal, cantonal, municipal), rank 77 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Boniswil have?
- Boniswil has 1'795 residents (2025).
- How many foreign residents live in Boniswil?
- Boniswil has 342 foreign residents, a share of 19.05% (2025).
Map
OpenStreetMapBoniswil compared with
- Boniswil vs. Baden
- Boniswil vs. Aarau
- Boniswil vs. Wettingen
- Boniswil vs. Wohlen
- Boniswil vs. Oftringen
- Boniswil vs. Rheinfelden
- Boniswil vs. Brugg
- Boniswil vs. Spreitenbach
- Boniswil vs. Zofingen
- Boniswil vs. Suhr
- Boniswil vs. Baden
- Boniswil vs. Aarau
- Boniswil vs. Wettingen
- Boniswil vs. Wohlen
- Boniswil vs. Oftringen
- Boniswil vs. Rheinfelden
- Boniswil vs. Brugg
- Boniswil vs. Spreitenbach
- Boniswil vs. Zofingen
- Boniswil vs. Suhr
- Boniswil vs. Schwende-Rüte
- Boniswil vs. Herisau
- Boniswil vs. Bern
- Boniswil vs. Allschwil
- Boniswil vs. Basel
- Boniswil vs. Fribourg
- Boniswil vs. Geneva
- Boniswil vs. Glarus Nord
- Boniswil vs. Chur
- Boniswil vs. Delémont
- Boniswil vs. Lucerne
- Boniswil vs. Neuchâtel
- Boniswil vs. Stans
- Boniswil vs. Sarnen
- Boniswil vs. St. Gallen
- Boniswil vs. Schaffhausen
- Boniswil vs. Olten
- Boniswil vs. Freienbach
- Boniswil vs. Frauenfeld
- Boniswil vs. Lugano
- Boniswil vs. Altdorf
- Boniswil vs. Lausanne
- Boniswil vs. Sion
- Boniswil vs. Zug
- Boniswil vs. Zurich