Demographics
BFS · 2025Women
800 48.3%
Men
855 51.7%
Children & youth (0–19)
351 21.2%
Swiss citizens
1'346 81.3%
Foreign residents
309 18.7%
Population density
192 pop./km²
0–19 · 351 · 21.2%20–64 · 1'029 · 62.2%65+ · 275 · 16.6%
Foreign residents 18.7%0%64.0%
Population change 2025: +52 (+3.2%) · 18 births · 7 deaths · net migration +39
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
20.8% YesNo 79.2%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Muri: 33.8% Yes
34.8% YesNo 65.2%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Muri: 60.1% Yes
60.0% YesNo 40.0%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Muri: 59.4% Yes
57.0% YesNo 43.0%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Muri: 36.7% Yes
37.9% YesNo 62.1%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Muri: 48.6% Yes
46.9% YesNo 53.1%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Muri: 44.2% Yes
48.6% YesNo 51.4%
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
14.1% YesNo 85.9%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Muri: 44.9% Yes
46.6% YesNo 53.4%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Muri: 39.3% Yes
44.0% YesNo 56.1%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP46.2% · strongest party
SVP46.2%
Mitte14.5%
GLP11.1%
FDP8.8%
SP8.0%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier104%
Cantonal tax multiplier103%
104%AG range 48%127%
Tax rank 76 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
12'739 CHF(12.7%)
Rank 72 of 196 in the canton · 456 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:12'739 CHF(~12.7%)
AristauCanton range AargauSwitzerland median
Show data table
| Gross income | Aristau | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 5.1% | 3.8–5.6% | 5.4% |
| 50'000 | 6.9% | 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 | 10.8% | 8.2–11.9% | 13.1% |
| 90'000 | 11.7% | 8.9–12.8% | 14.1% |
| 100'000 | 12.7% | 9.8–14% | 15.3% |
| 110'000 | 13.7% | 10.5–14.9% | 16.3% |
| 120'000 | 14.4% | 11.2–15.8% | 17.2% |
| 130'000 | 15.1% | 11.7–16.5% | 18.1% |
| 140'000 | 15.9% | 12.4–17.3% | 19% |
| 150'000 | 16.5% | 13–18% | 19.7% |
| 175'000 | 18.1% | 14.4–19.7% | 21.6% |
| 200'000 | 19.5% | 15.5–21.1% | 23.2% |
| 225'000 | 20.7% | 16.6–22.4% | 24.6% |
| 250'000 | 21.8% | 17.6–23.6% | 25.8% |
| 275'000 | 22.8% | 18.4–24.5% | 26.8% |
| 300'000 | 23.5% | 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 °C
Precipitation 1991–20201'123 mm
10 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
475 m
Mean elevation
410 m
Relief
97 m
Mean slope
2.8°
Flat share
77.4%
South-facing
1.0%
Above 2000 m
0.0%
Relief 97 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
18.6 GWh/yr
Roofs + façades
23.8 GWh/yr
≈ households powered
4'100
Per inhabitant
11'221 kWh/yr
19 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
26.32 Rp./kWh
Energy
11.33 Rp./kWh
Grid usage
11.33 Rp./kWh
Levies + grid surcharge
2.6 Rp./kWh
26.32 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Elektrizitätsgenossenschaft Aristau
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
1.52 %
Second homes
7.1 %
Avg. rooms
4.3
Dwellings
726
Built before 194617.4%
Built since 200132.5%
1.52 %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
418
Workplaces
109
Services share
67.5 %
Jobs by sector: Primary 84 (20.1%) · Secondary 52 (12.4%) · Tertiary 282 (67.5%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
29
Organic share
6.9 %
Farmland
567 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 municipalities1'655 #123 AG · #1090 CHGrowing municipalities3.2% #18 AG · #135 CHShrinking municipalities3.2% #179 AG · #1974 CHJobs per resident0.25 #127 AG · #1537 CHFamilies & children21.2% #62 AG · #754 CHAge structure16.6% #169 AG · #1832 CHWomen share48.3% #164 AG · #1780 CHForeign residents18.7% #127 AG · #975 CHPopulation density192/km² #161 AG · #1056 CHTax burden12'739 #72 AG · #456 CHTaxes104% #76 AGWarmest municipalities10 °C #65 AG · #529 CHSunniest municipalities41.1% #12 AG · #1380 CHRainiest municipalities1'123 mm #43 AG · #969 CHVoter turnout60.3% #31 AG · #565 CHAgainst Switzerland17.8% #53 AG · #665 CHAligned with Switzerland82.2% #114 AG · #798 CHSVP strongholds46.2% #60 AG · #349 CHSP strongholds8% #171 AG · #1697 CHCentre strongholds14.5% #65 AG · #866 CHFDP strongholds8.8% #167 AG · #1524 CHGLP strongholds11.1% #16 AG · #214 CHGreen strongholds4.3% #153 AG · #1687 CHLargest by area8.6 km² #59 AG · #1085 CHHighest municipalities400 m #134 AG · #1892 CHSecond homes7.1% #128 AG · #1797 CHOrganic farming6.9% #123 AG · #1433 CHBest-connected municipalities67 min #119 AG · #997 CHRemotest municipalities67 min #76 AG · #1124 CHHighest peaks475 m #179 AG · #1963 CHHighest-lying municipalities410 m #156 AG · #1948 CHGreatest vertical range97 m #184 AG · #1848 CHSteepest municipalities2.8° #189 AG · #1921 CHSolar potential19 GWh #107 AG · #1075 CHSolar potential per capita11'221 kWh #40 AG · #875 CHCheapest electricity26.32 Rp./kWh #58 AG · #911 CHMost expensive electricity26.32 Rp./kWh #139 AG · #1196 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Aristau?
- Aristau has 2 postal codes: 5628, 5630.
- What is the tax rate in Aristau?
- The municipal tax multiplier of Aristau is 104% (2026); canton AG levies 103%.
- How much tax do you pay in Aristau?
- A single person without children pays about 12'739 CHF income tax in Aristau on 100'000 CHF gross income (federal, cantonal, municipal), rank 72 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Aristau have?
- Aristau has 1'655 residents (2025).
- How many foreign residents live in Aristau?
- Aristau has 309 foreign residents, a share of 18.67% (2025).
Map
OpenStreetMapAristau compared with
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