Postcode area · Brittnau · Aargau

4805 Brittnau (Brittnau): key figures

4805 Brittnau (postcode area in Brittnau) has 4,300 residents in 2025 across 13.1 km², or 328 people per km². Population: +13.7% between 2015 and 2025.

  • 4,300 residents
  • 13.1 km²
  • 328 people/km²

4805 Brittnau in numbers

Population
4,300
ranked 542 of 2,275
+13.7%between 2015 and 2025
2015–2025
Population density
328people/km²
ranked 1,015 of 2,275
Area
13.1km²
ranked 824 of 3,168
Share of foreign nationals
15.6%
ranked 1,438 of 2,040
Dwellings
2,035
ranked 601 of 3,164
Residential buildings
1,201
ranked 312 of 3,160
Dwellings in buildings built before 1946
31.1%
ranked 1,372 of 3,164

Key points

Nationally, 4805 Brittnau ranks No. 542 of 2,275 postcode areas.

Population of 4805 Brittnau over time

3,6003,8004,0004,2004,4002015202020232025
Population, 2015–2025

4805 Brittnau had 3,782 residents in 2015 and 4,300 in 2025.

YearPopulation
20153,782
20203,900
20234,203
20254,300

All indicators for 4805 Brittnau

Next to the value for 4805 Brittnau: all postcode areas of Brittnau, then of the whole country (totals for counts, weighted averages for rates).

4805 BrittnauNational medianHover over or tap a bar to see what it shows.

Housing

Indicator4805 BrittnauBrittnauSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)2,035––ranked 601 of 3,164
Residential buildings (2026)1,201––ranked 312 of 3,160
Dwellings in buildings built before 1946 (2026)31.1%31.1%23.2%ranked 1,372 of 3,164
Dwellings in buildings built since 2001 (2026)25.0%25.0%23.6%ranked 1,245 of 3,164
Share of detached houses among residential buildings (2026)75.5%75.5%63.5%ranked 972 of 3,160

Energy

Indicator4805 BrittnauBrittnauSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)65.7%65.7%56.2%ranked 723 of 3,160
Heat pumps as main heating (2026)13.5%13.5%16.2%ranked 1,474 of 3,160
Wood heating systems (2026)11.1%11.1%13.5%ranked 1,965 of 3,160
District heating (2026)0.4%0.4%5.6%ranked 1,913 of 3,160

Society

Indicator4805 BrittnauBrittnauSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)15.6%15.6%29.8%ranked 1,438 of 2,040

Where is 4805 Brittnau?

Frequently asked questions

What is the population of 4805 Brittnau (Brittnau)?

4805 Brittnau has 4,300 residents in 2025. It covers 13.1 km², or 328 people per km².

Where is 4805 Brittnau?

4805 Brittnau (postcode area) is part of Brittnau, in Aargau.

What is the value of “Share of foreign nationals” in 4805 Brittnau?

Share of foreign nationals: 15.6% (2025), ranked 1,438 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 4805 Brittnau?

Dwellings: 2,035 (2026), ranked 601 of 3,164 postcode areas in the country.