Postcode area · Jonschwil · St. Gallen

9536 Schwarzenbach SG (Jonschwil): key figures

9536 Schwarzenbach SG (postcode area in Jonschwil) has 2,112 residents in 2025 across 3.7 km², or 569 people per km². By population, 9536 Schwarzenbach SG ranks No. 1 of 2 postcode areas in Jonschwil. Population: +9.8% between 2015 and 2025.

  • 2,112 residents
  • 3.7 km²
  • 569 people/km²

9536 Schwarzenbach SG in numbers

Population
2,112
ranked 993 of 2,275
+9.8%between 2015 and 2025
2015–2025
Population density
569people/km²
ranked 637 of 2,275
Area
3.7km²
ranked 2,552 of 3,168
Share of foreign nationals
16.3%
ranked 1,395 of 2,040
Dwellings
956
ranked 1,190 of 3,164
Residential buildings
487
ranked 1,182 of 3,160
Dwellings in buildings built before 1946
8.4%
ranked 2,968 of 3,164

Key points

By population, 9536 Schwarzenbach SG ranks No. 1 of 2 postcode areas in Jonschwil.

Nationally, 9536 Schwarzenbach SG ranks No. 993 of 2,275 postcode areas.

Population of 9536 Schwarzenbach SG over time

1,9002,0002,1002,2002015202020232025
Population, 2015–2025

9536 Schwarzenbach SG had 1,923 residents in 2015 and 2,112 in 2025.

YearPopulation
20151,923
20201,976
20232,129
20252,112

All indicators for 9536 Schwarzenbach SG

Next to the value for 9536 Schwarzenbach SG: all postcode areas of Jonschwil, then of the whole country (totals for counts, weighted averages for rates).

9536 Schwarzenbach SGNational medianHover over or tap a bar to see what it shows.

Housing

Indicator9536 Schwarzenbach SGJonschwilSwitzerlandPosition?Rank in the areaRank in the country
Dwellings (2026)956––ranked 1 of 2ranked 1,190 of 3,164
Residential buildings (2026)487––ranked 1 of 2ranked 1,182 of 3,160
Dwellings in buildings built before 1946 (2026)8.4%13.5%23.2%ranked 2 of 2ranked 2,968 of 3,164
Dwellings in buildings built since 2001 (2026)33.1%29.8%23.6%ranked 1 of 2ranked 572 of 3,164
Share of detached houses among residential buildings (2026)79.3%78.2%63.5%ranked 1 of 2ranked 591 of 3,160

Energy

Indicator9536 Schwarzenbach SGJonschwilSwitzerlandPosition?Rank in the areaRank in the country
Oil or gas heating systems (2026)60.6%49.3%56.2%ranked 1 of 2ranked 970 of 3,160
Heat pumps as main heating (2026)26.7%36.6%16.2%ranked 2 of 2ranked 519 of 3,160
Wood heating systems (2026)7.0%9.6%13.5%ranked 2 of 2ranked 2,379 of 3,160
District heating (2026)0.2%0.2%5.6%ranked 1 of 2ranked 2,105 of 3,160

Society

Indicator9536 Schwarzenbach SGJonschwilSwitzerlandPosition?Rank in the areaRank in the country
Share of foreign nationals (2025)16.3%15.6%29.8%ranked 1 of 2ranked 1,395 of 2,040

Where is 9536 Schwarzenbach SG?

Frequently asked questions

What is the population of 9536 Schwarzenbach SG (Jonschwil)?

9536 Schwarzenbach SG has 2,112 residents in 2025. It covers 3.7 km², or 569 people per km².

Where is 9536 Schwarzenbach SG?

9536 Schwarzenbach SG (postcode area) is part of Jonschwil, in St. Gallen.

What is the value of “Share of foreign nationals” in 9536 Schwarzenbach SG?

Share of foreign nationals: 16.3% (2025), ranked 1,395 of 2,040 postcode areas in the country.

What is the value of “Dwellings” in 9536 Schwarzenbach SG?

Dwellings: 956 (2026), ranked 1,190 of 3,164 postcode areas in the country.