What is the postal code of Nidau?

Nidau has 2 postal codes: 2503, 2560.

What is the tax rate in Nidau?

The municipal tax multiplier of Nidau is 170% (2026); canton BE levies 297.5%.

How much tax do you pay in Nidau?

A single person without children pays about 16'886 CHF income tax in Nidau on 100'000 CHF gross income (federal, cantonal, municipal), rank 138 of 334 in canton BE. Source: ESTV (2026).

How many residents does Nidau have?

Nidau has 7'160 residents (2025).

How many foreign residents live in Nidau?

Nidau has 1'951 foreign residents, a share of 27.25% (2025).

Switzerland · Canton BE · Verwaltungskreis Biel/Bienne

Nidau

2503–2560

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN · swissTLM3D · swissTLMRegio

Demographics

BFS · 2025

Women

3'730 52.1%

Men

3'430 47.9%

Children & youth (0–19)

1'437 20.1%

Swiss citizens

5'209 72.8%

Foreign residents

1'951 27.3%

Population density

4'711 pop./km²

0–19 · 1'437 · 20.1%20–64 · 4'110 · 57.4%65+ · 1'613 · 22.5%

Foreign residents 27.3%0%64.0%

Population change 2025: +107 (+1.5%) · 65 births · 83 deaths · net migration +113

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

Vote results for Nidau

BFS

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 Verwaltungskreis Biel/Bienne: 35.0% Yes

35.4% YesNo 64.6%

27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Verwaltungskreis Biel/Bienne: 24.0% Yes

21.6% YesNo 78.4%

27.09.2026Volksinitiative «Berner Bildungsinitiative»Cantonal BE● Rejected · 40.1% YesDistrict Verwaltungskreis Biel/Bienne: 43.6% Yes

48.3% YesNo 51.7%

14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Verwaltungskreis Biel/Bienne: 44.6% Yes

41.9% YesNo 58.1%

14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Verwaltungskreis Biel/Bienne: 39.2% Yes

33.4% YesNo 66.6%

14.06.2026Projektierungskredit für das Kunstmuseum Bern (Sanierung und Ersatzneubau)Cantonal BE● Rejected · 48.2% YesDistrict Verwaltungskreis Biel/Bienne: 52.4% Yes

56.3% YesNo 43.7%

08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Verwaltungskreis Biel/Bienne: 62.3% Yes

65.9% YesNo 34.1%

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 Biel/Bienne: 37.1% Yes

39.9% YesNo 60.1%

08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Verwaltungskreis Biel/Bienne: 33.9% Yes

28.2% YesNo 71.8%

08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Verwaltungskreis Biel/Bienne: 36.5% Yes

30.9% YesNo 69.1%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023

SP29.0% · strongest party

SP29.0%

SVP16.8%

GRÜNE14.9%

FDP12.4%

GLP10.6%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026

Taxes 2026

ESTV

Municipal tax multiplier170%

Cantonal tax multiplier297.5%

170%BE range 89%220%

Tax rank 148 of 334 in canton Bern

Tax burden

Single, 100'000 CHF gross income

16'886 CHF(16.9%)

Rank 138 of 334 in the canton · 1790 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

100'000 CHF:16'886 CHF(~16.9%)

NidauCanton range BernSwitzerland median

Show data table

Gross income	Nidau	Bern	Switzerland median
40'000	9.9%	8.3–10.9%	5.4%
50'000	11.8%	9.8–13%	7.8%
60'000	13.2%	11–14.5%	10.5%
70'000	14.3%	12–15.7%	11.9%
80'000	15.1%	12.6–16.5%	13.1%
90'000	15.9%	13.4–17.5%	14.1%
100'000	16.9%	14.3–18.5%	15.3%
110'000	17.7%	15–19.4%	16.3%
120'000	18.6%	15.8–20.3%	17.2%
130'000	19.4%	16.5–21.2%	18.1%
140'000	20.2%	17.2–22%	19%
150'000	20.9%	17.9–22.8%	19.7%
175'000	22.7%	19.5–24.7%	21.6%
200'000	24.3%	20.9–26.3%	23.2%
225'000	25.7%	22.2–27.8%	24.6%
250'000	26.9%	23.3–29.1%	25.8%
275'000	28%	24.3–30.2%	26.8%
300'000	28.9%	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 1991–202010.2 °C

