Demographics
BFS · 2025Women
615 49.3%
Men
632 50.7%
Children & youth (0–19)
262 21.0%
Swiss citizens
993 79.6%
Foreign residents
254 20.4%
Population density
216 pop./km²
0–19 · 262 · 21.0%20–64 · 751 · 60.2%65+ · 234 · 18.8%
Foreign residents 20.4%0%64.0%
Population change 2025: +2 (+0.2%) · 8 births · 7 deaths · net migration −3
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 Muri: 20.0% Yes
24.9% YesNo 75.1%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Muri: 33.8% Yes
36.5% YesNo 63.5%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Muri: 60.1% Yes
56.3% YesNo 43.7%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Muri: 59.4% Yes
62.6% YesNo 37.4%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Muri: 36.7% Yes
35.9% YesNo 64.1%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Muri: 48.6% Yes
47.7% YesNo 52.3%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Muri: 44.2% Yes
46.6% YesNo 53.4%
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 Muri: 17.9% Yes
21.1% YesNo 78.9%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Muri: 44.9% Yes
49.0% YesNo 51.0%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Muri: 39.3% Yes
45.2% YesNo 54.8%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP45.5% · strongest party
SVP45.5%
Mitte16.0%
SP12.2%
GLP8.9%
FDP7.1%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier110%
Cantonal tax multiplier103%
110%AG range 48%127%
Tax rank 114 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
13'059 CHF(13.1%)
Rank 107 of 196 in the canton · 551 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:13'059 CHF(~13.1%)
BünzenCanton range AargauSwitzerland median
Show data table
| Gross income | Bünzen | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 5.2% | 3.8–5.6% | 5.4% |
| 50'000 | 7.1% | 5.2–7.7% | 7.8% |
| 60'000 | 8.7% | 6.4–9.3% | 10.5% |
| 70'000 | 10% | 7.4–10.7% | 11.9% |
| 80'000 | 11.1% | 8.2–11.9% | 13.1% |
| 90'000 | 12% | 8.9–12.8% | 14.1% |
| 100'000 | 13.1% | 9.8–14% | 15.3% |
| 110'000 | 14% | 10.5–14.9% | 16.3% |
| 120'000 | 14.8% | 11.2–15.8% | 17.2% |
| 130'000 | 15.5% | 11.7–16.5% | 18.1% |
| 140'000 | 16.2% | 12.4–17.3% | 19% |
| 150'000 | 16.9% | 13–18% | 19.7% |
| 175'000 | 18.5% | 14.4–19.7% | 21.6% |
| 200'000 | 19.9% | 15.5–21.1% | 23.2% |
| 225'000 | 21.2% | 16.6–22.4% | 24.6% |
| 250'000 | 22.3% | 17.6–23.6% | 25.8% |
| 275'000 | 23.2% | 18.4–24.5% | 26.8% |
| 300'000 | 24% | 19.1–25.3% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.9 °C
Precipitation 1991–20201'113 mm
9.9 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
482 m
Mean elevation
443 m
Relief
58 m
Mean slope
2.7°
Flat share
86.0%
South-facing
4.2%
Above 2000 m
0.0%
Relief 58 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
15.5 GWh/yr
Roofs + façades
19.3 GWh/yr
≈ households powered
3'400
Per inhabitant
12'390 kWh/yr
15 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
26.9 Rp./kWh
Energy
12.5 Rp./kWh
Grid usage
10.7 Rp./kWh
Levies + grid surcharge
2.5 Rp./kWh
26.9 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Elektrizitäts-Genossenschaft Boswil-Bünzen
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
1.43 %
Second homes
8.8 %
Avg. rooms
4.2
Dwellings
560
Built before 194625.9%
Built since 200135.9%
1.43 %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
268
Workplaces
100
Services share
54.9 %
Jobs by sector: Primary 75 (28.0%) · Secondary 46 (17.2%) · Tertiary 147 (54.9%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
18
Organic share
5.6 %
Farmland
359 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 municipalities1'247 #150 AG · #1294 CHGrowing municipalities0.2% #133 AG · #1318 CHShrinking municipalities0.2% #65 AG · #794 CHJobs per resident0.21 #158 AG · #1740 CHFamilies & children21% #73 AG · #820 CHAge structure18.8% #123 AG · #1480 CHWomen share49.3% #108 AG · #1394 CHForeign residents20.4% #106 AG · #826 CHPopulation density216/km² #151 AG · #984 CHTax burden13'059 #107 AG · #551 CHTaxes110% #114 AGWarmest municipalities9.9 °C #84 AG · #627 CHSunniest municipalities40.9% #22 AG · #1461 CHRainiest municipalities1'113 mm #65 AG · #1033 CHVoter turnout58.7% #53 AG · #735 CHAgainst Switzerland19.6% #44 AG · #547 CHAligned with Switzerland80.4% #121 AG · #900 CHSVP strongholds45.5% #67 AG · #378 CHSP strongholds12.2% #108 AG · #1272 CHCentre strongholds16% #51 AG · #765 CHFDP strongholds7.1% #185 AG · #1699 CHGLP strongholds8.9% #55 AG · #453 CHGreen strongholds5.5% #105 AG · #1446 CHLargest by area5.8 km² #101 AG · #1427 CHHighest municipalities442 m #90 AG · #1601 CHSecond homes8.8% #66 AG · #1437 CHOrganic farming5.6% #130 AG · #1509 CHBest-connected municipalities65 min #113 AG · #949 CHRemotest municipalities65 min #89 AG · #1179 CHHighest peaks482 m #177 AG · #1936 CHHighest-lying municipalities443 m #114 AG · #1766 CHGreatest vertical range58 m #193 AG · #2013 CHSteepest municipalities2.7° #192 AG · #1935 CHSolar potential15 GWh #121 AG · #1219 CHSolar potential per capita12'390 kWh #28 AG · #709 CHCheapest electricity26.9 Rp./kWh #88 AG · #1098 CHMost expensive electricity26.9 Rp./kWh #110 AG · #1009 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Bünzen?
- The postal code of Bünzen is 5624.
- What is the tax rate in Bünzen?
- The municipal tax multiplier of Bünzen is 110% (2026); canton AG levies 103%.
- How much tax do you pay in Bünzen?
- A single person without children pays about 13'059 CHF income tax in Bünzen on 100'000 CHF gross income (federal, cantonal, municipal), rank 107 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Bünzen have?
- Bünzen has 1'247 residents (2025).
- How many foreign residents live in Bünzen?
- Bünzen has 254 foreign residents, a share of 20.37% (2025).
Map
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