Switzerland · Canton SO · District
Bezirk Olten
SolothurnBezirk Olten is one of 10 districts of the canton of Solothurn and comprises 15 municipalities with 59'428 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.
Municipalities in Bezirk Olten
BFS · 15Olten
19'265Residents
Wangen bei Olten
5'598Residents
Dulliken
5'489Residents
Schönenwerd
5'437Residents
Hägendorf
5'343Residents
Kappel
3'591Residents
Däniken
3'108Residents
Gretzenbach
2'825Residents
Starrkirch-Wil
2'020Residents
Fulenbach
1'841Residents
Gunzgen
1'783Residents
Rickenbach
1'208Residents
Boningen
816Residents
Walterswil
768Residents
Eppenberg-Wöschnau
336Residents
Federal Statistical Office (FSO), retrieved 12.08.2026
Votes in Bezirk Olten
district results as published by BFS14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes
53.2% YesNo 46.8%
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes
46.7% YesNo 53.4%
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
62.8% YesNo 37.2%
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes
28.5% YesNo 71.5%
08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes
36.7% YesNo 63.4%
08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes
35.8% YesNo 64.2%
08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes
74.6% YesNo 25.4%
08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes
42.2% YesNo 57.8%
Federal Statistical Office (FSO), retrieved 12.08.2026
Politics
National Council election 2023 · sum of its municipalitiesSVP26.0% · strongest party
SVP26.0%
SP19.7%
FDP17.3%
Mitte15.2%
GRÜNE11.8%
GLP6.5%
EVP1.8%
Übrige1.6%
Tax rate in the district
ESTV 2026Däniken
81 %
median of its municipalities
113 %
Boningen
125 %
A district has no tax rate of its own. Rates range from 81 % % in Däniken to 125 % % in Boningen (median 113 % %).
Tax burden (single, CHF 100,000): 14.1 % in Däniken to 17 % in Boningen (ESTV 2'026)
Housing
BFSVacancy rate
2.42 %
Dwellings
29'961
Avg. rooms
3.8
Built before 1946
22.5%
Vacancy rate: published by BFS for the district (2025) · Dwellings: sum of its municipalities (2024)
Population change
BFS · 2025 · sum of its municipalitiesPopulation change 2025
+702 +1.2%
births
584
deaths
549
net migration
+682
BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Economy
BFS · 2024 · sum of its municipalitiesJobs
40'937
Workplaces
3'959
Services share
80.8 %
Jobs by sector: Primary 329 (0.8%) · Secondary 7'281 (17.8%) · Tertiary 33'088 (80.8%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 11.09.2026
Agriculture
BFS · 2025 · sum of its municipalitiesFarms
99
Organic share
4 %
Farmland
2'315 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Climate · Terrain
MeteoSchweiz · swisstopoAnnual mean temperature
9.4 °C
Precipitation
1'090 mm
Elevation
364–1'122 m
Flat share
43.1%
Climate: area-weighted over its municipalities · Terrain: swissALTIRegio 40 m, zonal over the district polygon
Energy · Accessibility
BFE · ElCom · ARESolar potential
446 GWh
Electricity
31.2 Rp./kWh
Public transport to centre
60 min
Road to centre
47 min
Solar potential: sum of its municipalities · Electricity: median of its municipalities (25.356–34.48 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 Olten rank
sum of its municipalities4438Langenbruck×34600Olten×34612Wangen b. Olten4613Rickenbach SO4614Hägendorf4615Allerheiligenberg4616Kappel SO4617Gunzgen4618Boningen4629Fulenbach4632Trimbach×24656Starrkirch-Wil×24657Dulliken4658Däniken SO4663Aarburg×25012Schönenwerd +15014Gretzenbach5746Walterswil SO
5 of these postal codes reach across the district border.
Map
swisstopo · OSM- Which municipalities belong to Bezirk Olten?
- Bezirk Olten comprises 15 municipalities: Olten, Wangen bei Olten, Dulliken, Schönenwerd, Hägendorf, Kappel, Däniken, Gretzenbach, Starrkirch-Wil, Fulenbach, Gunzgen, Rickenbach, Boningen, Walterswil, Eppenberg-Wöschnau. Together they have 59'428 residents (BFS, 2025).
- Which canton is Bezirk Olten in?
- Bezirk Olten lies in the canton of Solothurn, which is divided into 10 districts.
- How many people live in Bezirk Olten?
- Bezirk Olten has 59'428 residents (BFS STATPOP, 2025) — the sum of its 15 municipalities; the largest is Olten with 19'265.
- Does Bezirk Olten have its own tax rate?
- No. Tax rates are set by municipalities. In Bezirk Olten the municipal rate ranges from 81 % (Däniken) to 125 % (Boningen).
- How did Bezirk Olten vote in the latest federal vote?
- On 14.06.2026, Bezirk Olten voted 53.2 % yes on “Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)” (Accepted) — the district figure BFS publishes.
Districts exist in 17 cantons; UR, OW, NW, GL, ZG, BS, AI, NE and GE have no such level.