Demographics
BFS · 2025Women
2'854 48.7%
Men
3'005 51.3%
Children & youth (0–19)
1'269 21.7%
Swiss citizens
3'380 57.7%
Foreign residents
2'479 42.3%
Population density
3'167 pop./km²
0–19 · 1'269 · 21.7%20–64 · 3'537 · 60.4%65+ · 1'053 · 18.0%
Foreign residents 42.3%0%64.0%
Population change 2025: +0 (+0%) · 61 births · 55 deaths · net migration −11
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
31.7% YesNo 68.3%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Wasseramt: 25.9% Yes
35.4% YesNo 64.6%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Wasseramt: 54.5% Yes
52.5% YesNo 47.5%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Wasseramt: 50.5% Yes
52.0% YesNo 48.0%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Wasseramt: 58.2% Yes
53.8% YesNo 46.2%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Wasseramt: 58.4% Yes
52.8% YesNo 47.2%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Wasseramt: 54.4% Yes
52.8% YesNo 47.2%
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
25.8% YesNo 74.3%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Wasseramt: 40.5% Yes
50.9% YesNo 49.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Wasseramt: 39.9% Yes
46.1% YesNo 53.9%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP35.2% · strongest party
SVP35.2%
SP25.8%
FDP15.5%
Mitte7.7%
GRÜNE6.6%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier125%
Cantonal tax multiplier104%
125%SO range 65%145%
Tax rank 72 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
17'060 CHF(17.1%)
Rank 81 of 104 in the canton · 1884 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:17'060 CHF(~17.1%)
GerlafingenCanton range SolothurnSwitzerland median
Show data table
| Gross income | Gerlafingen | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 8.2% | 6.1–8.8% | 5.4% |
| 50'000 | 10.5% | 7.9–11.4% | 7.8% |
| 60'000 | 12.5% | 9.4–13.5% | 10.5% |
| 70'000 | 14% | 10.5–15.1% | 11.9% |
| 80'000 | 15.1% | 11.5–16.3% | 13.1% |
| 90'000 | 16% | 12.2–17.3% | 14.1% |
| 100'000 | 17.1% | 13–18.4% | 15.3% |
| 110'000 | 17.9% | 13.8–19.3% | 16.3% |
| 120'000 | 18.7% | 14.4–20.1% | 17.2% |
| 130'000 | 19.5% | 15.1–20.9% | 18.1% |
| 140'000 | 20.3% | 15.7–21.8% | 19% |
| 150'000 | 21% | 16.4–22.5% | 19.7% |
| 175'000 | 22.7% | 17.8–24.3% | 21.6% |
| 200'000 | 24.1% | 19.1–25.8% | 23.2% |
| 225'000 | 25.3% | 20.1–27% | 24.6% |
| 250'000 | 26.4% | 21.1–28.2% | 25.8% |
| 275'000 | 27.3% | 21.9–29.1% | 26.8% |
| 300'000 | 28% | 22.5–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209.5 °C
Precipitation 1991–20201'075 mm
9.5 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
457 m
Mean elevation
452 m
Relief
10 m
Mean slope
0.7°
Flat share
100.0%
South-facing
0.0%
Above 2000 m
0.0%
Relief 10 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
43.4 GWh/yr
Roofs + façades
54.2 GWh/yr
≈ households powered
9'600
Per inhabitant
7'404 kWh/yr
43 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
25.59 Rp./kWh
Energy
7.97 Rp./kWh
Grid usage
11.91 Rp./kWh
Levies + grid surcharge
3.8 Rp./kWh
25.59 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator BKW Energie 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
0.51 %
Second homes
7.7 %
Avg. rooms
3.7
Dwellings
2'737
Built before 194623.3%
Built since 200121.7%
0.51 %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
1'692
Workplaces
247
Services share
60.3 %
Jobs by sector: Primary 0 (0.0%) · Secondary 672 (39.7%) · Tertiary 1'020 (60.3%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
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 municipalities5'859 #11 SO · #351 CHGrowing municipalities0% #64 SO · #1410 CHShrinking municipalities0% #44 SO · #684 CHJobs per resident0.29 #59 SO · #1330 CHFamilies & children21.7% #9 SO · #607 CHAge structure18% #99 SO · #1646 CHWomen share48.7% #80 SO · #1640 CHForeign residents42.3% #4 SO · #57 CHPopulation density3'167/km² #1 SO · #24 CHTax burden17'060 #82 SO · #1885 CHTaxes125% #72 SOWarmest municipalities9.5 °C #41 SO · #970 CHSunniest municipalities40.2% #67 SO · #1736 CHRainiest municipalities1'075 mm #78 SO · #1247 CHVoter turnout41.9% #104 SO · #2090 CHAgainst Switzerland12.7% #39 SO · #1059 CHAligned with Switzerland87.3% #36 SO · #389 CHSVP strongholds35.2% #30 SO · #957 CHSP strongholds25.8% #4 SO · #139 CHCentre strongholds7.7% #103 SO · #1480 CHFDP strongholds15.5% #57 SO · #779 CHGLP strongholds4.8% #70 SO · #1242 CHGreen strongholds6.6% #53 SO · #1189 CHLargest by area1.9 km² #95 SO · #2024 CHHighest municipalities452 m #69 SO · #1519 CHSecond homes7.7% #83 SO · #1682 CHBest-connected municipalities61 min #41 SO · #812 CHRemotest municipalities61 min #62 SO · #1294 CHHighest peaks457 m #99 SO · #2012 CHHighest-lying municipalities452 m #79 SO · #1707 CHGreatest vertical range10 m #104 SO · #2104 CHSteepest municipalities0.7° #102 SO · #2094 CHSolar potential43 GWh #12 SO · #420 CHSolar potential per capita7'404 kWh #80 SO · #1597 CHCheapest electricity25.59 Rp./kWh #24 SO · #715 CHMost expensive electricity25.59 Rp./kWh #81 SO · #1578 CH
Postal codes (1)
swisstopoLocalities
swisstopo · 1Nearby municipalities
swisstopo- What is the postal code of Gerlafingen?
- The postal code of Gerlafingen is 4563.
- What is the tax rate in Gerlafingen?
- The municipal tax multiplier of Gerlafingen is 125% (2026); canton SO levies 104%.
- How much tax do you pay in Gerlafingen?
- A single person without children pays about 17'060 CHF income tax in Gerlafingen on 100'000 CHF gross income (federal, cantonal, municipal), rank 81 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Gerlafingen have?
- Gerlafingen has 5'859 residents (2025).
- How many foreign residents live in Gerlafingen?
- Gerlafingen has 2'479 foreign residents, a share of 42.31% (2025).
Map
OpenStreetMapGerlafingen compared with
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