Demographics
BFS · 2025Women
1'502 51.1%
Men
1'438 48.9%
Children & youth (0–19)
528 18.0%
Swiss citizens
2'660 90.5%
Foreign residents
280 9.5%
Population density
656 pop./km²
0–19 · 528 · 18.0%20–64 · 1'637 · 55.7%65+ · 775 · 26.4%
Foreign residents 9.5%0%64.0%
Population change 2025: −7 (−0.2%) · 26 births · 32 deaths · net migration +9
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 Wasseramt: 24.2% Yes
19.7% YesNo 80.3%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Wasseramt: 25.9% Yes
17.9% YesNo 82.1%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Wasseramt: 54.5% Yes
60.8% YesNo 39.2%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Wasseramt: 50.5% Yes
42.6% YesNo 57.4%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Wasseramt: 58.2% Yes
60.5% YesNo 39.5%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Wasseramt: 58.4% Yes
60.2% YesNo 39.8%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Wasseramt: 54.4% Yes
53.7% YesNo 46.4%
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 Wasseramt: 24.0% Yes
21.4% YesNo 78.6%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Wasseramt: 40.5% Yes
32.9% YesNo 67.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Wasseramt: 39.9% Yes
27.2% YesNo 72.8%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP25.8% · strongest party
SVP25.8%
FDP25.1%
SP17.7%
Mitte14.2%
GLP8.4%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier104%
Cantonal tax multiplier104%
104%SO range 65%145%
Tax rank 9 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
15'619 CHF(15.6%)
Rank 9 of 104 in the canton · 1129 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:15'619 CHF(~15.6%)
Lohn-AmmannseggCanton range SolothurnSwitzerland median
Show data table
| Gross income | Lohn-Ammannsegg | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 7.4% | 6.1–8.8% | 5.4% |
| 50'000 | 9.6% | 7.9–11.4% | 7.8% |
| 60'000 | 11.3% | 9.4–13.5% | 10.5% |
| 70'000 | 12.7% | 10.5–15.1% | 11.9% |
| 80'000 | 13.8% | 11.5–16.3% | 13.1% |
| 90'000 | 14.6% | 12.2–17.3% | 14.1% |
| 100'000 | 15.6% | 13–18.4% | 15.3% |
| 110'000 | 16.4% | 13.8–19.3% | 16.3% |
| 120'000 | 17.2% | 14.4–20.1% | 17.2% |
| 130'000 | 17.9% | 15.1–20.9% | 18.1% |
| 140'000 | 18.7% | 15.7–21.8% | 19% |
| 150'000 | 19.3% | 16.4–22.5% | 19.7% |
| 175'000 | 21% | 17.8–24.3% | 21.6% |
| 200'000 | 22.3% | 19.1–25.8% | 23.2% |
| 225'000 | 23.5% | 20.1–27% | 24.6% |
| 250'000 | 24.5% | 21.1–28.2% | 25.8% |
| 275'000 | 25.4% | 21.9–29.1% | 26.8% |
| 300'000 | 26.1% | 22.5–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.2 °C
Precipitation 1991–20201'151 mm
9.2 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
564 m
Mean elevation
506 m
Relief
107 m
Mean slope
3.7°
Flat share
72.4%
South-facing
15.0%
Above 2000 m
0.0%
Relief 107 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
25.1 GWh/yr
Roofs + façades
32.7 GWh/yr
≈ households powered
5'600
Per inhabitant
8'544 kWh/yr
25 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
28.08 Rp./kWh
Energy
12.6 Rp./kWh
Grid usage
11.32 Rp./kWh
Levies + grid surcharge
2.3 Rp./kWh
28.08 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Genossenschaft Elektra, Jegenstorf
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
0.86 %
Second homes
6.1 %
Avg. rooms
4.4
Dwellings
1'391
Built before 194611.1%
Built since 200130.9%
0.86 %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
946
Workplaces
168
Services share
63.7 %
Jobs by sector: Primary 15 (1.6%) · Secondary 328 (34.7%) · Tertiary 603 (63.7%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
5
Organic share
40 %
Farmland
174 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 municipalities2'940 #31 SO · #741 CHGrowing municipalities-0.2% #70 SO · #1544 CHShrinking municipalities-0.2% #35 SO · #564 CHJobs per resident0.32 #45 SO · #1182 CHFamilies & children18% #85 SO · #1663 CHAge structure26.4% #12 SO · #272 CHWomen share51.1% #13 SO · #349 CHForeign residents9.5% #82 SO · #1742 CHPopulation density656/km² #23 SO · #388 CHTax burden15'619 #9 SO · #1129 CHTaxes104% #9 SOWarmest municipalities9.2 °C #68 SO · #1233 CHSunniest municipalities40.1% #82 SO · #1807 CHRainiest municipalities1'151 mm #29 SO · #833 CHVoter turnout58.7% #19 SO · #733 CHAgainst Switzerland5.9% #70 SO · #1405 CHAligned with Switzerland94.1% #7 SO · #56 CHSVP strongholds25.8% #89 SO · #1525 CHSP strongholds17.7% #29 SO · #663 CHCentre strongholds14.2% #77 SO · #885 CHFDP strongholds25.1% #16 SO · #224 CHGLP strongholds8.4% #8 SO · #518 CHGreen strongholds7.1% #47 SO · #1073 CHLargest by area4.5 km² #72 SO · #1623 CHHighest municipalities500 m #39 SO · #1207 CHSecond homes6.1% #96 SO · #1956 CHOrganic farming40% #8 SO · #198 CHBest-connected municipalities44 min #8 SO · #318 CHRemotest municipalities44 min #98 SO · #1797 CHHighest peaks564 m #68 SO · #1667 CHHighest-lying municipalities506 m #56 SO · #1400 CHGreatest vertical range107 m #76 SO · #1798 CHSteepest municipalities3.7° #80 SO · #1797 CHSolar potential25 GWh #34 SO · #835 CHSolar potential per capita8'544 kWh #63 SO · #1352 CHCheapest electricity28.08 Rp./kWh #45 SO · #1359 CHMost expensive electricity28.08 Rp./kWh #61 SO · #751 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Lohn-Ammannsegg?
- The postal code of Lohn-Ammannsegg is 4573.
- What is the tax rate in Lohn-Ammannsegg?
- The municipal tax multiplier of Lohn-Ammannsegg is 104% (2026); canton SO levies 104%.
- How much tax do you pay in Lohn-Ammannsegg?
- A single person without children pays about 15'619 CHF income tax in Lohn-Ammannsegg on 100'000 CHF gross income (federal, cantonal, municipal), rank 9 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Lohn-Ammannsegg have?
- Lohn-Ammannsegg has 2'940 residents (2025).
- How many foreign residents live in Lohn-Ammannsegg?
- Lohn-Ammannsegg has 280 foreign residents, a share of 9.52% (2025).
Map
OpenStreetMapLohn-Ammannsegg compared with
- Lohn-Ammannsegg vs. Olten
- Lohn-Ammannsegg vs. Grenchen
- Lohn-Ammannsegg vs. Solothurn
- Lohn-Ammannsegg vs. Zuchwil
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- Lohn-Ammannsegg vs. Olten
- Lohn-Ammannsegg vs. Grenchen
- Lohn-Ammannsegg vs. Solothurn
- Lohn-Ammannsegg vs. Zuchwil
- Lohn-Ammannsegg vs. Biberist
- Lohn-Ammannsegg vs. Derendingen
- Lohn-Ammannsegg vs. Trimbach
- Lohn-Ammannsegg vs. Dornach
- Lohn-Ammannsegg vs. Oensingen
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