Data highlights are ordered by what stands out in Trémilly.
Who lives here
A town of families: 24% of people in Trémilly are under 15, more than in both Haute-Marne’s towns and compared French towns
7.1% of residents are 15 to 24, below Haute-Marne’s towns (12%) and compared French towns (11%) alike. Those 65 and older account for nearly a quarter of residents. The median resident of Trémilly is 45 years old.
45median age
TrémillyHaute-Marne medianFrance median
Ages · share of residents
23%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma35%
CAP or BEP43%
Baccalauréat7%
Higher education12%
Women and men · all residents
48% women, 52% men
WomenFrance medianMen
About 110 men for every 100 women. Median share of women: Haute-Marne 52.0%, France 51.8%.
People: INSEE, census 2023. Miles: center to center.
About Trémilly
Commune in Haute-Marne, Grand Est
Trémilly is a commune of 82 people in the Communauté de communes du Bassin de Joinville en Champagne. 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
Population
82 (INSEE, census 2023)
Intercommunality
Communauté de communes du Bassin de Joinville en Champagne
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.