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Switzerland · Canton BE

Zäziwil

3506–3533
Residents
1'665
Area
5.4 km²
Population density
308 pop./km²
Elevation
714 m a.s.l.
Terrain up to
932 m a.s.l.
Tax multiplier
189%
Postal codes
4

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025
Women
833 50.0%
Men
832 50.0%
Children & youth (0–19)
328 19.7%
Swiss citizens
1'548 93.0%
Foreign residents
117 7.0%
Population density
308 pop./km²
0–19 · 328 · 19.7%20–64 · 963 · 57.8%65+ · 374 · 22.5%
Foreign residents 7.0%0%64.0%
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023
SVP43.5% · strongest party
SVP43.5%
Mitte13.4%
SP12.2%
EDU6.7%
EVP6.4%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026
Municipal tax multiplier189%
Cantonal tax multiplier297.5%
189%BE range 89%220%
Tax rank 278 of 334 in canton Bern
Tax burden
Single, 100'000 CHF gross income
17'503 CHF(17.5%)
Rank 275 of 334 in the canton · 2017 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:17'503 CHF(~17.5%)
ZäziwilCanton range BernSwitzerland median
Show data table
Gross incomeZäziwilBernSwitzerland median
40'00010.3%8.310.9%5.4%
50'00012.2%9.813%7.8%
60'00013.7%1114.5%10.5%
70'00014.8%1215.7%11.9%
80'00015.6%12.616.5%13.1%
90'00016.5%13.417.5%14.1%
100'00017.5%14.318.5%15.3%
110'00018.4%1519.4%16.3%
120'00019.3%15.820.3%17.2%
130'00020.1%16.521.2%18.1%
140'00020.9%17.222%19%
150'00021.6%17.922.8%19.7%
175'00023.5%19.524.7%21.6%
200'00025.1%20.926.3%23.2%
225'00026.5%22.227.8%24.6%
250'00027.8%23.329.1%25.8%
275'00028.8%24.330.2%26.8%
300'00029.8%25.131.2%27.4%
2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–20208.4 °C
Precipitation 1991–20201'247 mm
8.4 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
932 m
Mean elevation
770 m
Relief
266 m
Mean slope
11.7°
Flat share
21.0%
South-facing
21.8%
Above 2000 m
0.0%
Relief 266 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
15.7 GWh/yr
Roofs + façades
20.7 GWh/yr
≈ households powered
3'500
16 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 31.08.2026

Electricity

ElCom · 2026
Tariff H4
27.7 Rp./kWh
Energy
10.89 Rp./kWh
Grid usage
11.25 Rp./kWh
Levies + grid surcharge
3.8 Rp./kWh
27.7 Rp./kWh9.6443.61
Canton median 29.35 Rp./kWhSwiss median 27.7 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.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026
Vacancy rate
0.47 %
Avg. rooms
3.8
Dwellings
854
Built before 194634.7%
Built since 200115.6%
0.47 %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 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM
Major centrePT 45 min · Car 35 min
AgglomerationPT 45 min · Car 34 min
Remoteness 272/334 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0
Wikidata · continuously updated, retrieved 31.08.2026

Localities

swisstopo · 4
What is the postal code of Zäziwil?
Zäziwil has 4 postal codes: 3506, 3531, 3532, 3533.
What is the tax rate in Zäziwil?
The municipal tax multiplier of Zäziwil is 189% (2026); canton BE levies 297.5%.
How much tax do you pay in Zäziwil?
A single person without children pays about 17'503 CHF income tax in Zäziwil on 100'000 CHF gross income (federal, cantonal, municipal), rank 275 of 334 in canton BE. Source: ESTV (2026).
How many residents does Zäziwil have?
Zäziwil has 1'665 residents (2025).
How many foreign residents live in Zäziwil?
Zäziwil has 117 foreign residents, a share of 7.03% (2025).

Map

OpenStreetMap