Postcode area · Riedholz · Solothurn

4533 Riedholz (Riedholz): key figures

4533 Riedholz (postcode area in Riedholz) has 1,973 residents in 2025 across 4.9 km², or 404 people per km². Population: +2.1% between 2015 and 2025.

  • 1,973 residents
  • 4.9 km²
  • 404 people/km²

4533 Riedholz in numbers

Population
1,973
ranked 1,047 of 2,275
+2.1%between 2015 and 2025
2015–2025
Population density
404people/km²
ranked 855 of 2,275
Area
4.9km²
ranked 2,204 of 3,168
Share of foreign nationals
14.6%
ranked 1,517 of 2,040
Dwellings
916
ranked 1,231 of 3,164
Residential buildings
570
ranked 1,003 of 3,160
Dwellings in buildings built before 1946
17.6%
ranked 2,333 of 3,164

Key points

Nationally, 4533 Riedholz ranks No. 1,047 of 2,275 postcode areas.

Population of 4533 Riedholz over time

1,9201,9401,9601,9802015202020232025
Population, 2015–2025

4533 Riedholz had 1,932 residents in 2015 and 1,973 in 2025.

YearPopulation
20151,932
20201,965
20231,971
20251,973

All indicators for 4533 Riedholz

Next to the value for 4533 Riedholz: all postcode areas of Riedholz, then of the whole country (totals for counts, weighted averages for rates).

4533 RiedholzNational medianHover over or tap a bar to see what it shows.

Housing

Indicator4533 RiedholzRiedholzSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)916––ranked 1 of 2ranked 1,231 of 3,164
Residential buildings (2026)570––ranked 1 of 2ranked 1,003 of 3,160
Dwellings in buildings built before 1946 (2026)17.6%20.7%23.2%ranked 2 of 2ranked 2,333 of 3,164
Dwellings in buildings built since 2001 (2026)28.7%26.1%23.6%ranked 1 of 2ranked 907 of 3,164
Share of detached houses among residential buildings (2026)80.7%80.2%63.5%ranked 1 of 2ranked 485 of 3,160

Energy

Indicator4533 RiedholzRiedholzSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)59.2%59.2%56.2%ranked 2 of 2ranked 1,034 of 3,160
Heat pumps as main heating (2026)14.3%14.4%16.2%ranked 2 of 2ranked 1,391 of 3,160
Wood heating systems (2026)8.9%11.1%13.5%ranked 2 of 2ranked 2,174 of 3,160
District heating (2026)2.3%1.9%5.6%ranked 1 of 2ranked 1,039 of 3,160

Society

Indicator4533 RiedholzRiedholzSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)14.6%14.6%29.8%ranked 1,517 of 2,040

Where is 4533 Riedholz?

Other postcode areas in Riedholz

Postcode areas near 4533 Riedholz

Previous in alphabetical order: 4523 Niederwil SO

The postcode areas of Riedholz

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Frequently asked questions

What is the population of 4533 Riedholz (Riedholz)?

4533 Riedholz has 1,973 residents in 2025. It covers 4.9 km², or 404 people per km².

Where is 4533 Riedholz?

4533 Riedholz (postcode area) is part of Riedholz, in Solothurn.

What is the value of “Share of foreign nationals” in 4533 Riedholz?

Share of foreign nationals: 14.6% (2025), ranked 1,517 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 4533 Riedholz?

Dwellings: 916 (2026), ranked 1,231 of 3,164 postcode areas in the country.