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 · Distretto di Mendrisio

Chiasso

6830–6832

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN · swissTLM3D · swissTLMRegio

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%

Population change 2025: +113 (+1.5%) · 47 births · 96 deaths · net migration +146

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026

Vote results for Chiasso

BFS

27.09.2026Popular Initiative 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'Federal● Rejected · 27.5% YesDistrict Distretto di Mendrisio: 30.8% Yes

34.2% YesNo 65.8%

27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Distretto di Mendrisio: 49.8% Yes

52.8% YesNo 47.2%

14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Distretto di Mendrisio: 53.1% Yes

54.4% YesNo 45.6%

14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Distretto di Mendrisio: 50.4% Yes

49.7% YesNo 50.3%

14.06.2026Iniziativa popolare costituzionale elaborata "Si alla neutralizzazione dell'aumento dei valori di stima"Cantonal TI● Accepted · 74.0% YesDistrict Distretto di Mendrisio: 73.6% Yes

67.9% YesNo 32.1%

14.06.2026Iniziativa popolare legislativa generica "Per il rimborso delle cure dentarie"Cantonal TI● Rejected · 29.8% YesDistrict Distretto di Mendrisio: 31.5% Yes

37.7% YesNo 62.3%

08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Distretto di Mendrisio: 44.0% Yes

47.8% YesNo 52.2%

08.03.2026Popular Initiative ‘For a fair energy and climate policy: Investing for prosperity, jobs and the environment (Climate Fund Initiative)’Federal● Rejected · 29.3% YesDistrict Distretto di Mendrisio: 31.2% Yes

32.8% YesNo 67.2%

08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Distretto di Mendrisio: 46.9% Yes

51.4% YesNo 48.6%

08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Distretto di Mendrisio: 53.4% Yes

58.1% YesNo 41.9%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

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 25.09.2026

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 24.09.2026

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

Per inhabitant

6'960 kWh/yr

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 24.09.2026

Electricity

ElCom · 2027

Tariff H4

26.2 Rp./kWh

Energy

10.4 Rp./kWh

Grid usage

10.41 Rp./kWh

Levies + grid surcharge

4.52 Rp./kWh

26.2 Rp./kWh10.5645.88

Canton median 25.91 Rp./kWhSwiss median 26.53 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.

2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026

Health-insurance premiums

BAG · 2024

Premium regionRegion 1

Standard model, deductible 300740 CHF/mo

Ø premium in canton Ticino498 CHF/mo

Estimate Switzerland 2026465.3 CHF/mo

Compare health insurers in Chiasso →Canton Ticino →Premiums explained →

Premiums are set per canton and premium region. This area lies in premium region 1 of canton Ticino. Shown is the average adult premium paid across the whole canton Ticino (2024, BAG) — a region-specific average is not available in the cantonal data.

2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026

Housing

BFS · ARE

Vacancy rate

7.58 %

Second homes

18.1 %

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 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Economy

BFS · 2024

Jobs

10'943

Workplaces

1'943

Services share

88.7 %

Jobs by sector: Primary 21 (0.2%) · Secondary 1'211 (11.1%) · Tertiary 9'711 (88.7%)

STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025

Farms

Organic share

0 %

Farmland

30 ha

Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

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 24.09.2026

Municipality

Wikidata · CC0

BFS municipality number5250

Websitechiasso.ch ↗

DistrictDistretto di Mendrisio

Wikidata · continuously updated, retrieved 24.09.2026

Where Chiasso ranks

Largest municipalities7'677 #5 TI · #256 CH Growing municipalities1.5% #13 TI · #544 CH Shrinking municipalities1.5% #88 TI · #1566 CH Jobs per resident1.43 #8 TI · #34 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 turnout49.2% #92 TI · #1839 CH Against Switzerland27.5% #16 TI · #140 CH Aligned with Switzerland72.5% #63 TI · #1335 CH SVP strongholds11.1% #94 TI · #2085 CH SP strongholds12.6% #38 TI · #1216 CH Centre strongholds18.3% #46 TI · #628 CH FDP strongholds25.3% #18 TI · #217 CH GLP strongholds0.9% #75 TI · #1949 CH Green strongholds7.9% #61 TI · #903 CH Largest by area5.4 km² #61 TI · #1505 CH Highest municipalities230 m #90 TI · #2083 CH Second homes18.1% #62 TI · #398 CH Organic farming0% #81 TI · #1933 CH Best-connected municipalities58 min #66 TI · #722 CH Remotest municipalities58 min #35 TI · #1408 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 Solar potential per capita6'960 kWh #87 TI · #1681 CH Cheapest electricity26.2 Rp./kWh #57 TI · #904 CH Most expensive electricity26.2 Rp./kWh #43 TI · #1202 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

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