Demographics
BFS · 2025Women
6'582 50.4%
Men
6'472 49.6%
Children & youth (0–19)
2'470 18.9%
Swiss citizens
10'143 77.7%
Foreign residents
2'911 22.3%
Population density
1'178 pop./km²
0–19 · 2'470 · 18.9%20–64 · 7'838 · 60.0%65+ · 2'746 · 21.0%
Foreign residents 22.3%0%64.0%
Population change 2025: +178 (+1.4%) · 110 births · 107 deaths · net migration +171
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
29.6% YesNo 70.4%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Zofingen: 33.3% Yes
23.6% YesNo 76.4%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Zofingen: 56.3% Yes
49.9% YesNo 50.2%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Zofingen: 56.1% Yes
39.8% YesNo 60.2%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Zofingen: 41.9% Yes
46.4% YesNo 53.6%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Zofingen: 54.8% Yes
52.8% YesNo 47.2%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Zofingen: 45.5% Yes
52.6% YesNo 47.4%
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 Zofingen: 22.2% Yes
30.8% YesNo 69.2%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Zofingen: 45.5% Yes
34.9% YesNo 65.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Zofingen: 41.4% Yes
30.9% YesNo 69.1%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP24.9% · strongest party
SVP24.9%
SP23.6%
FDP15.6%
GLP9.3%
Mitte9.3%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier99%
Cantonal tax multiplier103%
99%AG range 48%127%
Tax rank 54 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
12'472 CHF(12.5%)
Rank 49 of 196 in the canton · 393 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:12'472 CHF(~12.5%)
ZofingenCanton range AargauSwitzerland median
Show data table
| Gross income | Zofingen | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 5% | 3.8–5.6% | 5.4% |
| 50'000 | 6.8% | 5.2–7.7% | 7.8% |
| 60'000 | 8.3% | 6.4–9.3% | 10.5% |
| 70'000 | 9.6% | 7.4–10.7% | 11.9% |
| 80'000 | 10.6% | 8.2–11.9% | 13.1% |
| 90'000 | 11.4% | 8.9–12.8% | 14.1% |
| 100'000 | 12.5% | 9.8–14% | 15.3% |
| 110'000 | 13.4% | 10.5–14.9% | 16.3% |
| 120'000 | 14.1% | 11.2–15.8% | 17.2% |
| 130'000 | 14.8% | 11.7–16.5% | 18.1% |
| 140'000 | 15.5% | 12.4–17.3% | 19% |
| 150'000 | 16.2% | 13–18% | 19.7% |
| 175'000 | 17.8% | 14.4–19.7% | 21.6% |
| 200'000 | 19.1% | 15.5–21.1% | 23.2% |
| 225'000 | 20.4% | 16.6–22.4% | 24.6% |
| 250'000 | 21.5% | 17.6–23.6% | 25.8% |
| 275'000 | 22.4% | 18.4–24.5% | 26.8% |
| 300'000 | 23.1% | 19.1–25.3% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.2 °C
Precipitation 1991–20201'113 mm
9.2 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
659 m
Mean elevation
518 m
Relief
239 m
Mean slope
8.8°
Flat share
33.9%
South-facing
19.2%
Above 2000 m
0.0%
Relief 239 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
88.9 GWh/yr
Roofs + façades
117.2 GWh/yr
≈ households powered
19'800
Per inhabitant
6'812 kWh/yr
89 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
28.37 Rp./kWh
Energy
11.65 Rp./kWh
Grid usage
12.02 Rp./kWh
Levies + grid surcharge
3.1 Rp./kWh
28.37 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator StWZ 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
0.61 %
Second homes
9.9 %
Avg. rooms
3.6
Dwellings
6'770
Built before 194628.3%
Built since 200126.5%
0.61 %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
11'090
Workplaces
1'159
Services share
69.5 %
Jobs by sector: Primary 53 (0.5%) · Secondary 3'327 (30.0%) · Tertiary 7'710 (69.5%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
13
Organic share
7.7 %
Farmland
219 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 · CC0BFS municipality number4289
Head of governmentChristiane Guyer
Websitezofingen.ch ↗
DistrictBezirk Zofingen
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities13'054 #9 AG · #114 CHGrowing municipalities1.4% #66 AG · #598 CHShrinking municipalities1.4% #132 AG · #1515 CHJobs per resident0.85 #9 AG · #135 CHFamilies & children18.9% #152 AG · #1483 CHAge structure21% #59 AG · #1047 CHWomen share50.4% #37 AG · #698 CHForeign residents22.3% #84 AG · #693 CHPopulation density1'178/km² #25 AG · #172 CHTax burden12'472 #55 AG · #399 CHTaxes99% #54 AGWarmest municipalities9.2 °C #187 AG · #1256 CHSunniest municipalities39.9% #161 AG · #1945 CHRainiest municipalities1'113 mm #68 AG · #1036 CHVoter turnout58.3% #58 AG · #794 CHAgainst Switzerland4.9% #163 AG · #1441 CHAligned with Switzerland95.1% #5 AG · #33 CHSVP strongholds24.9% #188 AG · #1562 CHSP strongholds23.6% #8 AG · #228 CHCentre strongholds9.3% #131 AG · #1268 CHFDP strongholds15.6% #26 AG · #774 CHGLP strongholds9.3% #43 AG · #397 CHGreen strongholds8.5% #18 AG · #798 CHLargest by area11.1 km² #36 AG · #887 CHHighest municipalities549 m #23 AG · #1011 CHSecond homes9.9% #41 AG · #1224 CHOrganic farming7.7% #121 AG · #1388 CHBest-connected municipalities51 min #23 AG · #509 CHRemotest municipalities51 min #175 AG · #1618 CHHighest peaks659 m #71 AG · #1333 CHHighest-lying municipalities518 m #60 AG · #1355 CHGreatest vertical range239 m #77 AG · #1182 CHSteepest municipalities8.8° #66 AG · #1040 CHSolar potential89 GWh #8 AG · #115 CHSolar potential per capita6'812 kWh #151 AG · #1714 CHCheapest electricity28.37 Rp./kWh #111 AG · #1391 CHMost expensive electricity28.37 Rp./kWh #86 AG · #716 CH
Postal codes (3)
swisstopoLocalities
swisstopo · 3Nearby municipalities
swisstopo- What is the postal code of Zofingen?
- Zofingen has 3 postal codes: 4800, 4812, 4814.
- What is the tax rate in Zofingen?
- The municipal tax multiplier of Zofingen is 99% (2026); canton AG levies 103%.
- How much tax do you pay in Zofingen?
- A single person without children pays about 12'472 CHF income tax in Zofingen on 100'000 CHF gross income (federal, cantonal, municipal), rank 49 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Zofingen have?
- Zofingen has 13'054 residents (2025).
- How many foreign residents live in Zofingen?
- Zofingen has 2'911 foreign residents, a share of 22.3% (2025).
Map
OpenStreetMapZofingen compared with
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