Demographics
BFS · 2025Women
832 49.1%
Men
864 50.9%
Children & youth (0–19)
306 18.0%
Swiss citizens
1'468 86.6%
Foreign residents
228 13.4%
Population density
109 pop./km²
0–19 · 306 · 18.0%20–64 · 959 · 56.5%65+ · 431 · 25.4%
Foreign residents 13.4%0%64.0%
Population change 2025: +0 (+0%) · 17 births · 12 deaths · net migration −3
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 Brugg: 26.3% Yes
25.9% YesNo 74.1%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Brugg: 28.2% Yes
30.6% YesNo 69.4%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Brugg: 57.0% Yes
59.0% YesNo 41.0%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Brugg: 49.2% Yes
56.6% YesNo 43.4%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Brugg: 44.0% Yes
41.8% YesNo 58.2%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Brugg: 52.4% Yes
48.1% YesNo 51.9%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Brugg: 48.0% Yes
43.0% YesNo 57.0%
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 Brugg: 25.8% Yes
21.4% YesNo 78.6%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Brugg: 40.4% Yes
43.3% YesNo 56.7%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Brugg: 35.3% Yes
38.6% YesNo 61.4%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP42.5% · strongest party
SVP42.5%
SP13.3%
FDP11.0%
Mitte8.6%
GRÜNE8.1%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier96%
Cantonal tax multiplier103%
96%AG range 48%127%
Tax rank 34 of 196 in canton AargauTax burden
Single, 100'000 CHF gross income
12'312 CHF(12.3%)
Rank 34 of 196 in the canton · 351 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:12'312 CHF(~12.3%)
BözbergCanton range AargauSwitzerland median
Show data table
| Gross income | Bözberg | Aargau | Switzerland median |
|---|---|---|---|
| 40'000 | 4.9% | 3.8–5.6% | 5.4% |
| 50'000 | 6.7% | 5.2–7.7% | 7.8% |
| 60'000 | 8.2% | 6.4–9.3% | 10.5% |
| 70'000 | 9.4% | 7.4–10.7% | 11.9% |
| 80'000 | 10.4% | 8.2–11.9% | 13.1% |
| 90'000 | 11.3% | 8.9–12.8% | 14.1% |
| 100'000 | 12.3% | 9.8–14% | 15.3% |
| 110'000 | 13.2% | 10.5–14.9% | 16.3% |
| 120'000 | 14% | 11.2–15.8% | 17.2% |
| 130'000 | 14.6% | 11.7–16.5% | 18.1% |
| 140'000 | 15.4% | 12.4–17.3% | 19% |
| 150'000 | 16% | 13–18% | 19.7% |
| 175'000 | 17.6% | 14.4–19.7% | 21.6% |
| 200'000 | 18.9% | 15.5–21.1% | 23.2% |
| 225'000 | 20.2% | 16.6–22.4% | 24.6% |
| 250'000 | 21.2% | 17.6–23.6% | 25.8% |
| 275'000 | 22.1% | 18.4–24.5% | 26.8% |
| 300'000 | 22.9% | 19.1–25.3% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.6 °C
Precipitation 1991–20201'006 mm
9.6 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
757 m
Mean elevation
545 m
Relief
355 m
Mean slope
8.3°
Flat share
40.5%
South-facing
18.0%
Above 2000 m
0.0%
Relief 355 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
20.5 GWh/yr
Roofs + façades
26.3 GWh/yr
≈ households powered
4'600
Per inhabitant
12'105 kWh/yr
21 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
29.56 Rp./kWh
Energy
10.37 Rp./kWh
Grid usage
14.95 Rp./kWh
Levies + grid surcharge
2.95 Rp./kWh
29.56 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator AEW 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
0.24 %
Second homes
8.7 %
Avg. rooms
4.3
Dwellings
818
Built before 194632.8%
Built since 200120.5%
0.24 %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
340
Workplaces
141
Services share
64.4 %
Jobs by sector: Primary 91 (26.8%) · Secondary 30 (8.8%) · Tertiary 219 (64.4%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
37
Organic share
5.4 %
Farmland
811 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 municipalities1'696 #120 AG · #1074 CHGrowing municipalities0% #145 AG · #1422 CHShrinking municipalities0% #53 AG · #696 CHJobs per resident0.2 #162 AG · #1782 CHFamilies & children18% #171 AG · #1671 CHAge structure25.4% #9 AG · #365 CHWomen share49.1% #120 AG · #1485 CHForeign residents13.4% #170 AG · #1410 CHPopulation density109/km² #185 AG · #1422 CHTax burden12'312 #35 AG · #352 CHTaxes96% #34 AGWarmest municipalities9.6 °C #140 AG · #899 CHSunniest municipalities39.8% #164 AG · #1974 CHRainiest municipalities1'006 mm #178 AG · #1597 CHVoter turnout58.6% #54 AG · #751 CHAgainst Switzerland18.6% #48 AG · #620 CHAligned with Switzerland81.4% #116 AG · #831 CHSVP strongholds42.5% #91 AG · #525 CHSP strongholds13.3% #91 AG · #1135 CHCentre strongholds8.6% #144 AG · #1361 CHFDP strongholds11% #115 AG · #1275 CHGLP strongholds8% #74 AG · #584 CHGreen strongholds8.1% #26 AG · #864 CHLargest by area15.5 km² #10 AG · #626 CHHighest municipalities507 m #40 AG · #1175 CHSecond homes8.7% #69 AG · #1462 CHOrganic farming5.4% #131 AG · #1514 CHBest-connected municipalities65 min #109 AG · #945 CHRemotest municipalities65 min #85 AG · #1175 CHHighest peaks757 m #27 AG · #1067 CHHighest-lying municipalities545 m #38 AG · #1236 CHGreatest vertical range355 m #20 AG · #890 CHSteepest municipalities8.3° #77 AG · #1084 CHSolar potential21 GWh #103 AG · #997 CHSolar potential per capita12'105 kWh #32 AG · #740 CHCheapest electricity29.56 Rp./kWh #132 AG · #1700 CHMost expensive electricity29.56 Rp./kWh #59 AG · #401 CH
Postal codes (3)
swisstopoLocalities
swisstopo · 3Nearby municipalities
swisstopo- What is the postal code of Bözberg?
- Bözberg has 3 postal codes: 5225, 5236, 5237.
- What is the tax rate in Bözberg?
- The municipal tax multiplier of Bözberg is 96% (2026); canton AG levies 103%.
- How much tax do you pay in Bözberg?
- A single person without children pays about 12'312 CHF income tax in Bözberg on 100'000 CHF gross income (federal, cantonal, municipal), rank 34 of 196 in canton AG. Source: ESTV (2026).
- How many residents does Bözberg have?
- Bözberg has 1'696 residents (2025).
- How many foreign residents live in Bözberg?
- Bözberg has 228 foreign residents, a share of 13.44% (2025).
Map
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