What is the postal code of Chiasso?

Chiasso has 2 postal codes: 6830, 6832.

What is the tax rate in Chiasso?

The municipal tax multiplier of Chiasso is 88% (2026); canton TI levies 100%.

How much tax do you pay in Chiasso?

A single person without children pays about 14'206 CHF income tax in Chiasso on 100'000 CHF gross income (federal, cantonal, municipal), rank 59 of 100 in canton TI. Source: ESTV (2026).

How many residents does Chiasso have?

Chiasso has 7'677 residents (2025).

How many foreign residents live in Chiasso?

Chiasso has 3'553 foreign residents, a share of 46.28% (2025).

Switzerland · Canton TI

Chiasso

6830–6832

TI CANTON6830 6832

Residents

7'677

Area

5.4 km²

Population density

1'435 pop./km²

Elevation

230 m a.s.l.

Terrain up to

564 m a.s.l.

Tax multiplier

88%

Postal codes

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

Demographics

BFS · 2025

Women

3'876 50.5%

Men

3'801 49.5%

Children & youth (0–19)

1'170 15.2%

Swiss citizens

4'124 53.7%

Foreign residents

3'553 46.3%

Population density

1'435 pop./km²

0–19 · 1'170 · 15.2%20–64 · 4'433 · 57.7%65+ · 2'074 · 27.0%

Foreign residents 46.3%0%64.0%

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

Vote results for Chiasso

BFS

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

54.4% YesNo 45.6%

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

49.7% YesNo 50.3%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

47.8% YesNo 52.2%

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes

32.8% YesNo 67.2%

08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes

51.4% YesNo 48.6%

08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes

58.1% YesNo 41.9%

08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes

65.7% YesNo 34.3%

08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes

62.0% YesNo 38.0%

30.11.2025Volksinitiative «Für eine soziale Klimapolitik – steuerlich gerecht finanziert (Initiative für eine Zukunft)»Federal● Rejected · 21.7% Yes

26.2% YesNo 73.8%

30.11.2025Volksinitiative «Für eine engagierte Schweiz (Service-citoyen-Initiative)»Federal● Rejected · 15.9% Yes

15.9% YesNo 84.1%

All federal votes →

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

Politics

National Council election 2023

FDP25.3% · strongest party

FDP25.3%

Mitte18.3%

Lega12.8%

SP12.6%

SVP11.1%

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

Taxes 2026

ESTV

Municipal tax multiplier88%

Cantonal tax multiplier100%

88%TI range 56%100%

Tax rank 59 of 100 in canton Ticino

Tax burden

Single, 100'000 CHF gross income

14'206 CHF(14.2%)

Rank 59 of 100 in the canton · 865 of 2110 in Switzerland

Median canton 14'007 CHF · median Switzerland 15'290 CHF

Cheapest Porza 12'081 CHF · most expensive Bosco/Gurin 15'003 CHF

Income tax as % of gross income

100'000 CHF:14'206 CHF(~14.2%)

ChiassoCanton range TicinoSwitzerland median

Show data table

Gross income	Chiasso	Ticino	Switzerland median
40'000	4.6%	3.9–4.9%	5.4%
50'000	6.9%	5.8–7.3%	7.8%
60'000	8.9%	7.5–9.4%	10.5%
70'000	10.5%	8.8–11.1%	11.9%
80'000	11.9%	10–12.6%	13.1%
90'000	13%	11–13.8%	14.1%
100'000	14.2%	12.1–15%	15.3%
110'000	15.2%	13–16%	16.3%
120'000	16.2%	13.8–17%	17.2%
130'000	17%	14.6–17.9%	18.1%
140'000	17.9%	15.4–18.8%	19%
150'000	18.7%	16.1–19.7%	19.7%
175'000	20.5%	17.7–21.5%	21.6%
200'000	22%	19.1–23.1%	23.2%
225'000	23.3%	20.3–24.4%	24.6%
250'000	24.4%	21.3–25.5%	25.8%
275'000	25.4%	22.2–26.6%	26.8%
300'000	26.3%	23–27.5%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–202012.1 °C

Precipitation 1991–20201'641 mm

12.1 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

564 m

Mean elevation

345 m

Relief

339 m

Mean slope

12.9°

Flat share

35.5%

South-facing

8.2%

Above 2000 m

0.0%

Relief 339 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

53.4 GWh/yr

Roofs + façades

76.5 GWh/yr

≈ households powered

11'900

53 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

28.07 Rp./kWh

Energy

11.24 Rp./kWh

Grid usage

11.45 Rp./kWh

Levies + grid surcharge

4.52 Rp./kWh

28.07 Rp./kWh9.6443.61

Canton median 25.13 Rp./kWhSwiss median 27.7 Rp./kWh

Network operator AGE SA

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

7.58 %

Avg. rooms

3.1

Dwellings

5'583

Built before 194618.3%

Built since 200110.2%

7.58 %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 58 min · Car 29 min

AgglomerationPT 15 min · Car 6 min

Remoteness 35/100 in canton

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

Municipality

Wikidata · CC0

Websitechiasso.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities7'677 #5 TI · #256 CH Families & children15.2% #76 TI · #1970 CH Age structure27% #36 TI · #233 CH Women share50.5% #59 TI · #644 CH Foreign residents46.3% #4 TI · #23 CH Population density1'435/km² #12 TI · #131 CH Tax burden14'206 #60 TI · #867 CH Taxes88% #59 TI Warmest municipalities12.1 °C #11 TI · #11 CH Sunniest municipalities55.2% #47 TI · #70 CH Rainiest municipalities1'641 mm #76 TI · #145 CH Voter turnout47.6% #92 TI · #1887 CH Against Switzerland27% #17 TI · #175 CH Aligned with Switzerland73% #60 TI · #1303 CH SVP strongholds11.1% #94 TI · #2081 CH SP strongholds12.6% #37 TI · #1211 CH Centre strongholds18.3% #46 TI · #625 CH FDP strongholds25.3% #18 TI · #215 CH GLP strongholds0.9% #75 TI · #1945 CH Green strongholds7.9% #60 TI · #898 CH Largest by area5.4 km² #61 TI · #1505 CH Highest municipalities230 m #90 TI · #2083 CH Remotest municipalities58 min #35 TI · #1409 CH Best-connected municipalities58 min #66 TI · #722 CH Highest peaks564 m #77 TI · #1671 CH Highest-lying municipalities345 m #84 TI · #2073 CH Greatest vertical range339 m #73 TI · #925 CH Steepest municipalities12.9° #78 TI · #708 CH Solar potential53 GWh #13 TI · #293 CH Cheapest electricity28.07 Rp./kWh #55 TI · #1120 CH Most expensive electricity28.07 Rp./kWh #44 TI · #986 CH

Postal codes (2)

swisstopo

Localities

swisstopo · 3

Chiasso6830 Pedrinate6832 Seseglio6832

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Chiasso?: Chiasso has 2 postal codes: 6830, 6832.
What is the tax rate in Chiasso?: The municipal tax multiplier of Chiasso is 88% (2026); canton TI levies 100%.
How much tax do you pay in Chiasso?: A single person without children pays about 14'206 CHF income tax in Chiasso on 100'000 CHF gross income (federal, cantonal, municipal), rank 59 of 100 in canton TI. Source: ESTV (2026).
How many residents does Chiasso have?: Chiasso has 7'677 residents (2025).
How many foreign residents live in Chiasso?: Chiasso has 3'553 foreign residents, a share of 46.28% (2025).

Map

OpenStreetMap

Compare

Chiasso compared with