Postcode area · Biel/Bienne · Bern

2502 Biel/Bienne (Biel/Bienne): key figures

2502 Biel/Bienne (postcode area in Biel/Bienne) has 18,603 residents in 2025 across 6.2 km², or 2,976 people per km². By population, 2502 Biel/Bienne ranks No. 2 of 4 postcode areas in Biel/Bienne. Population: +6.0% between 2015 and 2025.

  • 18,603 residents
  • 6.2 km²
  • 2,976 people/km²

2502 Biel/Bienne in numbers

Population
18,603
ranked 79 of 2,275
+6.0%between 2015 and 2025
2015–2025
Population density
2,976people/km²
ranked 94 of 2,275
Area
6.2km²
ranked 1,849 of 3,168
Share of foreign nationals
31.4%
ranked 388 of 2,040
Dwellings
11,747
ranked 48 of 3,164
Residential buildings
2,187
ranked 75 of 3,160
Dwellings in buildings built before 1946
53.3%
ranked 420 of 3,164

Key points

By population, 2502 Biel/Bienne ranks No. 2 of 4 postcode areas in Biel/Bienne.

Nationally, 2502 Biel/Bienne ranks No. 79 of 2,275 postcode areas.

Population of 2502 Biel/Bienne over time

17,50018,00018,50019,0002015202020232025
Population, 2015–2025

2502 Biel/Bienne had 17,558 residents in 2015 and 18,603 in 2025.

YearPopulation
201517,558
202018,000
202318,239
202518,603

All indicators for 2502 Biel/Bienne

Next to the value for 2502 Biel/Bienne: all postcode areas of Biel/Bienne, then of the whole country (totals for counts, weighted averages for rates).

2502 Biel/BienneNational medianHover over or tap a bar to see what it shows.

Housing

Indicator2502 Biel/BienneBiel/BienneSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)11,747––ranked 1 of 4ranked 48 of 3,164
Residential buildings (2026)2,187––ranked 1 of 4ranked 75 of 3,160
Dwellings in buildings built before 1946 (2026)53.3%31.4%23.2%ranked 1 of 4ranked 420 of 3,164
Dwellings in buildings built since 2001 (2026)8.1%14.5%23.6%ranked 4 of 4ranked 2,702 of 3,164
Share of detached houses among residential buildings (2026)23.7%31.8%63.5%ranked 4 of 4ranked 3,110 of 3,160

Energy

Indicator2502 Biel/BienneBiel/BienneSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)87.9%85.8%56.2%ranked 1 of 4ranked 33 of 3,160
Heat pumps as main heating (2026)7.2%7.1%16.2%ranked 3 of 4ranked 2,381 of 3,160
Wood heating systems (2026)2.0%2.0%13.5%ranked 2 of 4ranked 2,947 of 3,160
District heating (2026)1.9%3.8%5.6%ranked 2 of 4ranked 1,139 of 3,160

Society

Indicator2502 Biel/BienneBiel/BienneSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)31.4%35.5%29.8%ranked 3 of 4ranked 388 of 2,040

Where is 2502 Biel/Bienne?

Frequently asked questions

What is the population of 2502 Biel/Bienne (Biel/Bienne)?

2502 Biel/Bienne has 18,603 residents in 2025. It covers 6.2 km², or 2,976 people per km².

Where is 2502 Biel/Bienne?

2502 Biel/Bienne (postcode area) is part of Biel/Bienne, in Bern.

What is the value of “Share of foreign nationals” in 2502 Biel/Bienne?

Share of foreign nationals: 31.4% (2025), ranked 388 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 2502 Biel/Bienne?

Dwellings: 11,747 (2026), ranked 48 of 3,164 postcode areas in the country.