Demographics
BFS · 2025Women
4'544 50.4%
Men
4'476 49.6%
Children & youth (0–19)
1'827 20.3%
Swiss citizens
6'044 67.0%
Foreign residents
2'976 33.0%
Population density
1'079 pop./km²
0–19 · 1'827 · 20.3%20–64 · 5'286 · 58.6%65+ · 1'907 · 21.1%
Foreign residents 33.0%0%64.0%
Population change 2025: +54 (+0.6%) · 75 births · 105 deaths · net migration +72
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 Baden: 26.5% Yes
24.6% YesNo 75.4%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Baden: 24.4% Yes
21.6% YesNo 78.4%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Baden: 53.5% Yes
52.6% YesNo 47.4%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Baden: 43.1% Yes
39.3% YesNo 60.7%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Baden: 45.4% Yes
45.9% YesNo 54.1%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Baden: 49.2% Yes
48.2% YesNo 51.9%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Baden: 54.5% Yes
54.9% YesNo 45.1%
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 Baden: 26.8% Yes
27.6% YesNo 72.4%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Baden: 38.7% Yes
49.2% YesNo 50.8%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Baden: 32.5% Yes
29.7% YesNo 70.3%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP23.8% · strongest party
SVP23.8%
SP21.3%
Mitte15.9%
FDP14.1%
GLP9.8%
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 109 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%)
ObersiggenthalCanton range AargauSwitzerland median
Show data table
| Gross income | Obersiggenthal | 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 1991–20201'047 mm
9.9 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
617 m
Mean elevation
484 m
Relief
279 m
Mean slope
8.6°
Flat share
35.7%
South-facing
39.5%
Above 2000 m
0.0%
Relief 279 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
38.2 GWh/yr
Roofs + façades
52.9 GWh/yr
≈ households powered
8'500
Per inhabitant
4'231 kWh/yr
38 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
28.66 Rp./kWh
Energy
11.53 Rp./kWh
Grid usage
12.98 Rp./kWh
Levies + grid surcharge
2.95 Rp./kWh
28.66 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Elektrizitäts-Genossenschaft Siggenthal
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
0.59 %
Second homes
7.8 %
Avg. rooms
3.7
Dwellings
4'223
Built before 194610.3%
Built since 200118.8%
0.59 %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
1'996
Workplaces
408
Services share
81.2 %
Jobs by sector: Primary 30 (1.5%) · Secondary 345 (17.3%) · Tertiary 1'621 (81.2%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
13
Organic share
0 %
Farmland
256 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 municipalities9'020 #18 AG · #218 CHGrowing municipalities0.6% #105 AG · #1034 CHShrinking municipalities0.6% #91 AG · #1082 CHJobs per resident0.22 #144 AG · #1684 CHFamilies & children20.3% #99 AG · #1046 CHAge structure21.1% #58 AG · #1029 CHWomen share50.4% #33 AG · #694 CHForeign residents33% #26 AG · #198 CHPopulation density1'079/km² #28 AG · #199 CHTax burden13'059 #112 AG · #556 CHTaxes110% #109 AGWarmest municipalities9.9 °C #73 AG · #616 CHSunniest municipalities40% #137 AG · #1894 CHRainiest municipalities1'047 mm #142 AG · #1403 CHVoter turnout56.7% #79 AG · #996 CHAgainst Switzerland7.8% #148 AG · #1346 CHAligned with Switzerland92.2% #16 AG · #146 CHSVP strongholds23.8% #191 AG · #1613 CHSP strongholds21.3% #14 AG · #371 CHCentre strongholds15.9% #52 AG · #770 CHFDP strongholds14.1% #44 AG · #919 CHGLP strongholds9.8% #36 AG · #347 CHGreen strongholds8.7% #16 AG · #769 CHLargest by area8.4 km² #62 AG · #1108 CHHighest municipalities384 m #152 AG · #1956 CHSecond homes7.8% #104 AG · #1675 CHOrganic farming0% #146 AG · #1841 CHBest-connected municipalities50 min #20 AG · #475 CHRemotest municipalities50 min #177 AG · #1643 CHHighest peaks617 m #96 AG · #1469 CHHighest-lying municipalities484 m #84 AG · #1514 CHGreatest vertical range279 m #50 AG · #1047 CHSteepest municipalities8.6° #72 AG · #1056 CHSolar potential38 GWh #39 AG · #502 CHSolar potential per capita4'231 kWh #193 AG · #2040 CHCheapest electricity28.66 Rp./kWh #118 AG · #1540 CHMost expensive electricity28.66 Rp./kWh #79 AG · #567 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 4Nearby municipalities
swisstopo- What is the postal code of Obersiggenthal?
- Obersiggenthal has 2 postal codes: 5415, 5416.
- What is the tax rate in Obersiggenthal?
- The municipal tax multiplier of Obersiggenthal is 110% (2026); canton AG levies 103%.
- How much tax do you pay in Obersiggenthal?
- A single person without children pays about 13'059 CHF income tax in Obersiggenthal on 100'000 CHF gross income (federal, cantonal, municipal), rank 107 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Obersiggenthal have?
- Obersiggenthal has 9'020 residents (2025).
- How many foreign residents live in Obersiggenthal?
- Obersiggenthal has 2'976 foreign residents, a share of 32.99% (2025).
Map
OpenStreetMapObersiggenthal compared with
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