What is the postal code of Tresa?

Tresa has 6 postal codes: 6980, 6988, 6989, 6995, 6997, 6998.

What is the tax rate in Tresa?

The municipal tax multiplier of Tresa is 85% (2026); canton TI levies 100%.

How much tax do you pay in Tresa?

A single person without children pays about 14'007 CHF income tax in Tresa on 100'000 CHF gross income (federal, cantonal, municipal), rank 47 of 100 in canton TI. Source: ESTV (2026).

How many residents does Tresa have?

Tresa has 3'147 residents (2025).

How many foreign residents live in Tresa?

Tresa has 800 foreign residents, a share of 25.42% (2025).

Switzerland · Canton TI

Tresa

6980–6998

TI CANTON6980 6988 6989 6995+2 PLZ

Residents

3'147

Area

11.2 km²

Population density

281 pop./km²

Elevation

393 m a.s.l.

Terrain up to

705 m a.s.l.

Tax multiplier

85%

Postal codes

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

Demographics

BFS · 2025

Women

1'609 51.1%

Men

1'538 48.9%

Children & youth (0–19)

477 15.2%

Swiss citizens

2'347 74.6%

Foreign residents

800 25.4%

Population density

281 pop./km²

0–19 · 477 · 15.2%20–64 · 1'729 · 54.9%65+ · 941 · 29.9%

Foreign residents 25.4%0%64.0%

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

Vote results for Tresa

BFS

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

52.3% YesNo 47.7%

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

55.5% YesNo 44.5%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

41.2% YesNo 58.8%

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

26.8% YesNo 73.2%

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

54.5% YesNo 45.6%

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

53.2% YesNo 46.8%

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

72.2% YesNo 27.8%

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

61.1% YesNo 38.9%

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

22.1% YesNo 77.9%

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

13.9% YesNo 86.1%

All federal votes →

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

Politics

National Council election 2023

SVP26.1% · strongest party

SVP26.1%

Mitte16.7%

FDP16.6%

GRÜNE10.6%

SP9.7%

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

Taxes 2026

ESTV

Municipal tax multiplier85%

Cantonal tax multiplier100%

85%TI range 56%100%

Tax rank 54 of 100 in canton Ticino

Tax burden

Single, 100'000 CHF gross income

14'007 CHF(14%)

Rank 47 of 100 in the canton · 833 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:14'007 CHF(~14%)

TresaCanton range TicinoSwitzerland median

Show data table

Gross income	Tresa	Ticino	Switzerland median
40'000	4.6%	3.9–4.9%	5.4%
50'000	6.8%	5.8–7.3%	7.8%
60'000	8.7%	7.5–9.4%	10.5%
70'000	10.3%	8.8–11.1%	11.9%
80'000	11.7%	10–12.6%	13.1%
90'000	12.8%	11–13.8%	14.1%
100'000	14%	12.1–15%	15.3%
110'000	15%	13–16%	16.3%
120'000	15.9%	13.8–17%	17.2%
130'000	16.8%	14.6–17.9%	18.1%
140'000	17.6%	15.4–18.8%	19%
150'000	18.4%	16.1–19.7%	19.7%
175'000	20.2%	17.7–21.5%	21.6%
200'000	21.7%	19.1–23.1%	23.2%
225'000	23%	20.3–24.4%	24.6%
250'000	24.1%	21.3–25.5%	25.8%
275'000	25.1%	22.2–26.6%	26.8%
300'000	26%	23–27.5%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–202010.9 °C

Precipitation 1991–20201'832 mm

10.9 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

705 m

Mean elevation

398 m

Relief

466 m

Mean slope

16.4°

Flat share

19.3%

South-facing

44.3%

Above 2000 m

0.0%

Relief 466 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

43.6 GWh/yr

Roofs + façades

59.9 GWh/yr

≈ households powered

9'700

44 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

25.13 Rp./kWh

Energy

8.95 Rp./kWh

Grid usage

10.33 Rp./kWh

Levies + grid surcharge

4.52 Rp./kWh

25.13 Rp./kWh9.6443.61

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

Network operator Aziende Industriali di Lugano (AIL) 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

4.82 %

Avg. rooms

3.7

Dwellings

2'698

Built before 194639.2%

Built since 20018.2%

4.82 %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 50 min · Car 27 min

AgglomerationPT 50 min · Car 27 min

Remoteness 47/100 in canton

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

Municipality

Wikidata · CC0

Websitetresa.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities3'147 #26 TI · #694 CH Families & children15.2% #75 TI · #1969 CH Age structure29.9% #24 TI · #100 CH Women share51.1% #42 TI · #359 CH Foreign residents25.4% #43 TI · #530 CH Population density281/km² #50 TI · #815 CH Tax burden14'007 #56 TI · #842 CH Taxes85% #54 TI Warmest municipalities10.9 °C #36 TI · #96 CH Sunniest municipalities55.4% #38 TI · #60 CH Rainiest municipalities1'832 mm #28 TI · #62 CH Voter turnout50.4% #81 TI · #1670 CH Against Switzerland30% #4 TI · #83 CH Aligned with Switzerland70% #70 TI · #1384 CH SVP strongholds26.1% #4 TI · #1511 CH SP strongholds9.7% #75 TI · #1549 CH Centre strongholds16.7% #53 TI · #720 CH FDP strongholds16.6% #78 TI · #690 CH GLP strongholds1.7% #31 TI · #1804 CH Green strongholds10.6% #26 TI · #484 CH Largest by area11.2 km² #42 TI · #885 CH Highest municipalities393 m #49 TI · #1924 CH Remotest municipalities50 min #47 TI · #1646 CH Best-connected municipalities50 min #55 TI · #478 CH Highest peaks705 m #69 TI · #1192 CH Highest-lying municipalities398 m #69 TI · #1984 CH Greatest vertical range466 m #68 TI · #728 CH Steepest municipalities16.4° #64 TI · #522 CH Solar potential44 GWh #19 TI · #416 CH Cheapest electricity25.13 Rp./kWh #44 TI · #346 CH Most expensive electricity25.13 Rp./kWh #88 TI · #1793 CH

Postal codes (6)

swisstopo

Localities

swisstopo · 6

Castelrotto6980 Madonna del Piano6995 Monteggio6998 Ponte Tresa6988 Purasca6989 Sessa6997

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Tresa?: Tresa has 6 postal codes: 6980, 6988, 6989, 6995, 6997, 6998.
What is the tax rate in Tresa?: The municipal tax multiplier of Tresa is 85% (2026); canton TI levies 100%.
How much tax do you pay in Tresa?: A single person without children pays about 14'007 CHF income tax in Tresa on 100'000 CHF gross income (federal, cantonal, municipal), rank 47 of 100 in canton TI. Source: ESTV (2026).
How many residents does Tresa have?: Tresa has 3'147 residents (2025).
How many foreign residents live in Tresa?: Tresa has 800 foreign residents, a share of 25.42% (2025).

Map

OpenStreetMap