Postcode area · Biel/Bienne · Bern

2505 Biel/Bienne (Biel/Bienne): key figures

2505 Biel/Bienne (postcode area in Biel/Bienne) has 798 residents in 2025 across 2.3 km², or 347 people per km². By population, 2505 Biel/Bienne ranks No. 4 of 4 postcode areas in Biel/Bienne. Population: −2.0% between 2015 and 2025.

  • 798 residents
  • 2.3 km²
  • 347 people/km²

2505 Biel/Bienne in numbers

Population
798
ranked 1,765 of 2,275
−2.0%between 2015 and 2025
2015–2025
Population density
347people/km²
ranked 978 of 2,275
Area
2.3km²
ranked 2,887 of 3,168
Share of foreign nationals
10.5%
ranked 1,794 of 2,040
Dwellings
472
ranked 1,959 of 3,164
Residential buildings
195
ranked 2,348 of 3,160
Dwellings in buildings built before 1946
18.4%
ranked 2,268 of 3,164

Key points

By population, 2505 Biel/Bienne ranks No. 4 of 4 postcode areas in Biel/Bienne.

Nationally, 2505 Biel/Bienne ranks No. 1,765 of 2,275 postcode areas.

Population of 2505 Biel/Bienne over time

7958008058108152015202020232025
Population, 2015–2025

2505 Biel/Bienne had 814 residents in 2015 and 798 in 2025.

YearPopulation
2015814
2020807
2023814
2025798

All indicators for 2505 Biel/Bienne

Next to the value for 2505 Biel/Bienne: all postcode areas of Biel/Bienne, then of the whole country (totals for counts, weighted averages for rates).

2505 Biel/BienneNational medianHover over or tap a bar to see what it shows.

Housing

Indicator2505 Biel/BienneBiel/BienneSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)472––ranked 4 of 4ranked 1,959 of 3,164
Residential buildings (2026)195––ranked 4 of 4ranked 2,348 of 3,160
Dwellings in buildings built before 1946 (2026)18.4%31.4%23.2%ranked 3 of 4ranked 2,268 of 3,164
Dwellings in buildings built since 2001 (2026)19.9%14.5%23.6%ranked 2 of 4ranked 1,747 of 3,164
Share of detached houses among residential buildings (2026)52.8%31.8%63.5%ranked 1 of 4ranked 2,728 of 3,160

Energy

Indicator2505 Biel/BienneBiel/BienneSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)79.3%85.8%56.2%ranked 4 of 4ranked 187 of 3,160
Heat pumps as main heating (2026)10.9%7.1%16.2%ranked 1 of 4ranked 1,819 of 3,160
Wood heating systems (2026)7.6%2.0%13.5%ranked 1 of 4ranked 2,314 of 3,160
District heating (2026)0.5%3.8%5.6%ranked 4 of 4ranked 1,824 of 3,160

Society

Indicator2505 Biel/BienneBiel/BienneSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)10.5%35.5%29.8%ranked 4 of 4ranked 1,794 of 2,040

Where is 2505 Biel/Bienne?

Other postcode areas in Biel/Bienne

Postcode areas near 2505 Biel/Bienne

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The postcode areas of Biel/Bienne

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Frequently asked questions

What is the population of 2505 Biel/Bienne (Biel/Bienne)?

2505 Biel/Bienne has 798 residents in 2025. It covers 2.3 km², or 347 people per km².

Where is 2505 Biel/Bienne?

2505 Biel/Bienne (postcode area) is part of Biel/Bienne, in Bern.

What is the value of “Share of foreign nationals” in 2505 Biel/Bienne?

Share of foreign nationals: 10.5% (2025), ranked 1,794 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 2505 Biel/Bienne?

Dwellings: 472 (2026), ranked 1,959 of 3,164 postcode areas in the country.