Precipitation 1991–20201'136 mm

10.2 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

436 m

Mean elevation

432 m

Relief

7 m

Mean slope

1.1°

Flat share

99.9%

South-facing

0.0%

Above 2000 m

0.0%

Relief 7 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

Solar potential

BFE

Roof potential

28 GWh/yr

Roofs + façades

36.9 GWh/yr

≈ households powered

6'200

Per inhabitant

3'913 kWh/yr

28 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

30.32 Rp./kWh

Energy

12.9 Rp./kWh

Grid usage

9.58 Rp./kWh

Levies + grid surcharge

6.1 Rp./kWh

30.32 Rp./kWh10.5645.88

Canton median 27.95 Rp./kWhSwiss median 26.53 Rp./kWh

Network operator Einwohnergemeinde Nidau, Elektrizitätsversorgung

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 · 2024

Premium regionRegion 2

Standard model, deductible 300612 CHF/mo

Ø premium in canton Bern432 CHF/mo

Estimate Switzerland 2026465.3 CHF/mo

Compare health insurers in Nidau →Canton Bern →Premiums explained →

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

1.48 %

Second homes

9.6 %

Avg. rooms

3.3

Dwellings

3'915

Built before 194616.7%

Built since 20015.2%

1.48 %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

2'897

Workplaces

434

Services share

75.9 %

Jobs by sector: Primary 0 (0.0%) · Secondary 698 (24.1%) · Tertiary 2'199 (75.9%)

STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Accessibility

ARE · NPVM

Major centrePT 51 min · Car 39 min

AgglomerationPT 10 min · Car 8 min

Remoteness 236/334 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0

BFS municipality number743

Websitenidau.ch ↗

DistrictVerwaltungskreis Biel/Bienne

Wikidata · continuously updated, retrieved 24.09.2026

Where Nidau ranks

Largest municipalities7'160 #22 BE · #271 CH Growing municipalities1.5% #69 BE · #525 CH Shrinking municipalities1.5% #267 BE · #1579 CH Jobs per resident0.4 #138 BE · #843 CH Families & children20.1% #127 BE · #1104 CH Age structure22.5% #208 BE · #765 CH Women share52.1% #24 BE · #122 CH Foreign residents27.3% #17 BE · #436 CH Population density4'711/km² #1 BE · #14 CH Tax burden16'886 #147 BE · #1799 CH Taxes170% #148 BE Warmest municipalities10.2 °C #16 BE · #309 CH Sunniest municipalities40.2% #311 BE · #1717 CH Rainiest municipalities1'136 mm #176 BE · #890 CH Voter turnout48.1% #287 BE · #1914 CH Against Switzerland21.6% #67 BE · #397 CH Aligned with Switzerland78.4% #134 BE · #1018 CH SVP strongholds16.8% #324 BE · #1923 CH SP strongholds29% #3 BE · #65 CH Centre strongholds5.6% #246 BE · #1724 CH FDP strongholds12.4% #22 BE · #1101 CH GLP strongholds10.6% #76 BE · #249 CH Green strongholds14.9% #18 BE · #136 CH Largest by area1.5 km² #328 BE · #2062 CH Highest municipalities432 m #329 BE · #1686 CH Second homes9.6% #233 BE · #1278 CH Best-connected municipalities51 min #99 BE · #498 CH Remotest municipalities51 min #236 BE · #1607 CH Highest peaks436 m #332 BE · #2042 CH Highest-lying municipalities432 m #331 BE · #1848 CH Greatest vertical range7 m #333 BE · #2107 CH Steepest municipalities1.1° #324 BE · #2069 CH Solar potential28 GWh #99 BE · #731 CH Solar potential per capita3'913 kWh #333 BE · #2050 CH Cheapest electricity30.32 Rp./kWh #290 BE · #1830 CH Most expensive electricity30.32 Rp./kWh #44 BE · #277 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 2

Biel/Bienne2502 2503 2504 2505 Nidau2560

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Nidau?: Nidau has 2 postal codes: 2503, 2560.
What is the tax rate in Nidau?: The municipal tax multiplier of Nidau is 170% (2026); canton BE levies 297.5%.
How much tax do you pay in Nidau?: A single person without children pays about 16'886 CHF income tax in Nidau on 100'000 CHF gross income (federal, cantonal, municipal), rank 138 of 334 in canton BE. Source: ESTV (2026).
How many residents does Nidau have?: Nidau has 7'160 residents (2025).
How many foreign residents live in Nidau?: Nidau has 1'951 foreign residents, a share of 27.25% (2025).

Map

OpenStreetMap