Demographics
BFS · 2025Women
4'413 48.8%
Men
4'627 51.2%
Children & youth (0–19)
1'835 20.3%
Swiss citizens
4'896 54.2%
Foreign residents
4'144 45.8%
Population density
2'050 pop./km²
0–19 · 1'835 · 20.3%20–64 · 5'833 · 64.5%65+ · 1'372 · 15.2%
Foreign residents 45.8%0%64.0%
Population change 2025: +123 (+1.4%) · 100 births · 48 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 Zofingen: 23.9% Yes
28.1% YesNo 71.9%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Zofingen: 33.3% Yes
30.7% YesNo 69.3%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Zofingen: 56.3% Yes
52.6% YesNo 47.4%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Zofingen: 56.1% Yes
51.2% YesNo 48.8%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Zofingen: 41.9% Yes
47.5% YesNo 52.5%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Zofingen: 54.8% Yes
51.1% YesNo 48.9%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Zofingen: 45.5% Yes
51.9% YesNo 48.1%
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 Zofingen: 22.2% Yes
26.2% YesNo 73.8%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Zofingen: 45.5% Yes
44.9% YesNo 55.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Zofingen: 41.4% Yes
40.7% YesNo 59.4%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP34.7% · strongest party
SVP34.7%
SP24.7%
FDP10.2%
Mitte8.3%
GLP7.4%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier116%
Cantonal tax multiplier103%
116%AG range 48%127%
Tax rank 149 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
13'379 CHF(13.4%)
Rank 148 of 196 in the canton · 654 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:13'379 CHF(~13.4%)
AarburgCanton range AargauSwitzerland median
Show data table
| Gross income | Aarburg | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 5.4% | 3.8–5.6% | 5.4% |
| 50'000 | 7.3% | 5.2–7.7% | 7.8% |
| 60'000 | 8.9% | 6.4–9.3% | 10.5% |
| 70'000 | 10.3% | 7.4–10.7% | 11.9% |
| 80'000 | 11.4% | 8.2–11.9% | 13.1% |
| 90'000 | 12.3% | 8.9–12.8% | 14.1% |
| 100'000 | 13.4% | 9.8–14% | 15.3% |
| 110'000 | 14.3% | 10.5–14.9% | 16.3% |
| 120'000 | 15.1% | 11.2–15.8% | 17.2% |
| 130'000 | 15.8% | 11.7–16.5% | 18.1% |
| 140'000 | 16.6% | 12.4–17.3% | 19% |
| 150'000 | 17.3% | 13–18% | 19.7% |
| 175'000 | 19% | 14.4–19.7% | 21.6% |
| 200'000 | 20.3% | 15.5–21.1% | 23.2% |
| 225'000 | 21.6% | 16.6–22.4% | 24.6% |
| 250'000 | 22.8% | 17.6–23.6% | 25.8% |
| 275'000 | 23.7% | 18.4–24.5% | 26.8% |
| 300'000 | 24.5% | 19.1–25.3% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.8 °C
Precipitation 1991–20201'083 mm
9.8 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
602 m
Mean elevation
431 m
Relief
213 m
Mean slope
6.7°
Flat share
55.9%
South-facing
12.3%
Above 2000 m
0.0%
Relief 213 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
48.7 GWh/yr
Roofs + façades
64.3 GWh/yr
≈ households powered
10'800
Per inhabitant
5'383 kWh/yr
49 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
26.75 Rp./kWh
Energy
11.4 Rp./kWh
Grid usage
11.12 Rp./kWh
Levies + grid surcharge
2.9 Rp./kWh
26.75 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator tba 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
4.41 %
Second homes
6.7 %
Avg. rooms
3.5
Dwellings
4'310
Built before 194614.5%
Built since 200133.0%
4.41 %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
3'490
Workplaces
404
Services share
69.9 %
Jobs by sector: Primary 42 (1.2%) · Secondary 1'009 (28.9%) · Tertiary 2'439 (69.9%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
3
Organic share
0 %
Farmland
74 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 municipalities9'040 #17 AG · #217 CHGrowing municipalities1.4% #65 AG · #597 CHShrinking municipalities1.4% #131 AG · #1514 CHJobs per resident0.39 #63 AG · #891 CHFamilies & children20.3% #103 AG · #1050 CHAge structure15.2% #187 AG · #1977 CHWomen share48.8% #142 AG · #1610 CHForeign residents45.8% #5 AG · #29 CHPopulation density2'050/km² #2 AG · #69 CHTax burden13'379 #148 AG · #654 CHTaxes116% #149 AGWarmest municipalities9.8 °C #105 AG · #734 CHSunniest municipalities40.1% #128 AG · #1845 CHRainiest municipalities1'083 mm #103 AG · #1202 CHVoter turnout45.9% #186 AG · #2008 CHAgainst Switzerland8.8% #145 AG · #1301 CHAligned with Switzerland91.2% #30 AG · #200 CHSVP strongholds34.7% #156 AG · #989 CHSP strongholds24.7% #5 AG · #186 CHCentre strongholds8.3% #153 AG · #1409 CHFDP strongholds10.2% #138 AG · #1376 CHGLP strongholds7.4% #91 AG · #687 CHGreen strongholds5.8% #94 AG · #1385 CHLargest by area4.4 km² #141 AG · #1649 CHHighest municipalities459 m #77 AG · #1463 CHSecond homes6.7% #140 AG · #1869 CHOrganic farming0% #188 AG · #1883 CHBest-connected municipalities57 min #57 AG · #688 CHRemotest municipalities57 min #142 AG · #1433 CHHighest peaks602 m #107 AG · #1537 CHHighest-lying municipalities431 m #130 AG · #1856 CHGreatest vertical range213 m #102 AG · #1301 CHSteepest municipalities6.7° #112 AG · #1289 CHSolar potential49 GWh #27 AG · #346 CHSolar potential per capita5'383 kWh #178 AG · #1922 CHCheapest electricity26.75 Rp./kWh #75 AG · #1080 CHMost expensive electricity26.75 Rp./kWh #122 AG · #1027 CH
Postal codes (3)
swisstopoLocalities
swisstopo · 3Nearby municipalities
swisstopo- What is the postal code of Aarburg?
- Aarburg has 3 postal codes: 4600, 4663, 4665.
- What is the tax rate in Aarburg?
- The municipal tax multiplier of Aarburg is 116% (2026); canton AG levies 103%.
- How much tax do you pay in Aarburg?
- A single person without children pays about 13'379 CHF income tax in Aarburg on 100'000 CHF gross income (federal, cantonal, municipal), rank 148 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Aarburg have?
- Aarburg has 9'040 residents (2025).
- How many foreign residents live in Aarburg?
- Aarburg has 4'144 foreign residents, a share of 45.84% (2025).
Map
OpenStreetMapAarburg compared with
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