Each edition grades its towns against each other only.
354 people call this town in Côtes-d'Armor, Brittany home.
At under 1,000 residents, Trézény is too small for the grades other French towns get.
The Culture ministry lists no building in Trézény as a monument historique. That’s true of 25% of compared French towns too.
The nearest classé monument is Chapelle de la Salle, in Lanmérin, 1.4 mi away.
17% of its homes were built before 1919, against 7.4% in the median compared French town.
Explore the history →Data highlights are ordered by what stands out in Trézény.
Those aged 15 to 24 account for nearly one in ten residents. 18% are under 15, higher than both Côtes-d'Armor’s towns (15%) and compared French towns (17%). Ages in Trézény split evenly at 44.7: half are older, half younger.
49% women, 51% men
About 105 men for every 100 women. Median share of women: Côtes-d'Armor 52.9%, France 51.8%.
| Trézény | Côtes-d'Armor median | France median | |
|---|---|---|---|
| Under 15 | 18% | 15% | 17% |
| 15–24 | 9.3% | 9.3% | 11% |
| 25–44 | 23% | 19% | 23% |
| 45–64 | 30% | 27% | 26% |
| 65+ | 19% | 29% | 22% |
| No diploma | 12% | 17% | 19% |
| CAP or BEP | 28% | 27% | 26% |
| Baccalauréat | 23% | 19% | 18% |
| Higher education | 31% | 31% | 30% |
INSEE, census 2023 · Côtes-d'Armor median and France median: the median of compared communes
At the census, 2.5% of commuters walked, cycled or took the bus or train. Per resident in work, Trézény counts 0.2 jobs (50 jobs, 150 workers). The median disposable income was €25,310 a year per consumption unit, near both Côtes-d'Armor’s towns (€26,370) and compared French towns (€25,970).
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
The market in Trézény: 10 sales of houses and apartments between July 2023 and June 2026.
Source: Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Heritage and other places to visit in and near Trézény. Best known first.
Nothing in Trézény is on the monuments historiques list. These are the nearest classé monuments, within 15.5 mi.
Wikidata has nobody with a French article born in Trézény yet.
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
| Town | People | Miles | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Trézény | 354 | — | — | — | — | — |
| Louannec | 3,019 | 3.2 | — | C | — | B |
| Lannion | 20,315 | 4.7 | B− | C | C+ | C |
| Penvénan | 2,584 | 5.3 | — | C | — | C |
| Ploubezre | 3,780 | 5.5 | B+ | A− | A+ | D |
| Perros-Guirec | 7,336 | 5.6 | A− | C− | A | C+ |
| La Roche-Jaudy | 2,629 | 5.8 | — | A | — | C+ |
People: INSEE, census 2023. Miles: center to center.
Commune in Côtes-d'Armor, Brittany
Trézény is a commune of 354 people in the Communauté d'agglomération Lannion-Trégor Communauté. 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
Sources: INSEE, census 2023 (population, employment, commuting) · INSEE, Filosofi 2023 (income per consumption unit, poverty) · Housing Ministry, Carte des loyers 2025 · SSMSI, recorded crime by commune, 2023–2025 · Ministry of Education (DEPP), brevet and bac results and value-added indicators, 2025 · INSEE, deaths by commune of residence 2016–2025 and censuses 2012–2023; Eurostat, death rates by age (© European Union); INSEE, BPE 2025 (care homes, emergency and maternity units, GPs, pharmacies); DREES, APL 2024; INSEE, life expectancy by département 2025 (provisional) · INSEE, BPE 2025 and Filosofi 200 m grid (walking distances) · IGN Admin Express (boundaries) · TownRatings grades: our own summary of the data, ranking French towns against each other only, updated October 30, 2026. Under the Licence Ouverte / Open Licence 2.0 (Etalab).
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.