Location map: Bonstetten
Municipality · Bezirk Affoltern · Zürich

Bonstetten: population and statistics

Bonstetten has a population of 5,659 (2025) across 7.4 km², or 762 people per km². It ranks 370 of 2,115 municipalities by population. Its population is growing: +6.3% between 2015 and 2025.

  • 5,659 residents
  • 7.4 km²
  • 762 people/km²
  • 545 m

Key points

Among the 160 municipalities in Zürich, Bonstetten ranks No. 67 by population.

Rooftop solar potential per inhabitant: 4,351 kWh/inh. in Bonstetten, compared with an average of 4,465 kWh/inh. in Zürich and 7,100 kWh/inh. nationally.

Dwellings in buildings built before 1946: 7.0% in Bonstetten, compared with an average of 20.9% in Zürich and 22.4% nationally.

A 1 kWp solar panel tilted at 37° generates about 1,144 kWh a year here.

Bonstetten in numbers

Population
5,659
ranked 370 of 2,115
+6.3%over 10 years
2015–2025
Population density
762people/km²
ranked 353 of 1,806
Area
7.4km²
ranked 1,151 of 2,110
Elevation
545m
ranked 971 of 2,114
Rooftop solar potential per inhabitant
4,351kWh/inh.
ranked 1,734 of 1,810
Dwellings in buildings built before 1946
7.0%
ranked 1,724 of 1,806
Share of sole proprietorships among registered entities
38.7%
ranked 212 of 1,808
Jobs per 1,000 inhabitants
200.2
ranked 1,566 of 1,810

Where is Bonstetten?

Population of Bonstetten over time

5,3005,4005,5005,6005,7005,800201520172019202120232025
Population, 2015–2025

Bonstetten had 5,326 residents in 2015 and 5,659 in 2025.

YearPopulation
20205,610
20215,632
20225,624
20235,678
20245,712
20255,659

Did you know?

All indicators for Bonstetten

Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.

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

Population

IndicatorBonstettenZürichNationalPosition?Rank
Share of people aged 65 and over (2025)18.8%17.6%20.7%ranked 1,257 of 1,811

Housing

IndicatorBonstettenZürichNationalPosition?Rank
Dwellings (2026)2,550810,6664,927,050ranked 463 of 2,108
Dwellings in buildings built before 1946 (2026)7.0%20.9%23.3%ranked 1,724 of 1,806
Dwellings in buildings built since 2001 (2026)35.1%27.3%25.3%ranked 322 of 1,806
Share of single-family houses among residential buildings (2026)74.9%50.5%69.5%ranked 547 of 1,806

Energy

IndicatorBonstettenZürichNationalPosition?Rank
Oil or gas heating systems (2026)77.8%63.4%53.5%ranked 144 of 1,806
Heat pumps as main heating (2026)7.5%20.2%13.7%ranked 1,456 of 1,806
Wood heating systems (2026)9.4%5.4%12.4%ranked 1,099 of 1,806
District heating (2026)2.3%8.1%1.4%ranked 731 of 1,806
Photovoltaic installations (2026)16333,320329,600ranked 671 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)577.1 kW571.3 kW1,134 kWranked 1,605 of 1,806
Rooftop solar electricity potential (2026)24.6 GWh/year7,291 GWh/year64,783 GWh/yearranked 851 of 2,114
Rooftop solar potential per inhabitant (2026)4,351 kWh/inh.4,465 kWh/inh.9,356 kWh/inh.ranked 1,734 of 1,810

Economy

IndicatorBonstettenZürichNationalPosition?Rank
Establishments (2024)278126,784728,011ranked 543 of 2,112
Entities listed in the commercial register (2026)300132,519762,757ranked 511 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)53.081.264.9ranked 1,413 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)57.3%67.3%65.7%ranked 1,525 of 1,808
Share of sole proprietorships among registered entities (2026)38.7%27.9%29.0%ranked 212 of 1,808

Employment

IndicatorBonstettenZürichNationalPosition?Rank
Jobs (2024)1,1331,149,8665,679,518ranked 759 of 2,111
Jobs per 1,000 inhabitants (2024)200.2704.2362.9ranked 1,566 of 1,810
Share of jobs in services (2024)80.4%81.6%63.6%ranked 316 of 1,804
Share of jobs in industry and construction (2024)15.9%16.2%24.2%ranked 1,297 of 1,776

Society

IndicatorBonstettenZürichNationalPosition?Rank
Share of foreign nationals (2025)18.8%29.2%18.9%ranked 916 of 1,811

Sunshine and temperatures: Bonstetten

Annual solar output
1,144kWh
for 1 kWp tilted at 37°
Warmest month
19.1°C
July
Coldest month
0.9°C
January
Most productive month
133kWh
July

0100200300−10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly sunshine (kWh/m²)Average temperature (°C)

Frequently asked questions

What is the population of Bonstetten?

Bonstetten has 5,659 residents (2025), ranking 370 of 2,115 municipalities.

How big is Bonstetten?

Bonstetten covers 7.4 km², with a density of 762 people per km².

Is the population of Bonstetten growing?

Between 2015 and 2025, the population of Bonstetten went from 5,326 to 5,659, a change of +6.3%.

Where is Bonstetten?

Bonstetten is in Zürich. It belongs to Bezirk Affoltern (district). Latitude 47.316, longitude 8.469.

Rooftop solar potential per inhabitant: what is the figure for Bonstetten?

In Bonstetten, “Rooftop solar potential per inhabitant” stands at 4,351 kWh/inh. (2026), ranking 1,734 of 1,810 municipalities; the national median is 9,356 kWh/inh..

Dwellings in buildings built before 1946: what is the figure for Bonstetten?

In Bonstetten, “Dwellings in buildings built before 1946” stands at 7.0% (2026), ranking 1,724 of 1,806 municipalities; the national median is 23.3%.

How much electricity does a solar panel produce in Bonstetten?

In Bonstetten, a 1 kWp south-facing system tilted at 37° produces about 1,144 kWh a year.

Which municipalities border Bonstetten?

The nearest to Bonstetten are Stallikon (2.1 km), Islisberg (2.4 km), Hedingen (2.4 km), Wettswil am Albis (2.6 km), Aesch (ZH) (3.3 km).