Demographics
BFS · 2025Women
539 50.8%
Men
521 49.2%
Children & youth (0–19)
226 21.3%
Swiss citizens
898 84.7%
Foreign residents
162 15.3%
Population density
170 pop./km²
0–19 · 226 · 21.3%20–64 · 627 · 59.2%65+ · 207 · 19.5%
Foreign residents 15.3%0%64.0%
Population change 2025: −17 (−1.6%) · 14 births · 3 deaths · net migration −25
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 Dorneck: 29.8% Yes
24.1% YesNo 75.9%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Dorneck: 29.4% Yes
32.7% YesNo 67.3%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Dorneck: 51.2% Yes
56.1% YesNo 43.9%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Dorneck: 45.4% Yes
52.3% YesNo 47.7%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Dorneck: 62.8% Yes
60.7% YesNo 39.3%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Dorneck: 62.7% Yes
60.6% YesNo 39.4%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Dorneck: 52.7% Yes
46.3% YesNo 53.7%
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 Dorneck: 28.1% Yes
22.8% YesNo 77.2%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Dorneck: 37.0% Yes
40.2% YesNo 59.9%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Dorneck: 38.5% Yes
36.1% YesNo 63.9%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP33.1% · strongest party
SVP33.1%
Mitte18.8%
SP13.3%
GRÜNE12.7%
FDP11.2%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier125%
Cantonal tax multiplier104%
125%SO range 65%145%
Tax rank 66 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
17'010 CHF(17%)
Rank 64 of 104 in the canton · 1830 of 2110 in Switzerland
Median canton 16'810 CHF · median Switzerland 15'290 CHF
Cheapest Kammersrohr 13'027 CHF · most expensive Bolken 18'375 CHF
100'000 CHF:17'010 CHF(~17%)
BürenCanton range SolothurnSwitzerland median
Show data table
| Gross income | Büren | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 8% | 6.1–8.8% | 5.4% |
| 50'000 | 10.4% | 7.9–11.4% | 7.8% |
| 60'000 | 12.4% | 9.4–13.5% | 10.5% |
| 70'000 | 13.9% | 10.5–15.1% | 11.9% |
| 80'000 | 15.1% | 11.5–16.3% | 13.1% |
| 90'000 | 16% | 12.2–17.3% | 14.1% |
| 100'000 | 17% | 13–18.4% | 15.3% |
| 110'000 | 17.9% | 13.8–19.3% | 16.3% |
| 120'000 | 18.6% | 14.4–20.1% | 17.2% |
| 130'000 | 19.4% | 15.1–20.9% | 18.1% |
| 140'000 | 20.2% | 15.7–21.8% | 19% |
| 150'000 | 20.9% | 16.4–22.5% | 19.7% |
| 175'000 | 22.7% | 17.8–24.3% | 21.6% |
| 200'000 | 24.1% | 19.1–25.8% | 23.2% |
| 225'000 | 25.3% | 20.1–27% | 24.6% |
| 250'000 | 26.4% | 21.1–28.2% | 25.8% |
| 275'000 | 27.3% | 21.9–29.1% | 26.8% |
| 300'000 | 28% | 22.5–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–202010 °C
Precipitation 1991–20201'116 mm
10 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
728 m
Mean elevation
530 m
Relief
326 m
Mean slope
14.9°
Flat share
13.8%
South-facing
23.6%
Above 2000 m
0.0%
Relief 326 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
8.7 GWh/yr
Roofs + façades
11.4 GWh/yr
≈ households powered
1'900
Per inhabitant
8'160 kWh/yr
9 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
31.21 Rp./kWh
Energy
13.45 Rp./kWh
Grid usage
13.78 Rp./kWh
Levies + grid surcharge
2.91 Rp./kWh
31.21 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Primeo Netz 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 300606 CHF/mo
Ø premium in canton Solothurn424 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 Solothurn (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
2.17 %
Second homes
13.1 %
Avg. rooms
4.2
Dwellings
508
Built before 194628.0%
Built since 200122.2%
2.17 %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
169
Workplaces
68
Services share
76.3 %
Jobs by sector: Primary 32 (18.9%) · Secondary 8 (4.7%) · Tertiary 129 (76.3%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
10
Organic share
0 %
Farmland
287 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 municipalities1'060 #74 SO · #1424 CHGrowing municipalities-1.6% #93 SO · #1931 CHShrinking municipalities-1.6% #12 SO · #176 CHJobs per resident0.16 #87 SO · #1941 CHFamilies & children21.3% #15 SO · #717 CHAge structure19.5% #87 SO · #1337 CHWomen share50.8% #24 SO · #506 CHForeign residents15.3% #50 SO · #1257 CHPopulation density170/km² #71 SO · #1128 CHTax burden17'010 #67 SO · #1833 CHTaxes125% #66 SOWarmest municipalities10 °C #7 SO · #499 CHSunniest municipalities41.7% #4 SO · #1178 CHRainiest municipalities1'116 mm #45 SO · #1004 CHVoter turnout55% #42 SO · #1206 CHAgainst Switzerland11.8% #44 SO · #1113 CHAligned with Switzerland88.2% #30 SO · #337 CHSVP strongholds33.1% #47 SO · #1096 CHSP strongholds13.3% #55 SO · #1131 CHCentre strongholds18.8% #52 SO · #598 CHFDP strongholds11.2% #95 SO · #1247 CHGLP strongholds5.6% #47 SO · #1053 CHGreen strongholds12.7% #11 SO · #273 CHLargest by area6.2 km² #49 SO · #1370 CHHighest municipalities446 m #74 SO · #1562 CHSecond homes13.1% #12 SO · #769 CHOrganic farming0% #69 SO · #1753 CHBest-connected municipalities47 min #10 SO · #389 CHRemotest municipalities47 min #95 SO · #1724 CHHighest peaks728 m #47 SO · #1134 CHHighest-lying municipalities530 m #46 SO · #1306 CHGreatest vertical range326 m #46 SO · #946 CHSteepest municipalities14.9° #26 SO · #586 CHSolar potential9 GWh #78 SO · #1640 CHSolar potential per capita8'160 kWh #70 SO · #1434 CHCheapest electricity31.21 Rp./kWh #64 SO · #1907 CHMost expensive electricity31.21 Rp./kWh #20 SO · #159 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Büren?
- The postal code of Büren is 4413.
- What is the tax rate in Büren?
- The municipal tax multiplier of Büren is 125% (2026); canton SO levies 104%.
- How much tax do you pay in Büren?
- A single person without children pays about 17'010 CHF income tax in Büren on 100'000 CHF gross income (federal, cantonal, municipal), rank 64 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Büren have?
- Büren has 1'060 residents (2025).
- How many foreign residents live in Büren?
- Büren has 162 foreign residents, a share of 15.28% (2025).
Map
OpenStreetMapBüren compared with
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