Demographics
BFS · 2025Women
698 49.8%
Men
704 50.2%
Children & youth (0–19)
299 21.3%
Swiss citizens
1'193 85.1%
Foreign residents
209 14.9%
Population density
242 pop./km²
0–19 · 299 · 21.3%20–64 · 782 · 55.8%65+ · 321 · 22.9%
Foreign residents 14.9%0%64.0%
Population change 2025: +21 (+1.5%) · 8 births · 9 deaths · net migration +22
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
18.3% YesNo 81.7%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Kulm: 41.0% Yes
40.8% YesNo 59.2%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Kulm: 61.0% Yes
62.8% YesNo 37.2%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Kulm: 66.5% Yes
69.2% YesNo 30.8%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Kulm: 36.9% Yes
31.6% YesNo 68.4%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Kulm: 65.8% Yes
75.5% YesNo 24.5%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Kulm: 42.2% Yes
34.7% YesNo 65.3%
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
13.7% YesNo 86.3%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Kulm: 51.6% Yes
46.0% YesNo 54.0%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Kulm: 48.0% Yes
47.1% YesNo 52.9%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP49.6% · strongest party
SVP49.6%
FDP11.2%
Mitte9.1%
EVP6.4%
SP6.3%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier118%
Cantonal tax multiplier103%
118%AG range 48%127%
Tax rank 163 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
13'485 CHF(13.5%)
Rank 158 of 196 in the canton · 688 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:13'485 CHF(~13.5%)
ZetzwilCanton range AargauSwitzerland median
Show data table
| Gross income | Zetzwil | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 5.4% | 3.8–5.6% | 5.4% |
| 50'000 | 7.4% | 5.2–7.7% | 7.8% |
| 60'000 | 9% | 6.4–9.3% | 10.5% |
| 70'000 | 10.4% | 7.4–10.7% | 11.9% |
| 80'000 | 11.5% | 8.2–11.9% | 13.1% |
| 90'000 | 12.4% | 8.9–12.8% | 14.1% |
| 100'000 | 13.5% | 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 | 16% | 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 | 19.1% | 14.4–19.7% | 21.6% |
| 200'000 | 20.5% | 15.5–21.1% | 23.2% |
| 225'000 | 21.8% | 16.6–22.4% | 24.6% |
| 250'000 | 22.9% | 17.6–23.6% | 25.8% |
| 275'000 | 23.8% | 18.4–24.5% | 26.8% |
| 300'000 | 24.6% | 19.1–25.3% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.4 °C
Precipitation 1991–20201'143 mm
9.4 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
780 m
Mean elevation
606 m
Relief
286 m
Mean slope
9.3°
Flat share
18.7%
South-facing
26.8%
Above 2000 m
0.0%
Relief 286 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
14.6 GWh/yr
Roofs + façades
19.5 GWh/yr
≈ households powered
3'200
Per inhabitant
10'428 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
26.88 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
0.31 %
Second homes
8.5 %
Avg. rooms
4.3
Dwellings
655
Built before 194623.4%
Built since 200117.4%
0.31 %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
563
Workplaces
79
Services share
69.6 %
Jobs by sector: Primary 44 (7.8%) · Secondary 127 (22.6%) · Tertiary 392 (69.6%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
16
Organic share
6.3 %
Farmland
280 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 municipalities1'402 #140 AG · #1223 CHGrowing municipalities1.5% #60 AG · #530 CHShrinking municipalities1.5% #137 AG · #1584 CHJobs per resident0.4 #57 AG · #856 CHFamilies & children21.3% #55 AG · #726 CHAge structure22.9% #31 AG · #697 CHWomen share49.8% #76 AG · #1082 CHForeign residents14.9% #160 AG · #1289 CHPopulation density242/km² #140 AG · #915 CHTax burden13'485 #166 AG · #696 CHTaxes118% #163 AGWarmest municipalities9.4 °C #169 AG · #1069 CHSunniest municipalities40.2% #90 AG · #1775 CHRainiest municipalities1'143 mm #10 AG · #862 CHVoter turnout55.9% #92 AG · #1103 CHAgainst Switzerland27.5% #9 AG · #132 CHAligned with Switzerland72.5% #157 AG · #1327 CHSVP strongholds49.6% #41 AG · #246 CHSP strongholds6.3% #191 AG · #1853 CHCentre strongholds9.1% #134 AG · #1292 CHFDP strongholds11.2% #107 AG · #1252 CHGLP strongholds5.3% #151 AG · #1134 CHGreen strongholds4.1% #159 AG · #1728 CHLargest by area5.8 km² #100 AG · #1426 CHHighest municipalities512 m #37 AG · #1158 CHSecond homes8.5% #76 AG · #1502 CHOrganic farming6.3% #128 AG · #1472 CHBest-connected municipalities86 min #179 AG · #1484 CHRemotest municipalities86 min #15 AG · #635 CHHighest peaks780 m #18 AG · #1017 CHHighest-lying municipalities606 m #13 AG · #991 CHGreatest vertical range286 m #48 AG · #1030 CHSteepest municipalities9.3° #57 AG · #989 CHSolar potential15 GWh #124 AG · #1256 CHSolar potential per capita10'428 kWh #53 AG · #996 CHCheapest electricity26.88 Rp./kWh #86 AG · #1096 CHMost expensive electricity26.88 Rp./kWh #114 AG · #1014 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Zetzwil?
- The postal code of Zetzwil is 5732.
- What is the tax rate in Zetzwil?
- The municipal tax multiplier of Zetzwil is 118% (2026); canton AG levies 103%.
- How much tax do you pay in Zetzwil?
- A single person without children pays about 13'485 CHF income tax in Zetzwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 158 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Zetzwil have?
- Zetzwil has 1'402 residents (2025).
- How many foreign residents live in Zetzwil?
- Zetzwil has 209 foreign residents, a share of 14.91% (2025).
Map
OpenStreetMapZetzwil compared with
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