Demographics
BFS · 2025Women
1'252 48.7%
Men
1'321 51.3%
Children & youth (0–19)
488 19.0%
Swiss citizens
1'897 73.7%
Foreign residents
676 26.3%
Population density
363 pop./km²
0–19 · 488 · 19.0%20–64 · 1'631 · 63.4%65+ · 454 · 17.6%
Foreign residents 26.3%0%64.0%
Population change 2025: +57 (+2.3%) · 26 births · 27 deaths · net migration +60
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 Laufenburg: 23.2% Yes
22.6% YesNo 77.4%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Laufenburg: 31.7% Yes
33.0% YesNo 67.1%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Laufenburg: 58.3% Yes
57.2% YesNo 42.8%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Laufenburg: 54.4% Yes
57.0% YesNo 43.0%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Laufenburg: 41.2% Yes
39.7% YesNo 60.3%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Laufenburg: 48.7% Yes
44.8% YesNo 55.2%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Laufenburg: 43.1% Yes
44.1% YesNo 55.9%
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 Laufenburg: 20.9% Yes
20.6% YesNo 79.4%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Laufenburg: 43.0% Yes
43.9% YesNo 56.2%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Laufenburg: 38.1% Yes
40.9% YesNo 59.1%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP46.7% · strongest party
SVP46.7%
Mitte14.4%
SP14.0%
FDP9.5%
GRÜNE5.9%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier111%
Cantonal tax multiplier103%
111%AG range 48%127%
Tax rank 117 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
13'112 CHF(13.1%)
Rank 116 of 196 in the canton · 562 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:13'112 CHF(~13.1%)
EikenCanton range AargauSwitzerland median
Show data table
| Gross income | Eiken | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 5.3% | 3.8–5.6% | 5.4% |
| 50'000 | 7.2% | 5.2–7.7% | 7.8% |
| 60'000 | 8.7% | 6.4–9.3% | 10.5% |
| 70'000 | 10.1% | 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 | 14.1% | 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 | 16.3% | 12.4–17.3% | 19% |
| 150'000 | 17% | 13–18% | 19.7% |
| 175'000 | 18.6% | 14.4–19.7% | 21.6% |
| 200'000 | 20% | 15.5–21.1% | 23.2% |
| 225'000 | 21.3% | 16.6–22.4% | 24.6% |
| 250'000 | 22.4% | 17.6–23.6% | 25.8% |
| 275'000 | 23.3% | 18.4–24.5% | 26.8% |
| 300'000 | 24.1% | 19.1–25.3% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–202010.7 °C
Precipitation 1991–20201'064 mm
10.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
493 m
Mean elevation
345 m
Relief
200 m
Mean slope
6.3°
Flat share
58.9%
South-facing
5.9%
Above 2000 m
0.0%
Relief 200 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
27.6 GWh/yr
Roofs + façades
35.4 GWh/yr
≈ households powered
6'100
Per inhabitant
10'711 kWh/yr
28 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
2.14 %
Second homes
9.8 %
Avg. rooms
3.9
Dwellings
1'215
Built before 194613.0%
Built since 200134.2%
2.14 %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
1'250
Workplaces
139
Services share
51.7 %
Jobs by sector: Primary 28 (2.2%) · Secondary 576 (46.1%) · Tertiary 646 (51.7%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
7
Organic share
28.6 %
Farmland
378 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 municipalities2'573 #94 AG · #827 CHGrowing municipalities2.3% #37 AG · #286 CHShrinking municipalities2.3% #160 AG · #1825 CHJobs per resident0.49 #39 AG · #564 CHFamilies & children19% #145 AG · #1442 CHAge structure17.6% #150 AG · #1698 CHWomen share48.7% #146 AG · #1650 CHForeign residents26.3% #62 AG · #487 CHPopulation density363/km² #109 AG · #660 CHTax burden13'112 #116 AG · #562 CHTaxes111% #117 AGWarmest municipalities10.7 °C #7 AG · #158 CHSunniest municipalities40.1% #118 AG · #1835 CHRainiest municipalities1'064 mm #127 AG · #1304 CHVoter turnout46.6% #183 AG · #1988 CHAgainst Switzerland15.7% #76 AG · #860 CHAligned with Switzerland84.3% #90 AG · #602 CHSVP strongholds46.7% #57 AG · #334 CHSP strongholds14% #78 AG · #1053 CHCentre strongholds14.4% #69 AG · #876 CHFDP strongholds9.5% #155 AG · #1455 CHGLP strongholds4.4% #174 AG · #1328 CHGreen strongholds5.9% #85 AG · #1354 CHLargest by area7.1 km² #77 AG · #1239 CHHighest municipalities331 m #183 AG · #2036 CHSecond homes9.8% #44 AG · #1237 CHOrganic farming28.6% #14 AG · #365 CHBest-connected municipalities49 min #17 AG · #443 CHRemotest municipalities49 min #183 AG · #1681 CHHighest peaks493 m #172 AG · #1906 CHHighest-lying municipalities345 m #189 AG · #2072 CHGreatest vertical range200 m #116 AG · #1371 CHSteepest municipalities6.3° #121 AG · #1350 CHSolar potential28 GWh #70 AG · #751 CHSolar potential per capita10'711 kWh #46 AG · #953 CHCheapest electricity29.86 Rp./kWh #160 AG · #1765 CHMost expensive electricity29.86 Rp./kWh #23 AG · #328 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Eiken?
- The postal code of Eiken is 5074.
- What is the tax rate in Eiken?
- The municipal tax multiplier of Eiken is 111% (2026); canton AG levies 103%.
- How much tax do you pay in Eiken?
- A single person without children pays about 13'112 CHF income tax in Eiken on 100'000 CHF gross income (federal, cantonal, municipal), rank 116 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Eiken have?
- Eiken has 2'573 residents (2025).
- How many foreign residents live in Eiken?
- Eiken has 676 foreign residents, a share of 26.27% (2025).
Map
OpenStreetMapEiken compared with
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