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Demographics

BFS · 2025
Women
315 49.0%
Men
328 51.0%
Children & youth (0–19)
125 19.4%
Swiss citizens
611 95.0%
Foreign residents
32 5.0%
Population density
91 pop./km²
0–19 · 125 · 19.4%20–64 · 394 · 61.3%65+ · 124 · 19.3%
Foreign residents 5.0%0%64.0%
Population change 2025: +10 (+1.6%) · 10 births · 7 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 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Verwaltungskreis Seeland: 28.7% Yes
38.9% YesNo 61.1%
27.09.2026Volksinitiative «Berner Bildungsinitiative»Cantonal BE● Rejected · 40.1% YesDistrict Verwaltungskreis Seeland: 32.6% Yes
23.3% YesNo 76.7%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Verwaltungskreis Seeland: 56.9% Yes
58.3% YesNo 41.7%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Verwaltungskreis Seeland: 53.4% Yes
66.8% YesNo 33.2%
14.06.2026Projektierungskredit für das Kunstmuseum Bern (Sanierung und Ersatzneubau)Cantonal BE● Rejected · 48.2% YesDistrict Verwaltungskreis Seeland: 39.5% Yes
28.4% YesNo 71.6%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Verwaltungskreis Seeland: 51.0% Yes
43.9% YesNo 56.1%
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 Verwaltungskreis Seeland: 22.9% Yes
19.3% YesNo 80.7%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Verwaltungskreis Seeland: 39.6% Yes
45.2% YesNo 54.8%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Verwaltungskreis Seeland: 37.8% Yes
39.4% YesNo 60.6%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
SVP52.4% · strongest party
SVP52.4%
GLP10.1%
Mitte9.2%
SP9.1%
GRÜNE6.9%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier185%
Cantonal tax multiplier297.5%
185%BE range 89%220%
Tax rank 255 of 334 in canton Bern
Tax burden
Single, 100'000 CHF gross income
17'373 CHF(17.4%)
Rank 245 of 334 in the canton · 1980 of 2110 in Switzerland
Median canton 17'048 CHF · median Switzerland 15'290 CHF
Cheapest Deisswil bei Münchenbuchsee 14'255 CHF · most expensive Schelten 18'510 CHF
Income tax as % of gross income
0%9%18%26%35%40k50k100k150k200k250k300k
100'000 CHF:17'373 CHF(~17.4%)
WengiCanton range BernSwitzerland median
Show data table
Gross incomeWengiBernSwitzerland median
40'00010.2%8.3–10.9%5.4%
50'00012.1%9.8–13%7.8%
60'00013.6%11–14.5%10.5%
70'00014.7%12–15.7%11.9%
80'00015.5%12.6–16.5%13.1%
90'00016.4%13.4–17.5%14.1%
100'00017.4%14.3–18.5%15.3%
110'00018.2%15–19.4%16.3%
120'00019.1%15.8–20.3%17.2%
130'00019.9%16.5–21.2%18.1%
140'00020.7%17.2–22%19%
150'00021.5%17.9–22.8%19.7%
175'00023.3%19.5–24.7%21.6%
200'00024.9%20.9–26.3%23.2%
225'00026.3%22.2–27.8%24.6%
250'00027.6%23.3–29.1%25.8%
275'00028.6%24.3–30.2%26.8%
300'00029.6%25.1–31.2%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–20209.5 °C
Precipitation 1991–20201'010 mm
9.5 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
559 m
Mean elevation
491 m
Relief
91 m
Mean slope
3.3°
Flat share
81.3%
South-facing
5.5%
Above 2000 m
0.0%
Relief 91 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
11.7 GWh/yr
Roofs + façades
14.9 GWh/yr
≈ households powered
2'600
Per inhabitant
18'196 kWh/yr
12 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
34.33 Rp./kWh
Energy
12.9 Rp./kWh
Grid usage
16.84 Rp./kWh
Levies + grid surcharge
2.9 Rp./kWh
34.33 Rp./kWh10.5645.88
Canton median 27.95 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator GEBNET 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
Premium regionRegion 2
Standard model, deductible 300612 CHF/mo
Ø premium in canton Bern432 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo

Premiums are set per canton and premium region. This area lies in premium region 2 of canton Bern. Shown is the average adult premium paid across the whole canton Bern (2024, BAG) — a region-specific average is not available in the cantonal data.

2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026

Housing

BFS · ARE
Vacancy rate
1.57 %
Second homes
11.2 %
Avg. rooms
4.1
Dwellings
318
Built before 194652.8%
Built since 200119.2%
1.57 %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
163
Workplaces
61
Services share
40.5 %
Jobs by sector: Primary 64 (39.3%) · Secondary 33 (20.2%) · Tertiary 66 (40.5%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
19
Organic share
15.8 %
Farmland
453 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 45 min · Car 33 min
AgglomerationPT 20 min · Car 14 min
Remoteness 267/334 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number394
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities643 #239 BE · #1685 CHGrowing municipalities1.6% #64 BE · #489 CHShrinking municipalities1.6% #271 BE · #1616 CHJobs per resident0.25 #251 BE · #1511 CHFamilies & children19.4% #182 BE · #1334 CHAge structure19.3% #301 BE · #1368 CHWomen share49% #271 BE · #1501 CHForeign residents5% #268 BE · #2013 CHPopulation density91/km² #219 BE · #1523 CHTax burden17'373 #262 BE · #1997 CHTaxes185% #255 BEWarmest municipalities9.5 °C #70 BE · #952 CHSunniest municipalities41% #236 BE · #1399 CHRainiest municipalities1'010 mm #306 BE · #1578 CHVoter turnout57.3% #88 BE · #910 CHSVP strongholds52.4% #82 BE · #179 CHSP strongholds9.1% #246 BE · #1602 CHCentre strongholds9.2% #118 BE · #1276 CHFDP strongholds3.9% #247 BE · #1930 CHGLP strongholds10.1% #91 BE · #301 CHGreen strongholds6.9% #157 BE · #1119 CHLargest by area7.1 km² #188 BE · #1231 CHHighest municipalities480 m #270 BE · #1313 CHSecond homes11.2% #187 BE · #1015 CHOrganic farming15.8% #108 BE · #834 CHBest-connected municipalities45 min #60 BE · #332 CHRemotest municipalities45 min #267 BE · #1755 CHHighest peaks559 m #279 BE · #1684 CHHighest-lying municipalities491 m #264 BE · #1470 CHGreatest vertical range91 m #283 BE · #1870 CHSteepest municipalities3.3° #288 BE · #1857 CHSolar potential12 GWh #211 BE · #1434 CHSolar potential per capita18'196 kWh #49 BE · #250 CHCheapest electricity34.33 Rp./kWh #328 BE · #2070 CHMost expensive electricity34.33 Rp./kWh #6 BE · #37 CH

Localities

swisstopo · 2
What is the postal code of Wengi?
Wengi has 2 postal codes: 3251, 3257.
What is the tax rate in Wengi?
The municipal tax multiplier of Wengi is 185% (2026); canton BE levies 297.5%.
How much tax do you pay in Wengi?
A single person without children pays about 17'373 CHF income tax in Wengi on 100'000 CHF gross income (federal, cantonal, municipal), rank 245 of 334 in canton BE. Source: ESTV (2026).
How many residents does Wengi have?
Wengi has 643 residents (2025).
How many foreign residents live in Wengi?
Wengi has 32 foreign residents, a share of 4.98% (2025).

Map

OpenStreetMap