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Municipal profile

Coat of arms of Porrentruy

Porrentruy

Canton: Jura (JU)

Civiora Index

Derived from official data

56/100

Above the median

National rank: 941 / 2’110 · Top 45% nationally

Taxes34/100
Premiums18/100
Electricity65/100
Housing96/100
PT service91/100

Confidence level: high · v1.1.0 · Civiora Index computed from official public data. Proprietary, non-official index. Understand the index

Median altitude472 m
Area14.8 km²
Postcode2900
FSO no.6800
DistrictDistrict de Porrentruy
Tax burden13.6 %Single, CHF 80’000 · 2026 more than SwitzerlandSwiss median: 13.1 %
Electricity price25.8 ct./kWhH4 · 2027 less than SwitzerlandSwiss median: 26.9 ct./kWh
Health insurance premiums704 CHF/monthAdult · 2027 more than SwitzerlandSwiss median: 599 CHF
Population6’597+2.5 % over 5 years (2020–2025) less than SwitzerlandSwiss median: +4.4 %
Vacancy rate4.00 %01.06.2026 more than SwitzerlandSwiss median: 0.83 %
Public transport stops42At least one rail stop

Taxes: tax burden by scenario

Tax burden ranking →Official

On a salary of CHF 80’000 a year, a single person in Porrentruy pays 13.6% of their gross income in tax, or about CHF 10’900 a year. That is CHF 410 more than in the median Swiss municipality.

PorrentruySwiss median
Single, CHF 80’000 approx. 10’900 CHF/year410 CHF/year more
13.6 %
13.1 %
Single, CHF 120’000 approx. 21’620 CHF/year920 CHF/year more
18.0 %
17.2 %
Married couple, CHF 120’000 approx. 15’130 CHF/year1’670 CHF/year more
12.6 %
11.2 %
Family, 2 children, CHF 150’000 approx. 18’320 CHF/year3’410 CHF/year more
12.2 %
9.9 %
Retiree, CHF 80’000 approx. 14’410 CHF/year1’420 CHF/year more
18.0 %
16.2 %

2026 tax burden in % of gross income (federal, cantonal and communal taxes; earned income, no wealth, no church tax). Calculation FTA, Swiss tax calculator.

Federal Tax Administration (FTA)Tax burden 2026: Swiss tax calculator (model cases)View source

Electricity

2027 tariff ranking →Official

A typical household (profile H4, 4’500 kWh a year) in Porrentruy pays 25.79 ct. per kWh, or about CHF 1’160 a year. That is CHF 50 a year less than in the median Swiss municipality.

25.79 ct./kWh

less than SwitzerlandSwiss median: 26.91 ct./kWh

Tariff breakdown

Energy (the electricity itself) 7.97Grid (delivery to the meter) 11.91Levies and surcharge (public charges and levies) 5.91ct./kWh

Federal Electricity Commission (ElCom)Electricity tariffs 2027, profile H4, standard productView source

Health insurance premiums

2027 premium ranking →Derived from official data

An adult in Porrentruy pays a median CHF 704 a month for basic health insurance, or about CHF 8’440 a year (CHF 300 deductible, accident cover included). That is CHF 104 a month more than the Swiss median (CHF 599).

704 CHF/month

more than SwitzerlandSwiss median: 599 CHF

Median monthly premium 2027, adult (26+), CHF 300 deductible, with accident, standard model: median of the 21 offers in premium region JU-0 (Civiora calculation on FOPH data).

Official FOPH average premiums 2027 (all deductibles and models)

Adult551.00 CHF/monthapprox. 6’610 CHF/year
19–25 years346.10 CHF/monthapprox. 4’150 CHF/year
Child134.80 CHF/monthapprox. 1’620 CHF/year

Federal Office of Public Health (FOPH)Compulsory health insurance premiums 2027 (priminfo)View source

Population and demographics

Official

Porrentruy has 6’597 inhabitants at the end of 2025, 2.5% more than five years ago (Swiss median: +4.4%).

Population change 2010–2025

6’597 inhabitants

Density: 447 inhab./km² · 2025

+0.3 % vs previous year (2024–2025)

Age structure (2025)

0–19 years 18.0 %20–64 years 55.5 %65 and over 26.5 %

About 1 resident in 6 is under 20, and 1 in 4 is 65 or over. About 1 resident in 4 (22.7%) holds a foreign nationality.

Federal Statistical Office (FSO)STATPOP: permanent resident population (STAT-TAB), status 31.12.2025View source

Housing

Vacancy rate ranking →Official

On 1 June 2026, 4.00% of homes in Porrentruy were vacant, about 1 in 25 (Swiss median: 0.83%). The higher this rate, the easier it is to find a home.

Vacancy rate 2016–2026

Vacant dwellings17101.06.2026
Housing stock (2024)4’255

Federal Statistical Office (FSO)Vacant dwellings count, 1 June 2026View source

Federal Statistical Office (FSO)Buildings and dwellings statistics (GWS): housing stock 2024View source

Public transport

Derived from official data

Porrentruy has 42 public transport stops. On an ordinary Tuesday, 1’707 departures are scheduled across all stops, 67 of them after 8 pm.

Public transport stops42At least one rail stop
Departures on a typical Tuesday1’707of which evening (from 8 pm): 67 (4 %)
Departures on a typical Sunday67339 % of the typical Tuesday
Public transport stops / 1’0006.37Swiss median: 3.33

Departures counted in the official 2026 timetable (GTFS) on typical days: Tuesday 08.09.2026 and Sunday 13.09.2026. Every call at every stop in the municipality counts as one departure. Civiora calculation.

opentransportdata.swiss (ATLAS, SBB on behalf of the Confederation)Public transport service points, status 04.08.2026View source

opentransportdata.swiss (official GTFS timetable)2026 timetable (GTFS, 01.08.2026 edition): typical daysView source

Territory and local economy

Official

Porrentruy’s territory is 24.6% built-up, 34.4% farmland and 40.0% forest (survey 2004/2009).

Built-up 24.6 %Farmland 34.4 %Forest 40.0 %Other (water, rock…) 1.0 %
Jobs6’913reference year 2018
Establishments821reference year 2018
Social assistance rate5.7 %reference year 2019

Federal Statistical Office (FSO)Regional portraits 2021: key figures of communesView source