Demographics
BFS · 2025Women
1'496 49.4%
Men
1'534 50.6%
Children & youth (0–19)
608 20.1%
Swiss citizens
2'393 79.0%
Foreign residents
637 21.0%
Population density
493 pop./km²
0–19 · 608 · 20.1%20–64 · 1'790 · 59.1%65+ · 632 · 20.9%
Foreign residents 21.0%0%64.0%
Population change 2025: +7 (+0.2%) · 22 births · 26 deaths · net migration +36
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 Bremgarten: 23.2% Yes
19.0% YesNo 81.0%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Bremgarten: 31.4% Yes
33.2% YesNo 66.8%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Bremgarten: 58.4% Yes
61.9% YesNo 38.1%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Bremgarten: 54.9% Yes
60.7% YesNo 39.3%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Bremgarten: 40.2% Yes
38.3% YesNo 61.7%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Bremgarten: 49.3% Yes
52.8% YesNo 47.3%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Bremgarten: 48.4% Yes
39.9% YesNo 60.1%
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 Bremgarten: 20.5% Yes
13.4% YesNo 86.6%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Bremgarten: 44.8% Yes
50.0% YesNo 50.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Bremgarten: 38.6% Yes
40.6% YesNo 59.4%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP46.3% · strongest party
SVP46.3%
Mitte17.3%
FDP10.9%
SP9.1%
GLP7.0%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier103%
Cantonal tax multiplier103%
103%AG range 48%127%
Tax rank 67 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
12'685 CHF(12.7%)
Rank 67 of 196 in the canton · 434 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:12'685 CHF(~12.7%)
NiederwilCanton range AargauSwitzerland median
Show data table
| Gross income | Niederwil | 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 | 8.4% | 6.4–9.3% | 10.5% |
| 70'000 | 9.7% | 7.4–10.7% | 11.9% |
| 80'000 | 10.8% | 8.2–11.9% | 13.1% |
| 90'000 | 11.6% | 8.9–12.8% | 14.1% |
| 100'000 | 12.7% | 9.8–14% | 15.3% |
| 110'000 | 13.6% | 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 | 15.8% | 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 | 19.4% | 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 | 22.7% | 18.4–24.5% | 26.8% |
| 300'000 | 23.4% | 19.1–25.3% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–202010.1 °C
Precipitation 1991–20201'072 mm
10.1 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
504 m
Mean elevation
418 m
Relief
156 m
Mean slope
4.7°
Flat share
65.6%
South-facing
1.9%
Above 2000 m
0.0%
Relief 156 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
24 GWh/yr
Roofs + façades
30.8 GWh/yr
≈ households powered
5'300
Per inhabitant
7'917 kWh/yr
24 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
23.25 Rp./kWh
Energy
10.8 Rp./kWh
Grid usage
8.02 Rp./kWh
Levies + grid surcharge
3.1 Rp./kWh
23.25 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Einwohner- & Ortsbürgergemeinde Niederwil AG, Elektrizitätsversorgung
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
1.02 %
Second homes
7.3 %
Avg. rooms
4.1
Dwellings
1'373
Built before 194610.0%
Built since 200135.3%
1.02 %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
1'390
Workplaces
174
Services share
64.9 %
Jobs by sector: Primary 83 (6.0%) · Secondary 405 (29.1%) · Tertiary 902 (64.9%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
15
Organic share
20 %
Farmland
274 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 municipalities3'030 #83 AG · #724 CHGrowing municipalities0.2% #128 AG · #1270 CHShrinking municipalities0.2% #68 AG · #840 CHJobs per resident0.46 #47 AG · #641 CHFamilies & children20.1% #109 AG · #1115 CHAge structure20.9% #61 AG · #1064 CHWomen share49.4% #103 AG · #1338 CHForeign residents21% #98 AG · #778 CHPopulation density493/km² #85 AG · #510 CHTax burden12'685 #69 AG · #436 CHTaxes103% #67 AGWarmest municipalities10.1 °C #37 AG · #423 CHSunniest municipalities40.2% #76 AG · #1761 CHRainiest municipalities1'072 mm #117 AG · #1265 CHVoter turnout53.4% #127 AG · #1437 CHAgainst Switzerland16.7% #65 AG · #787 CHAligned with Switzerland83.3% #100 AG · #678 CHSVP strongholds46.3% #59 AG · #346 CHSP strongholds9.1% #160 AG · #1605 CHCentre strongholds17.3% #32 AG · #680 CHFDP strongholds10.9% #119 AG · #1284 CHGLP strongholds7% #102 AG · #759 CHGreen strongholds3.6% #171 AG · #1800 CHLargest by area6.2 km² #93 AG · #1372 CHHighest municipalities405 m #128 AG · #1869 CHSecond homes7.3% #123 AG · #1761 CHOrganic farming20% #42 AG · #640 CHBest-connected municipalities65 min #108 AG · #944 CHRemotest municipalities65 min #84 AG · #1174 CHHighest peaks504 m #164 AG · #1864 CHHighest-lying municipalities418 m #147 AG · #1923 CHGreatest vertical range156 m #148 AG · #1562 CHSteepest municipalities4.7° #157 AG · #1627 CHSolar potential24 GWh #87 AG · #876 CHSolar potential per capita7'917 kWh #111 AG · #1479 CHCheapest electricity23.25 Rp./kWh #6 AG · #73 CHMost expensive electricity23.25 Rp./kWh #191 AG · #2034 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Niederwil?
- The postal code of Niederwil is 5524.
- What is the tax rate in Niederwil?
- The municipal tax multiplier of Niederwil is 103% (2026); canton AG levies 103%.
- How much tax do you pay in Niederwil?
- A single person without children pays about 12'685 CHF income tax in Niederwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 67 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Niederwil have?
- Niederwil has 3'030 residents (2025).
- How many foreign residents live in Niederwil?
- Niederwil has 637 foreign residents, a share of 21.02% (2025).
Map
OpenStreetMapNiederwil compared with
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