Postcode area · Wädenswil · Zurich

8820 Wädenswil (Wädenswil): key figures

8820 Wädenswil (postcode area in Wädenswil) has 16,734 residents in 2025 across 18.6 km², or 901 people per km². By population, 8820 Wädenswil ranks No. 1 of 2 postcode areas in Wädenswil. Population: +7.3% between 2015 and 2025.

  • 16,734 residents
  • 18.6 km²
  • 901 people/km²

8820 Wädenswil in numbers

Population
16,734
ranked 99 of 2,275
+7.3%between 2015 and 2025
2015–2025
Population density
901people/km²
ranked 411 of 2,275
Area
18.6km²
ranked 524 of 3,168
Share of foreign nationals
26.9%
ranked 638 of 2,040
Dwellings
8,402
ranked 111 of 3,164
Residential buildings
2,258
ranked 70 of 3,160
Dwellings in buildings built before 1946
24.3%
ranked 1,823 of 3,164

Key points

By population, 8820 Wädenswil ranks No. 1 of 2 postcode areas in Wädenswil.

Nationally, 8820 Wädenswil ranks No. 99 of 2,275 postcode areas.

Population of 8820 Wädenswil over time

15,50016,00016,50017,0002015202020232025
Population, 2015–2025

8820 Wädenswil had 15,591 residents in 2015 and 16,734 in 2025.

YearPopulation
201515,591
202015,886
202316,754
202516,734

All indicators for 8820 Wädenswil

Next to the value for 8820 Wädenswil: all postcode areas of Wädenswil, then of the whole country (totals for counts, weighted averages for rates).

8820 WädenswilNational medianHover over or tap a bar to see what it shows.

Housing

Indicator8820 WädenswilWädenswilSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)8,402––ranked 1 of 4ranked 111 of 3,164
Residential buildings (2026)2,258––ranked 1 of 4ranked 70 of 3,160
Dwellings in buildings built before 1946 (2026)24.3%21.4%23.2%ranked 3 of 4ranked 1,823 of 3,164
Dwellings in buildings built since 2001 (2026)23.6%24.4%23.6%ranked 2 of 4ranked 1,370 of 3,164
Share of detached houses among residential buildings (2026)50.9%56.3%63.5%ranked 4 of 4ranked 2,782 of 3,160

Energy

Indicator8820 WädenswilWädenswilSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)62.6%56.0%56.2%ranked 2 of 4ranked 874 of 3,160
Heat pumps as main heating (2026)24.3%26.4%16.2%ranked 4 of 4ranked 627 of 3,160
Wood heating systems (2026)5.7%8.0%13.5%ranked 3 of 4ranked 2,493 of 3,160
District heating (2026)0.8%1.4%5.6%ranked 2 of 4ranked 1,602 of 3,160

Society

Indicator8820 WädenswilWädenswilSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)26.9%27.1%29.8%ranked 2 of 3ranked 638 of 2,040

Where is 8820 Wädenswil?

Frequently asked questions

What is the population of 8820 Wädenswil (Wädenswil)?

8820 Wädenswil has 16,734 residents in 2025. It covers 18.6 km², or 901 people per km².

Where is 8820 Wädenswil?

8820 Wädenswil (postcode area) is part of Wädenswil, in Zurich.

What is the value of “Share of foreign nationals” in 8820 Wädenswil?

Share of foreign nationals: 26.9% (2025), ranked 638 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 8820 Wädenswil?

Dwellings: 8,402 (2026), ranked 111 of 3,164 postcode areas in the country.