What is the postal code of Knonau?

The postal code of Knonau is 8934.

What is the tax rate in Knonau?

The municipal tax multiplier of Knonau is 116% (2026); canton ZH levies 95%.

How much tax do you pay in Knonau?

A single person without children pays about 11'706 CHF income tax in Knonau on 100'000 CHF gross income (federal, cantonal, municipal), rank 124 of 160 in canton ZH. Source: ESTV (2026).

How many residents does Knonau have?

Knonau has 2'515 residents (2025).

How many foreign residents live in Knonau?

Knonau has 490 foreign residents, a share of 19.48% (2025).

Switzerland · Canton ZH

Knonau

8934

ZH CANTON8934

Residents

2'515

Area

6.5 km²

Population density

389 pop./km²

Elevation

431 m a.s.l.

Tax multiplier

116%

Postal codes

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025

Women

1'259 50.1%

Men

1'256 49.9%

Children & youth (0–19)

631 25.1%

Swiss citizens

2'025 80.5%

Foreign residents

490 19.5%

Population density

389 pop./km²

0–19 · 631 · 25.1%20–64 · 1'478 · 58.8%65+ · 406 · 16.1%

Foreign residents 19.5%0%64.0%

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026

Vote results for Knonau

BFS

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes

55.1% YesNo 44.9%

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes

45.6% YesNo 54.4%

14.06.2026Kantonale Volksinitiative «Stopp Prämien-Schock: Für eine automatische Entlastung bei den Krankenkassenprämien»Cantonal ZH● Accepted · 53.1% Yes

61.0% YesNo 39.0%

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

32.5% YesNo 67.6%

14.06.2026B. Gegenvorschlag des KantonsratesCantonal ZH● Accepted · 54.3% Yes

58.1% YesNo 41.9%

14.06.2026A. Kantonale Volksinitiative «Bezahlbare Wohnungen schützen. Leerkündigungen stoppen (Wohnschutz-Initiative)»Cantonal ZH● Rejected · 42.7% Yes

35.1% YesNo 64.9%

29.6% YesNo 70.4%

14.06.2026B. Gegenvorschlag des Kantonsrates vom 17. November 2025Cantonal ZH● Accepted · 57.9% Yes

65.9% YesNo 34.1%

14.06.2026A. Kantonale Volksinitiative für mehr günstige und gemeinnützige Wohnungen («Wohnungsinitiative»)Cantonal ZH● Rejected · 40.3% Yes

32.6% YesNo 67.5%

14.06.2026Kantonale Volksinitiative «Wohneigentum wieder ermöglichen (Wohneigentums-Initiative)»Cantonal ZH● Rejected · 25.1% Yes

29.7% YesNo 70.3%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023

SVP31.7% · strongest party

SVP31.7%

SP15.4%

GLP14.5%

Mitte11.3%

FDP8.6%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026

Taxes 2026

ESTV

Municipal tax multiplier116%

Cantonal tax multiplier95%

116%ZH range 71%128%

Tax rank 129 of 160 in canton Zurich

Tax burden

Single, 100'000 CHF gross income

11'706 CHF(11.7%)

Rank 124 of 160 in the canton · 249 of 2110 in Switzerland

Median canton 11'375 CHF · median Switzerland 15'290 CHF

Cheapest Zumikon 9'577 CHF · most expensive Bachs 12'273 CHF

Income tax as % of gross income

100'000 CHF:11'706 CHF(~11.7%)

KnonauCanton range ZurichSwitzerland median

Show data table

Gross income	Knonau	Zurich	Switzerland median
40'000	5.2%	4.2–5.5%	5.4%
50'000	6.4%	5.2–6.8%	7.8%
60'000	7.7%	6.2–8.1%	10.5%
70'000	8.8%	7.1–9.2%	11.9%
80'000	9.8%	8–10.3%	13.1%
90'000	10.6%	8.6–11.1%	14.1%
100'000	11.7%	9.6–12.3%	15.3%
110'000	12.7%	10.4–13.3%	16.3%
120'000	13.5%	11.1–14.1%	17.2%
130'000	14.2%	11.7–14.8%	18.1%
140'000	15%	12.5–15.7%	19%
150'000	15.8%	13.1–16.5%	19.7%
175'000	17.6%	14.7–18.4%	21.6%
200'000	19.3%	16.2–20.1%	23.2%
225'000	20.8%	17.5–21.6%	24.6%
250'000	22.2%	18.8–23.1%	25.8%
275'000	23.4%	19.8–24.3%	26.8%
300'000	24.3%	20.7–25.3%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–202010.1 °C

