Data highlights are ordered by what stands out in Trébry.
History
Trébry keeps more of its old housing than Côtes-d'Armor or compared French towns: 24% built before 1919
France has no History Grade yet: this card describes, it doesn’t grade.
Its oldest listed monument dates from the 14th century. The Culture ministry’s list holds 1 historic monument in Trébry; none is classé, France’s top protection.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Who lives here
A younger town: only 20% of people in Trébry are 65 or over, fewer than in Côtes-d'Armor’s towns and compared French towns
Under-15s account for 18% of the population. Nearly a quarter of adults hold a degree, below both Côtes-d'Armor’s towns (31%) and compared French towns (30%). Residents of Trébry have a median age of 42.6.
42.6median age
TrébryCôtes-d'Armor medianFrance median
Ages · share of residents
10%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma13%
CAP or BEP36%
Baccalauréat21%
Higher education24%
Women and men · all residents
48% women, 52% men
WomenFrance medianMen
About 107 men for every 100 women. Median share of women: Côtes-d'Armor 52.9%, France 51.8%.
INSEE, census 2023 · Côtes-d'Armor median and France median: the median of compared communes
Work & commute
Only 2.3% of commuters in Trébry go to work without a car, fewer than in Côtes-d'Armor’s towns and compared French towns
6.0% of the labour force are out of work. 100 jobs are based in Trébry, for 400 working residents (0.2 per worker). Also worth knowing: the median disposable income was €25,020 a year per consumption unit, lower than Côtes-d'Armor’s towns (€26,370) and near compared French towns (€25,970).
2%walk, cycle or take transit
How working residents got to work · census 2023
Driving93%
On foot1%
Bicycle1%
Motorbike or scooter1%
Public transport0%
100
jobs based in Trébry, 0.2 per working resident
6.0%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€25,020
median annual income per consumption unit, 2023 · median of compared French towns €25,970
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Housing
Renting in Trébry costs less than in Côtes-d'Armor’s towns or compared French towns, at an estimated advertised €9.35/m² a month
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
At the median, a home went for €1,591/m², lower than both Côtes-d'Armor’s towns (€2,254/m²) and compared French towns (€2,430/m²). From July 2023 to June 2026, 31 homes were sold in Trébry.
€1,591/m²median sale price
Median sale price per m² · Jul 2023 to Jun 2026
Trébry€1,591/m²
Median of towns€2,430/m²
Côtes-d'Armor median€2,254/m²
By type
Median per m²
Sales
Houses
€1,591/m²
31
€9.35/m²
estimated advertised apartment rent a month, charges included (€7.35 to €11.90/m² a month)
€7.92/m²
estimated advertised house rent a month, charges included
People: INSEE, census 2023. Miles: center to center.
About Trébry
Commune in Côtes-d'Armor, Brittany
Trébry is a commune of 844 people in the Communauté d'agglomération Lamballe Terre et Mer. TownRatings compares communes, France’s local unit: each has its own mayor and its own statistics. Its area takes in the town and the countryside around it.
Built from INSEE’s 2026 official geography (COG) and IGN Admin Express boundaries
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.