Switzerland · Canton ZH · District
Bezirk Affoltern
ZurichBezirk Affoltern is one of 12 districts of the canton of Zurich and comprises 14 municipalities with 58'566 residents in all (BFS, 2025). A district is an administrative unit of the canton — a court and administrative area, not a postal delivery area: postal codes and localities follow delivery routes and can cross district borders.
Affoltern am Albis
12'911Residents
Obfelden
6'081Residents
Mettmenstetten
5'841Residents
Bonstetten
5'659Residents
Wettswil am Albis
5'419Residents
Hedingen
3'983Residents
Hausen am Albis
3'956Residents
Stallikon
3'903Residents
Ottenbach
3'038Residents
Knonau
2'515Residents
Aeugst am Albis
2'003Residents
Kappel am Albis
1'375Residents
Rifferswil
1'213Residents
Maschwanden
669Residents
Federal Statistical Office (FSO), retrieved 12.08.2026
Votes in Bezirk Affoltern
district results as published by BFS14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes
56.1% YesNo 43.9%
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes
45.3% YesNo 54.7%
14.06.2026Kantonale Volksinitiative «Stopp Prämien-Schock: Für eine automatische Entlastung bei den Krankenkassenprämien»Cantonal ZH● Accepted · 53.1% Yes
55.8% YesNo 44.2%
14.06.2026C. Stichfrage: Welche der beiden Vorlagen soll in Kraft treten, falls sowohl die kantonale Volksinitiative als auch der Gegenvorschlag des Kantonsrates angenommen werden?Cantonal ZH● Rejected · 41.1% Yes
33.0% YesNo 67.0%
14.06.2026A. Kantonale Volksinitiative «Bezahlbare Wohnungen schützen. Leerkündigungen stoppen (Wohnschutz-Initiative)»Cantonal ZH● Rejected · 42.7% Yes
34.1% YesNo 65.9%
14.06.2026C. Stichfrage: Welche der beiden Vorlagen soll in Kraft treten, falls sowohl die kantonale Volksinitiative als auch der Gegenvorschlag des Kantonsrates angenommen werden?Cantonal ZH● Rejected · 39.3% Yes
30.9% YesNo 69.2%
14.06.2026B. Gegenvorschlag des Kantonsrates vom 17. November 2025Cantonal ZH● Accepted · 57.9% Yes
63.0% YesNo 37.0%
14.06.2026A. Kantonale Volksinitiative für mehr günstige und gemeinnützige Wohnungen («Wohnungsinitiative»)Cantonal ZH● Rejected · 40.3% Yes
32.0% YesNo 68.0%
14.06.2026Kantonale Volksinitiative «Wohneigentum wieder ermöglichen (Wohneigentums-Initiative)»Cantonal ZH● Rejected · 25.1% Yes
27.0% YesNo 73.0%
Federal Statistical Office (FSO), retrieved 12.08.2026
Politics
National Council election 2023 · sum of its municipalitiesSVP32.8% · strongest party
SVP32.8%
SP15.5%
GLP14.1%
FDP12.3%
Mitte8.1%
GRÜNE7.8%
EVP3.8%
Übrige3.7%
EDU1.5%
FGA0.2%
PdA/Sol.0.1%
SD0.1%
Tax rate in the district
ESTV 2026Wettswil am Albis
89 %
median of its municipalities
109 %
Maschwanden
128 %
A district has no tax rate of its own. Rates range from 89 % % in Wettswil am Albis to 128 % % in Maschwanden (median 109 % %).
Tax burden (single, CHF 100,000): 10.4 % in Wettswil am Albis to 12.3 % in Maschwanden (ESTV 2'026)
Housing
BFSVacancy rate
0.7 %
Dwellings
26'253
Avg. rooms
4
Built before 1946
14.6%
Vacancy rate: published by BFS for the district (2025) · Dwellings: sum of its municipalities (2024)
Population change
BFS · 2025 · sum of its municipalitiesPopulation change 2025
+376 +0.7%
births
455
deaths
380
net migration
+313
BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Economy
BFS · 2024 · sum of its municipalitiesJobs
18'732
Workplaces
3'666
Services share
73.8 %
Jobs by sector: Primary 770 (4.1%) · Secondary 4'146 (22.1%) · Tertiary 13'816 (73.8%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 11.09.2026
Agriculture
BFS · 2025 · sum of its municipalitiesFarms
240
Organic share
14.2 %
Farmland
6'172 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Climate · Terrain
MeteoSchweiz · swisstopoAnnual mean temperature
9.5 °C
Precipitation
1'209 mm
Elevation
381–912 m
Flat share
47.6%
Climate: area-weighted over its municipalities · Terrain: swissALTIRegio 40 m, zonal over the district polygon
Energy · Accessibility
BFE · ElCom · ARESolar potential
346 GWh
Electricity
23.9 Rp./kWh
Public transport to centre
57 min
Road to centre
30 min
Solar potential: sum of its municipalities · Electricity: median of its municipalities (23.872–23.872 Rp./kWh, 2027). ElCom publishes a median per municipality; the district value is our median of those. · Accessibility: median of its municipalities
Where the municipalities of Bezirk Affoltern rank
sum of its municipalities6340Sihlbrugg×28134Adliswil×38143Stallikon×38906Bonstetten8907Wettswil8908Hedingen8909Zwillikon8910Affoltern am Albis8911Rifferswil8912Obfelden8913Ottenbach8914Aeugst am Albis8915Hausen am Albis8925Ebertswil8926Kappel am Albis8932Mettmenstetten8933Maschwanden8934Knonau
3 of these postal codes reach across the district border.
Map
swisstopo · OSM- Which municipalities belong to Bezirk Affoltern?
- Bezirk Affoltern comprises 14 municipalities: Affoltern am Albis, Obfelden, Mettmenstetten, Bonstetten, Wettswil am Albis, Hedingen, Hausen am Albis, Stallikon, Ottenbach, Knonau, Aeugst am Albis, Kappel am Albis, Rifferswil, Maschwanden. Together they have 58'566 residents (BFS, 2025).
- Which canton is Bezirk Affoltern in?
- Bezirk Affoltern lies in the canton of Zurich, which is divided into 12 districts.
- How many people live in Bezirk Affoltern?
- Bezirk Affoltern has 58'566 residents (BFS STATPOP, 2025) — the sum of its 14 municipalities; the largest is Affoltern am Albis with 12'911.
- Does Bezirk Affoltern have its own tax rate?
- No. Tax rates are set by municipalities. In Bezirk Affoltern the municipal rate ranges from 89 % (Wettswil am Albis) to 128 % (Maschwanden).
- How did Bezirk Affoltern vote in the latest federal vote?
- On 14.06.2026, Bezirk Affoltern voted 56.1 % yes on “Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)” (Accepted) — the district figure BFS publishes.
Districts exist in 17 cantons; UR, OW, NW, GL, ZG, BS, AI, NE and GE have no such level.