Postcode area · Aristau · Aargau

5628 Aristau (Aristau): key figures

5628 Aristau (postcode area in Aristau) has 1,615 residents in 2025 across 8.2 km², or 196 people per km². Population: +17.7% between 2015 and 2025.

  • 1,615 residents
  • 8.2 km²
  • 196 people/km²

5628 Aristau in numbers

Population
1,615
ranked 1,199 of 2,275
+17.7%between 2015 and 2025
2015–2025
Population density
196people/km²
ranked 1,400 of 2,275
Area
8.2km²
ranked 1,422 of 3,168
Share of foreign nationals
19.9%
ranked 1,116 of 2,040
Dwellings
761
ranked 1,404 of 3,164
Residential buildings
417
ranked 1,383 of 3,160
Dwellings in buildings built before 1946
18.4%
ranked 2,268 of 3,164

Key points

Nationally, 5628 Aristau ranks No. 1,199 of 2,275 postcode areas.

Population of 5628 Aristau over time

1,3001,4001,5001,6001,7002015202020232025
Population, 2015–2025

5628 Aristau had 1,372 residents in 2015 and 1,615 in 2025.

YearPopulation
20151,372
20201,483
20231,611
20251,615

All indicators for 5628 Aristau

Next to the value for 5628 Aristau: all postcode areas of Aristau, then of the whole country (totals for counts, weighted averages for rates).

5628 AristauNational medianHover over or tap a bar to see what it shows.

Housing

Indicator5628 AristauAristauSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)761––ranked 1,404 of 3,164
Residential buildings (2026)417––ranked 1,383 of 3,160
Dwellings in buildings built before 1946 (2026)18.4%18.4%23.2%ranked 2,268 of 3,164
Dwellings in buildings built since 2001 (2026)33.8%33.8%23.6%ranked 529 of 3,164
Share of detached houses among residential buildings (2026)72.7%72.7%63.5%ranked 1,281 of 3,160

Energy

Indicator5628 AristauAristauSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)61.3%61.3%56.2%ranked 941 of 3,160
Heat pumps as main heating (2026)18.5%18.5%16.2%ranked 1,005 of 3,160
Wood heating systems (2026)17.8%17.8%13.5%ranked 1,450 of 3,160
District heating (2026)0.0%0.0%5.6%ranked 2,207 of 3,160

Society

Indicator5628 AristauAristauSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)19.9%19.9%29.8%ranked 1,116 of 2,040

Where is 5628 Aristau?

Frequently asked questions

What is the population of 5628 Aristau (Aristau)?

5628 Aristau has 1,615 residents in 2025. It covers 8.2 km², or 196 people per km².

Where is 5628 Aristau?

5628 Aristau (postcode area) is part of Aristau, in Aargau.

What is the value of “Share of foreign nationals” in 5628 Aristau?

Share of foreign nationals: 19.9% (2025), ranked 1,116 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 5628 Aristau?

Dwellings: 761 (2026), ranked 1,404 of 3,164 postcode areas in the country.