Precipitation 1991–20201'193 mm

10.1 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

504 m

Mean elevation

454 m

Relief

90 m

Mean slope

6°

Flat share

50.0%

South-facing

11.3%

Above 2000 m

0.0%

Relief 90 m0 m3'847 m

Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.

swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026

Solar potential

BFE

Roof potential

17.4 GWh/yr

Roofs + façades

23.2 GWh/yr

≈ households powered

3'900

17 GWh/yr01'133 GWh/yr

BFE solar factsheet ↗

Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).

Swiss Federal Office of Energy (SFOE), retrieved 31.08.2026

Electricity

ElCom · 2026

Tariff H4

24.14 Rp./kWh

Energy

12.11 Rp./kWh

Grid usage

8.23 Rp./kWh

Levies + grid surcharge

2.46 Rp./kWh

24.14 Rp./kWh9.6443.61

Canton median 24.76 Rp./kWhSwiss median 27.7 Rp./kWh

Network operator Elektrizitätswerke des Kantons Zürich (EKZ)

ElCom tariff comparison ↗

How this is measured

Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026

Housing

BFS

Vacancy rate

0.46 %

Avg. rooms

4.1

Dwellings

1'080

Built before 194613.1%

Built since 200143.9%

0.46 %0 %12 %

Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.

Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM

Major centrePT 57 min · Car 36 min

AgglomerationPT 22 min · Car 17 min

Remoteness 71/160 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0

Websiteknonau.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities2'515 #111 ZH · #838 CH Families & children25.1% #3 ZH · #73 CH Age structure16.1% #143 ZH · #1887 CH Women share50.1% #72 ZH · #836 CH Foreign residents19.5% #90 ZH · #908 CH Population density389/km² #103 ZH · #627 CH Tax burden11'706 #127 ZH · #252 CH Taxes116% #129 ZH Warmest municipalities10.1 °C #11 ZH · #378 CH Sunniest municipalities41.2% #39 ZH · #1297 CH Rainiest municipalities1'193 mm #47 ZH · #707 CH Voter turnout62.6% #50 ZH · #262 CH Against Switzerland7% #125 ZH · #1353 CH Aligned with Switzerland93% #17 ZH · #77 CH SVP strongholds31.7% #121 ZH · #1163 CH SP strongholds15.4% #55 ZH · #898 CH Centre strongholds11.3% #13 ZH · #1074 CH FDP strongholds8.6% #115 ZH · #1529 CH GLP strongholds14.5% #18 ZH · #35 CH Green strongholds7% #69 ZH · #1084 CH Largest by area6.5 km² #99 ZH · #1327 CH Highest municipalities431 m #112 ZH · #1691 CH Remotest municipalities57 min #71 ZH · #1417 CH Best-connected municipalities57 min #86 ZH · #669 CH Highest peaks504 m #137 ZH · #1860 CH Highest-lying municipalities454 m #117 ZH · #1691 CH Greatest vertical range90 m #141 ZH · #1879 CH Steepest municipalities6° #85 ZH · #1387 CH Solar potential17 GWh #112 ZH · #1124 CH Cheapest electricity24.14 Rp./kWh #8 ZH · #69 CH Most expensive electricity24.14 Rp./kWh #44 ZH · #1929 CH

Postal codes (1)

swisstopo

8934

Knonau

Localities

swisstopo · 1

Knonau8934

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Knonau?: The postal code of Knonau is 8934.
What is the tax rate in Knonau?: The municipal tax multiplier of Knonau is 116% (2026); canton ZH levies 95%.
How much tax do you pay in Knonau?: A single person without children pays about 11'706 CHF income tax in Knonau on 100'000 CHF gross income (federal, cantonal, municipal), rank 124 of 160 in canton ZH. Source: ESTV (2026).
How many residents does Knonau have?: Knonau has 2'515 residents (2025).
How many foreign residents live in Knonau?: Knonau has 490 foreign residents, a share of 19.48% (2025).

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