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Switzerland · Canton AG

Aristau

5628–5630
AG CANTON56285630
Residents
1'655
Area
8.6 km²
Population density
192 pop./km²
Elevation
400 m a.s.l.
Tax multiplier
104%
Postal codes
2

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025
Women
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%
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026
14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)FederalAccepted · 52.5% Yes
60.0% YesNo 40.0%
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»FederalRejected · 45.2% Yes
57.0% YesNo 43.0%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AGRejected · 42.6% Yes
37.9% YesNo 62.1%
08.03.2026Bundesgesetz über die IndividualbesteuerungFederalAccepted · 54.3% Yes
48.6% YesNo 51.4%
08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»FederalRejected · 38.1% Yes
46.6% YesNo 53.4%
08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederalRejected · 37.4% Yes
44.0% YesNo 56.1%
All federal votes
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023
SVP46.2% · strongest party
SVP46.2%
Mitte14.5%
GLP11.1%
FDP8.8%
SP8.0%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026
Municipal tax multiplier104%
Cantonal tax multiplier103%
104%AG range 48%127%
Tax rank 76 of 196 in canton Aargau
Tax 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
Income tax as % of gross income
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:12'739 CHF(~12.7%)
AristauCanton range AargauSwitzerland median
Show data table
Gross incomeAristauAargauSwitzerland median
40'0005.1%3.85.6%5.4%
50'0006.9%5.27.7%7.8%
60'0008.5%6.49.3%10.5%
70'0009.8%7.410.7%11.9%
80'00010.8%8.211.9%13.1%
90'00011.7%8.912.8%14.1%
100'00012.7%9.814%15.3%
110'00013.7%10.514.9%16.3%
120'00014.4%11.215.8%17.2%
130'00015.1%11.716.5%18.1%
140'00015.9%12.417.3%19%
150'00016.5%1318%19.7%
175'00018.1%14.419.7%21.6%
200'00019.5%15.521.1%23.2%
225'00020.7%16.622.4%24.6%
250'00021.8%17.623.6%25.8%
275'00022.8%18.424.5%26.8%
300'00023.5%19.125.3%27.4%
2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual 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 m
Highest 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
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 31.08.2026

Electricity

ElCom · 2026
Tariff H4
27.5 Rp./kWh
Energy
12.33 Rp./kWh
Grid usage
11.51 Rp./kWh
Levies + grid surcharge
2.6 Rp./kWh
27.5 Rp./kWh9.6443.61
Canton median 27.73 Rp./kWhSwiss median 27.7 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.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026
Vacancy rate
1.52 %
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 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM
Major centrePT 67 min · Car 34 min
AgglomerationPT 29 min · Car 21 min
Remoteness 76/196 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0
Wikidata · continuously updated, retrieved 31.08.2026

Localities

swisstopo · 2
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

OpenStreetMap