Postcode area · Basel · Basel-Stadt

4031 Basel (Basel): key figures

4031 Basel (postcode area in Basel) has 253 residents in 2025 across 0.1 km², or 2,300 people per km². By population, 4031 Basel ranks No. 10 of 11 postcode areas in Basel. Population: +26.5% between 2015 and 2025.

  • 253 residents
  • 0.1 km²
  • 2,300 people/km²

4031 Basel in numbers

Population
253
ranked 2,199 of 2,275
+26.5%between 2015 and 2025
2015–2025
Population density
2,300people/km²
ranked 129 of 2,275
Area
0.1km²
ranked 3,163 of 3,168
Share of foreign nationals
40.3%
ranked 129 of 2,040

Key points

By population, 4031 Basel ranks No. 10 of 11 postcode areas in Basel.

Nationally, 4031 Basel ranks No. 2,199 of 2,275 postcode areas.

Population of 4031 Basel over time

2002202402602015202020232025
Population, 2015–2025

4031 Basel had 200 residents in 2015 and 253 in 2025.

YearPopulation
2015200
2020240
2023250
2025253

All indicators for 4031 Basel

Next to the value for 4031 Basel: all postcode areas of Basel, then of the whole country (totals for counts, weighted averages for rates).

4031 BaselNational medianHover over or tap a bar to see what it shows.

Society

Indicator4031 BaselBaselSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)40.3%40.5%29.8%ranked 7 of 11ranked 129 of 2,040

Where is 4031 Basel?

Frequently asked questions

What is the population of 4031 Basel (Basel)?

4031 Basel has 253 residents in 2025. It covers 0.1 km², or 2,300 people per km².

Where is 4031 Basel?

4031 Basel (postcode area) is part of Basel, in Basel-Stadt.

What is the value of “Share of foreign nationals” in 4031 Basel?

Share of foreign nationals: 40.3% (2025), ranked 129 of 2,040 postcode areas in the country.