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Demographics

BFS · 2025
Women
3'609 52.3%
Men
3'289 47.7%
Children & youth (0–19)
1'332 19.3%
Swiss citizens
4'887 70.9%
Foreign residents
2'011 29.2%
Population density
1'191 pop./km²
0–19 · 1'332 · 19.3%20–64 · 3'877 · 56.2%65+ · 1'689 · 24.5%
Foreign residents 29.2%0%64.0%
Population change 2025: −3 (−0%) · 46 births · 74 deaths · net migration +46
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 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Dorneck: 29.4% Yes
30.1% YesNo 69.9%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Dorneck: 51.2% Yes
42.5% YesNo 57.5%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Dorneck: 45.4% Yes
38.0% YesNo 62.0%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Dorneck: 62.8% Yes
68.9% YesNo 31.1%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Dorneck: 62.7% Yes
68.2% YesNo 31.8%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Dorneck: 52.7% Yes
53.5% YesNo 46.5%
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
33.0% YesNo 67.0%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Dorneck: 37.0% Yes
35.3% YesNo 64.7%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Dorneck: 38.5% Yes
38.6% YesNo 61.4%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
SVP22.0% · strongest party
SVP22.0%
SP17.6%
GRÜNE17.2%
Mitte15.8%
FDP12.7%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier92%
Cantonal tax multiplier104%
92%SO range 65%145%
Tax rank 5 of 104 in canton Solothurn
Tax burden
Single, 100'000 CHF gross income
14'808 CHF(14.8%)
Rank 5 of 104 in the canton · 978 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
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:14'808 CHF(~14.8%)
DornachCanton range SolothurnSwitzerland median
Show data table
Gross incomeDornachSolothurnSwitzerland median
40'0006.9%6.1–8.8%5.4%
50'0009%7.9–11.4%7.8%
60'00010.7%9.4–13.5%10.5%
70'00012%10.5–15.1%11.9%
80'00013.1%11.5–16.3%13.1%
90'00013.9%12.2–17.3%14.1%
100'00014.8%13–18.4%15.3%
110'00015.6%13.8–19.3%16.3%
120'00016.3%14.4–20.1%17.2%
130'00017%15.1–20.9%18.1%
140'00017.8%15.7–21.8%19%
150'00018.4%16.4–22.5%19.7%
175'00020%17.8–24.3%21.6%
200'00021.3%19.1–25.8%23.2%
225'00022.5%20.1–27%24.6%
250'00023.5%21.1–28.2%25.8%
275'00024.3%21.9–29.1%26.8%
300'00025%22.5–29.8%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–202010.7 °C
Precipitation 1991–20201'022 mm
10.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
678 m
Mean elevation
420 m
Relief
394 m
Mean slope
12.1°
Flat share
20.2%
South-facing
11.7%
Above 2000 m
0.0%
Relief 394 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
38.4 GWh/yr
Roofs + façades
48.2 GWh/yr
≈ households powered
8'500
Per inhabitant
5'564 kWh/yr
38 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 · 2027
Tariff 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
Standard 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 · ARE
Vacancy rate
2.11 %
Second homes
11 %
Avg. rooms
3.8
Dwellings
3'551
Built before 194619.4%
Built since 200120.6%
2.11 %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 · 2024
Jobs
2'867
Workplaces
498
Services share
86.6 %
Jobs by sector: Primary 9 (0.3%) · Secondary 374 (13.0%) · Tertiary 2'484 (86.6%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
4
Organic share
75 %
Farmland
74 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 40 min · Car 18 min
AgglomerationPT 40 min · Car 18 min
Remoteness 101/104 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number2473
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities6'898 #8 SO · #286 CHGrowing municipalities-0% #66 SO · #1448 CHShrinking municipalities-0% #39 SO · #658 CHJobs per resident0.42 #29 SO · #762 CHFamilies & children19.3% #60 SO · #1365 CHAge structure24.5% #28 SO · #457 CHWomen share52.3% #3 SO · #96 CHForeign residents29.2% #18 SO · #340 CHPopulation density1'191/km² #8 SO · #170 CHTax burden14'808 #5 SO · #978 CHTaxes92% #5 SOWarmest municipalities10.7 °C #2 SO · #154 CHSunniest municipalities41.3% #9 SO · #1279 CHRainiest municipalities1'022 mm #97 SO · #1530 CHVoter turnout55.7% #38 SO · #1123 CHAgainst Switzerland19.8% #14 SO · #520 CHAligned with Switzerland80.2% #62 SO · #938 CHSVP strongholds22% #94 SO · #1699 CHSP strongholds17.6% #30 SO · #672 CHCentre strongholds15.8% #66 SO · #774 CHFDP strongholds12.7% #82 SO · #1064 CHGLP strongholds7% #25 SO · #751 CHGreen strongholds17.2% #4 SO · #57 CHLargest by area5.8 km² #53 SO · #1419 CHHighest municipalities387 m #100 SO · #1944 CHSecond homes11% #35 SO · #1046 CHOrganic farming75% #1 SO · #42 CHBest-connected municipalities40 min #4 SO · #232 CHRemotest municipalities40 min #101 SO · #1877 CHHighest peaks678 m #53 SO · #1274 CHHighest-lying municipalities420 m #98 SO · #1910 CHGreatest vertical range394 m #43 SO · #825 CHSteepest municipalities12.1° #39 SO · #760 CHSolar potential38 GWh #18 SO · #493 CHSolar potential per capita5'564 kWh #101 SO · #1894 CHCheapest electricity31.21 Rp./kWh #65 SO · #1908 CHMost expensive electricity31.21 Rp./kWh #21 SO · #160 CH

Localities

swisstopo · 1
What is the postal code of Dornach?
The postal code of Dornach is 4143.
What is the tax rate in Dornach?
The municipal tax multiplier of Dornach is 92% (2026); canton SO levies 104%.
How much tax do you pay in Dornach?
A single person without children pays about 14'808 CHF income tax in Dornach on 100'000 CHF gross income (federal, cantonal, municipal), rank 5 of 104 in canton SO. Source: ESTV (2026).
How many residents does Dornach have?
Dornach has 6'898 residents (2025).
How many foreign residents live in Dornach?
Dornach has 2'011 foreign residents, a share of 29.15% (2025).

Map

OpenStreetMap