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Switzerland · Canton SO · District

Bezirk Dorneck

Solothurn

Bezirk Dorneck is one of 10 districts of the canton of Solothurn and comprises 11 municipalities with 21'261 residents in all (BFS, 2025). A district is an administrative unit of the canton — a court and administrative area, not a postal delivery area: postal codes and localities follow delivery routes and can cross district borders.

Residents
21'261
sum of its municipalities
Municipalities
11
Switzerland
Area
75 km²
swisstopo
Density
285 /km²
sum of its municipalities
BFS district number
1104
BFS

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN · swissTLM3D · swissTLMRegio

Municipalities in Bezirk Dorneck

BFS · 11
Dornach
6'898Residents
Hofstetten-Flüh
3'410Residents
Nuglar-St. Pantaleon
1'580Residents
Witterswil
1'475Residents
Rodersdorf
1'398Residents
Hochwald
1'278Residents
Bättwil
1'185Residents
Seewen
1'088Residents
Büren
1'060Residents
Metzerlen-Mariastein
970Residents
Gempen
919Residents
Federal Statistical Office (FSO), retrieved 24.09.2026

Votes in Bezirk Dorneck

district results as published by BFS
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% Yes
29.8% YesNo 70.2%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% Yes
29.4% YesNo 70.6%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% Yes
51.2% YesNo 48.8%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% Yes
45.4% YesNo 54.6%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% Yes
62.8% YesNo 37.2%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% Yes
62.7% YesNo 37.3%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% Yes
52.7% YesNo 47.3%
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% Yes
28.1% YesNo 71.9%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% Yes
37.0% YesNo 63.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% Yes
38.5% YesNo 61.5%
All federal votes →
Federal Statistical Office (FSO), retrieved 24.09.2026

Politics

National Council election 2023 · sum of its municipalities
SVP28.2% · strongest party
SVP28.2%
SP17.3%
Mitte17.2%
GRÜNE12.8%
FDP12.2%
GLP6.8%
Übrige4.1%
EVP1.4%

Tax rate in the district

ESTV 2026
Dornach
92 %
median of its municipalities
122 %
Nuglar-St. Pantaleon
131 %

A district has no tax rate of its own. Rates range from 92 % % in Dornach to 131 % % in Nuglar-St. Pantaleon (median 122 % %).

Tax burden (single, CHF 100,000): 14.8 % in Dornach to 17.4 % in Nuglar-St. Pantaleon (ESTV 2'026)

Housing

BFS
Vacancy rate
1.73 %
Dwellings
10'448
Avg. rooms
4.1
Built before 1946
20.3%

Vacancy rate: published by BFS for the district (2025) · Dwellings: sum of its municipalities (2024)

Population change

BFS · 2025 · sum of its municipalities
Population change 2025
−64 −0.3%
births
151
deaths
174
net migration
−22
BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026

Economy

BFS · 2024 · sum of its municipalities
Jobs
6'021
Workplaces
1'360
Services share
76 %
Jobs by sector: Primary 410 (6.8%) · Secondary 1'036 (17.2%) · Tertiary 4'575 (76.0%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025 · sum of its municipalities
Farms
110
Organic share
11.8 %
Farmland
3'162 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Climate · Terrain

MeteoSchweiz · swisstopo
Annual mean temperature
9.6 °C
Precipitation
1'087 mm
Elevation
283–896 m
Flat share
29.2%

Climate: area-weighted over its municipalities · Terrain: swissALTIRegio 40 m, zonal over the district polygon

Energy · Accessibility

BFE · ElCom · ARE
Solar potential
160 GWh
Electricity
31.2 Rp./kWh
Public transport to centre
43 min
Road to centre
28 min

Solar potential: sum of its municipalities · Electricity: median of its municipalities (31.205–31.743 Rp./kWh, 2027). ElCom publishes a median per municipality; the district value is our median of those. · Accessibility: median of its municipalities

Where the municipalities of Bezirk Dorneck rank

sum of its municipalities
MunicipalitiesLargest municipalitiesForeign residentsTax burden
Dornach8/10418/1045/104
Hofstetten-Flüh27/10432/10428/104
Nuglar-St. Pantaleon52/10468/104100/104
Witterswil55/10438/10420/104
Rodersdorf58/10470/10495/104
Hochwald61/10474/10435/104
Bättwil67/10446/10456/104
Seewen72/10472/10470/104
Büren74/10450/10467/104
Metzerlen-Mariastein78/10461/10490/104
Gempen81/10444/10437/104

Postal codes in Bezirk Dorneck

15
4105Biel-Benken BL×24108Witterswil4112Bättwil +14114Hofstetten SO4115Mariastein4116Metzerlen4118Rodersdorf4143Dornach4145Gempen4146Hochwald4204Himmelried×24206Seewen SO×24412Nuglar×24413Büren SO4421St. Pantaleon

4 of these postal codes reach across the district border.

Localities in Bezirk Dorneck

16
BättwilBiel-Benken BLBüren SODornachFlühGempenHimmelriedHochwaldHofstetten SOMariasteinMetzerlenNuglarRodersdorfSeewen SOSt. PantaleonWitterswil

Map

swisstopo · OSM

Neighbouring districts

6
Bezirk ArlesheimBLBezirk LaufenBLBezirk ThiersteinSOBezirk LiestalBLBezirk WaldenburgBLBezirk ThalSO

Other districts in the canton of Solothurn

9
Bezirk Gäu23'418Bezirk Thal15'651Bezirk Bucheggberg8'273Bezirk Gösgen26'303Bezirk Wasseramt54'436Bezirk Lebern48'743Bezirk Olten59'428Bezirk Solothurn16'830Bezirk Thierstein15'529

Frequently asked questions

Which municipalities belong to Bezirk Dorneck?
Bezirk Dorneck comprises 11 municipalities: Dornach, Hofstetten-Flüh, Nuglar-St. Pantaleon, Witterswil, Rodersdorf, Hochwald, Bättwil, Seewen, Büren, Metzerlen-Mariastein, Gempen. Together they have 21'261 residents (BFS, 2025).
Which canton is Bezirk Dorneck in?
Bezirk Dorneck lies in the canton of Solothurn, which is divided into 10 districts.
How many people live in Bezirk Dorneck?
Bezirk Dorneck has 21'261 residents (BFS STATPOP, 2025) — the sum of its 11 municipalities; the largest is Dornach with 6'898.
Does Bezirk Dorneck have its own tax rate?
No. Tax rates are set by municipalities. In Bezirk Dorneck the municipal rate ranges from 92 % (Dornach) to 131 % (Nuglar-St. Pantaleon).
How did Bezirk Dorneck vote in the latest federal vote?
On 27.09.2026, Bezirk Dorneck voted 29.8 % yes on “Popular Initiative 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'” (Rejected) — the district figure BFS publishes.

Districts exist in 17 cantons; UR, OW, NW, GL, ZG, BS, AI, NE and GE have no such level.