Demographics
BFS · 2025Women
470 48.5%
Men
500 51.5%
Children & youth (0–19)
172 17.7%
Swiss citizens
840 86.6%
Foreign residents
130 13.4%
Population density
114 pop./km²
0–19 · 172 · 17.7%20–64 · 547 · 56.4%65+ · 251 · 25.9%
Foreign residents 13.4%0%64.0%
Population change 2025: −18 (−1.8%) · 2 births · 11 deaths · net migration −7
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
21.9% YesNo 78.1%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Dorneck: 29.4% Yes
28.6% YesNo 71.4%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Dorneck: 51.2% Yes
61.2% YesNo 38.8%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Dorneck: 45.4% Yes
52.0% YesNo 48.0%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Dorneck: 62.8% Yes
56.0% YesNo 44.0%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Dorneck: 62.7% Yes
57.4% YesNo 42.7%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Dorneck: 52.7% Yes
54.3% YesNo 45.7%
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
18.3% YesNo 81.7%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Dorneck: 37.0% Yes
38.9% YesNo 61.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Dorneck: 38.5% Yes
36.4% YesNo 63.6%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP35.9% · strongest party
SVP35.9%
Mitte20.8%
SP15.1%
FDP12.6%
GRÜNE6.8%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier129%
Cantonal tax multiplier104%
129%SO range 65%145%
Tax rank 90 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
17'287 CHF(17.3%)
Rank 90 of 104 in the canton · 1957 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:17'287 CHF(~17.3%)
Metzerlen-MariasteinCanton range SolothurnSwitzerland median
Show data table
| Gross income | Metzerlen-Mariastein | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 8.2% | 6.1–8.8% | 5.4% |
| 50'000 | 10.6% | 7.9–11.4% | 7.8% |
| 60'000 | 12.6% | 9.4–13.5% | 10.5% |
| 70'000 | 14.1% | 10.5–15.1% | 11.9% |
| 80'000 | 15.3% | 11.5–16.3% | 13.1% |
| 90'000 | 16.2% | 12.2–17.3% | 14.1% |
| 100'000 | 17.3% | 13–18.4% | 15.3% |
| 110'000 | 18.2% | 13.8–19.3% | 16.3% |
| 120'000 | 18.9% | 14.4–20.1% | 17.2% |
| 130'000 | 19.7% | 15.1–20.9% | 18.1% |
| 140'000 | 20.5% | 15.7–21.8% | 19% |
| 150'000 | 21.3% | 16.4–22.5% | 19.7% |
| 175'000 | 23% | 17.8–24.3% | 21.6% |
| 200'000 | 24.4% | 19.1–25.8% | 23.2% |
| 225'000 | 25.7% | 20.1–27% | 24.6% |
| 250'000 | 26.7% | 21.1–28.2% | 25.8% |
| 275'000 | 27.6% | 21.9–29.1% | 26.8% |
| 300'000 | 28.4% | 22.5–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.7 °C
Precipitation 1991–20201'099 mm
9.7 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
875 m
Mean elevation
587 m
Relief
428 m
Mean slope
10.6°
Flat share
31.0%
South-facing
13.1%
Above 2000 m
0.0%
Relief 428 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
10.7 GWh/yr
Roofs + façades
13.6 GWh/yr
≈ households powered
2'400
Per inhabitant
11'010 kWh/yr
11 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
1.24 %
Second homes
11.6 %
Avg. rooms
4.3
Dwellings
483
Built before 194628.2%
Built since 200122.6%
1.24 %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
285
Workplaces
69
Services share
74.7 %
Jobs by sector: Primary 54 (18.9%) · Secondary 18 (6.3%) · Tertiary 213 (74.7%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
12
Organic share
8.3 %
Farmland
485 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 municipalities970 #78 SO · #1472 CHGrowing municipalities-1.8% #97 SO · #1967 CHShrinking municipalities-1.8% #8 SO · #141 CHJobs per resident0.29 #58 SO · #1329 CHFamilies & children17.7% #88 SO · #1710 CHAge structure25.9% #15 SO · #315 CHWomen share48.5% #83 SO · #1708 CHForeign residents13.4% #61 SO · #1413 CHPopulation density114/km² #88 SO · #1395 CHTax burden17'287 #90 SO · #1957 CHTaxes129% #90 SOWarmest municipalities9.7 °C #17 SO · #790 CHSunniest municipalities41.1% #17 SO · #1368 CHRainiest municipalities1'099 mm #52 SO · #1108 CHVoter turnout63.9% #6 SO · #267 CHSVP strongholds35.9% #26 SO · #905 CHSP strongholds15.1% #45 SO · #936 CHCentre strongholds20.8% #39 SO · #494 CHFDP strongholds12.6% #83 SO · #1075 CHGLP strongholds5.1% #61 SO · #1162 CHGreen strongholds6.8% #49 SO · #1144 CHLargest by area8.5 km² #28 SO · #1094 CHHighest municipalities526 m #30 SO · #1093 CHSecond homes11.6% #28 SO · #960 CHOrganic farming8.3% #60 SO · #1345 CHBest-connected municipalities44 min #7 SO · #317 CHRemotest municipalities44 min #97 SO · #1796 CHHighest peaks875 m #37 SO · #860 CHHighest-lying municipalities587 m #36 SO · #1057 CHGreatest vertical range428 m #39 SO · #778 CHSteepest municipalities10.6° #42 SO · #881 CHSolar potential11 GWh #72 SO · #1499 CHSolar potential per capita11'010 kWh #29 SO · #910 CHCheapest electricity31.21 Rp./kWh #69 SO · #1912 CHMost expensive electricity31.21 Rp./kWh #25 SO · #164 CH
Postal codes (2)
swisstopoLocalities
swisstopo · 2Nearby municipalities
swisstopo- What is the postal code of Metzerlen-Mariastein?
- Metzerlen-Mariastein has 2 postal codes: 4115, 4116.
- What is the tax rate in Metzerlen-Mariastein?
- The municipal tax multiplier of Metzerlen-Mariastein is 129% (2026); canton SO levies 104%.
- How much tax do you pay in Metzerlen-Mariastein?
- A single person without children pays about 17'287 CHF income tax in Metzerlen-Mariastein on 100'000 CHF gross income (federal, cantonal, municipal), rank 90 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Metzerlen-Mariastein have?
- Metzerlen-Mariastein has 970 residents (2025).
- How many foreign residents live in Metzerlen-Mariastein?
- Metzerlen-Mariastein has 130 foreign residents, a share of 13.4% (2025).
Map
OpenStreetMapMetzerlen-Mariastein compared with
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