Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Who lives here
Degrees are less common in Troissy than in Marne’s towns or across compared French towns: 18% of adults
Children are 16% of the town. People 65 and over make up just over a fifth of the town, about level with compared French towns (22%) and below Marne’s towns (25%). Half of Troissy is older than 45.8, half younger.
45.8median age
TroissyMarne medianFrance median
Ages · share of residents
11%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma25%
CAP or BEP35%
Baccalauréat17%
Higher education18%
Women and men · all residents
49% women, 51% men
WomenFrance medianMen
About an even split. Median share of women: Marne 52.7%, France 51.8%.
INSEE, census 2023 · Marne median and France median: the median of compared communes
Work & commute
Fewer commuters in Troissy walk, cycle or take the bus or train than in Marne’s towns or compared French towns: 8.3%
Troissy has 250 jobs for 400 working residents, 0.6 per worker. Unemployment stood at 9.0%, below Marne’s towns (10.4%) and close to compared French towns (10.1%). No commute at all: 6.2% of working residents here at the census.
8%walk, cycle or take transit
How working residents got to work · census 2023
Driving85%
On foot6%
Public transport2%
Motorbike or scooter1%
Bicycle0%
250
jobs based in Troissy, 0.6 per working resident
9.0%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€25,750
median annual income per consumption unit, 2023 · median of compared French towns €25,970
People: INSEE, census 2023. Miles: center to center.
About Troissy
Commune in Marne, Grand Est
Troissy is a commune of 821 people in the Communauté de communes des Paysages de la 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
821 (INSEE, census 2023)
Intercommunality
Communauté de communes des Paysages de la 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.