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).

Switzerland · Canton SO

Büren

4413

SO CANTON4413

Residents

1'060

Area

6.2 km²

Population density

170 pop./km²

Elevation

446 m a.s.l.

Terrain up to

728 m a.s.l.

Tax multiplier

125%

Postal codes

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025

Women

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%

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026

Vote results for Büren

BFS

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes

56.1% YesNo 43.9%

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes

52.3% YesNo 47.7%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% Yes

60.7% YesNo 39.3%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% Yes

60.6% YesNo 39.4%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

46.3% YesNo 53.7%

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes

22.8% YesNo 77.2%

08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes

40.2% YesNo 59.9%

08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes

36.1% YesNo 63.9%

08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes

69.7% YesNo 30.3%

08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes

39.5% YesNo 60.5%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023

SVP33.1% · strongest party

SVP33.1%

Mitte18.8%

SP13.3%

GRÜNE12.7%

FDP11.2%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026

Taxes 2026

ESTV

Municipal tax multiplier125%

Cantonal tax multiplier104%

125%SO range 65%145%

Tax rank 66 of 104 in canton Solothurn

Tax 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

Income tax as % of gross income

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 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual 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 m

Highest 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

Solar potential

BFE

Roof potential

8.7 GWh/yr

Roofs + façades

11.4 GWh/yr

≈ households powered

1'900

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 31.08.2026

Electricity

ElCom · 2026

Tariff H4

31.98 Rp./kWh

Energy

13.73 Rp./kWh

Grid usage

14.26 Rp./kWh

Levies + grid surcharge

2.92 Rp./kWh

31.98 Rp./kWh9.6443.61

Canton median 30.42 Rp./kWhSwiss median 27.7 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.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026

Housing

BFS

Vacancy rate

2.17 %

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 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM

Major centrePT 47 min · Car 31 min

AgglomerationPT 45 min · Car 31 min

Remoteness 95/104 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0

Websitebueren-so.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities1'060 #74 SO · #1424 CH Families & children21.3% #15 SO · #717 CH Age structure19.5% #87 SO · #1337 CH Women share50.8% #24 SO · #506 CH Foreign residents15.3% #50 SO · #1257 CH Population density170/km² #71 SO · #1128 CH Tax burden17'010 #67 SO · #1833 CH Taxes125% #66 SO Warmest municipalities10 °C #7 SO · #499 CH Sunniest municipalities41.7% #4 SO · #1178 CH Rainiest municipalities1'116 mm #45 SO · #1004 CH Voter turnout53.7% #42 SO · #1259 CH Against Switzerland12% #44 SO · #1113 CH Aligned with Switzerland88% #29 SO · #337 CH SVP strongholds33.1% #47 SO · #1094 CH SP strongholds13.3% #55 SO · #1128 CH Centre strongholds18.8% #52 SO · #595 CH FDP strongholds11.2% #95 SO · #1245 CH GLP strongholds5.6% #46 SO · #1051 CH Green strongholds12.7% #11 SO · #271 CH Largest by area6.2 km² #49 SO · #1370 CH Highest municipalities446 m #74 SO · #1563 CH Remotest municipalities47 min #95 SO · #1724 CH Best-connected municipalities47 min #10 SO · #389 CH Highest peaks728 m #47 SO · #1134 CH Highest-lying municipalities530 m #46 SO · #1306 CH Greatest vertical range326 m #46 SO · #946 CH Steepest municipalities14.9° #26 SO · #586 CH Solar potential9 GWh #78 SO · #1640 CH Cheapest electricity31.98 Rp./kWh #63 SO · #1869 CH Most expensive electricity31.98 Rp./kWh #22 SO · #195 CH

Postal codes (1)

swisstopo

4413

Büren SO

Localities

swisstopo · 1

Büren SO4413

Nearby municipalities

swisstopo

Frequently asked questions

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

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